CC150032002 - ABB - Datasheet.Live

GE

Data Sheet

October 19, 2018

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to1.5Vdc output; 120A Output Current

Features

▪ Compliant to RoHS EU Directive 2002/95/EC (Z

versions)

▪ Compliant to IPC-9592 (September 2008), Category 2

▪ Compatible in a Pb-free or SnPb reflow environment (Z

versions)

▪ Compliant to REACH Directive (EC) No 1907/2006

▪ Wide Input voltage range (7Vdc-14 Vdc)

▪ Output voltage programmable from 0.6Vdc to 1.5Vdc

via external resistor or PMBusTM # commands

▪ Digital interface through the PMBus protocol

▪ Ability to parallel multiple modules (optional)

▪ Digital sequencing

▪ Fast digital loop control

▪ Power Good signal

▪ Fixed switching frequency with capability of external

synchronization

▪ Output overcurrent protection (non-latching)

▪ Output overvoltage protection

▪ Over temperature protection

▪ Remote On/Off

▪ Ability to sink and source current

▪ Cost efficient open frame design

▪ Small size: 53.8 x 31.7 x 13.3 mm [ 2.118” x 1.248” x

0.524”]

▪ Wide operating temperature range [-40°C to 85°C]

▪ UL* 60950-1 2nd Ed.+A1+A2 Recognized, CSA† C22.2

No. 60950-1-07+A1+A2 Certified, and VDE‡ (EN60950-1

2nd Ed.+A11+A1+A12+A2) Licensed

▪ ISO** 9001 and ISO 14001 certified manufacturing

facilities

Applications

▪ Networking equipment

▪ Telecommunications equipment

▪ Servers and storage applications

▪ Distributed power architectures

▪ Intermediate bus voltage applications

▪ Industrial equipment

Description

The 120A Digital TeraDLynxTM power modules are non-isolated dc-dc converters that can deliver up to 120A of output current.

These modules operate over a 7 to 14Vdc input range and provide a precisely regulated output voltage from 0.6 to 1.5Vdc. The

output voltage is programmable via an external resistor and/or PMBus control. Features include a digital interface using the

PMBus protocol, remote On/Off, adjustable output voltage, Power Good signal and overcurrent, overvoltage and overtemperature

protection. The PMBus interface supports a range of commands to both control and monitor the module. The module also

includes a real time compensation loop that allows optimizing the dynamic response of the converter to match the load with

reduced amount of output capacitance leading to savings on cost and PWB area.

* UL is a registered trademark of Underwriters Laboratories, Inc.

† CSA is a registered trademark of Canadian Standards Association.

‡ VDE is a trademark of Verband Deutscher Elektrotechniker e.V.

** ISO is a registered trademark of the International Organization of Standards

# The PMBus name and logo are registered trademarks of the System Management Interface Forum (SMIF)

RoHS Compliant

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 2

Absolute Maximum Ratings

Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are only absolute stress

ratings, functional operation of the device is not implied at these or any other conditions in excess of those given in the operations

sections of the technical requirements. Exposure to absolute maximum ratings for extended periods can adversely affect the

device reliability.

Parameter

Device

Symbol

Min

Max

Unit

Input Voltage - Continuous

All

VIN

-0.3

15

V

SEQ, ADDR0, ADDR1, RTUNE, RTRIM, SYNC, VS+, ON/OFF

All

-0.3

3.6

V

CLK, DATA, SMBALERT#

All

-0.3

3.6

V

Operating Ambient Temperature

All

TA

-40

85

°C

(see Thermal Considerations section)

Storage Temperature

All

Tstg

-55

125

°C

Electrical Specifications

Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions.

Parameter

Device

Symbol

Min

Typ

Max

Unit

Operating Input Voltage

All

VIN

7



14

Vdc

Maximum Input Current

All

IIN,max

29

Adc

(VIN=7V to 14V, IO=IO, max )

Input No Load Current

(VIN = 12Vdc, IO = 0, module enabled)

VO,set = 0.6 Vdc

IIN,No load

160

mA

VO,set = 1.5Vdc

IIN1No load

200

mA

Input Stand-by Current

(VIN = 12Vdc, module disabled)

All

IIN,stand-by

62

mA

Inrush Transient

All

I2t

1

A2s

Input Reflected Ripple Current, peak-to-peak

(5Hz to 20MHz, 1μH source impedance; VIN =0 to 14V, IO=

IOmax ; See Test Configurations)

All

5

mAp-p

Input Ripple Rejection (120Hz)

All

-54

dB

Output Voltage Set-point Tolerance over output voltage

range from 0.5 to 1.5V

0 to 85ºC

All

VO, set

-0.7

+0.7

% VO, set

-40 to 85ºC

All

VO, set

-1.0

+1.0

% VO, set

Voltage Regulation1

Line Regulation

(VIN=VIN, min to VIN, max)

2

mV

(12VIN±20%)

1

mV

Load (IO=IO, min to IO, max) Regulation

All

4

mV

1 Worst case Line and load regulation data, all temperatures, from design verification testing as per IPC9592.

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 3

Electrical Specifications (continued)

Parameter

Device

Symbol

Min

Typ

Max

Unit

Adjustment Range (selected by an external resistor)

All

VOUT

0.6

1.5

Vdc

PMBus Adjustable Output Voltage Range

All

VOUT

0.6

1.5

Vdc

PMBus Output Voltage Adjustment Step Size

All

612

µV

Remote Sense Range

All

0.3

Vdc

Output Ripple and Noise on nominal output

(VIN=VIN, nom and IO=IO, min to IO, max Co = 1500 μF

Peak-to-Peak (Full bandwidth)

30

mVpk-pk

RMS (Full bandwidth)

All

12

mVrms

External Capacitance3

Minimum output capacitance

All

CO,min

1500



μF

Maximum output capacitance

All

CO, max



40000

μF

Output Current (in either sink or source mode)

All

Io

0.005*

120

Adc

Output Current Limit Inception (Hiccup Mode)

(current limit does not operate in sink mode)

All

IO, lim

110

% Io,max

Output Short-Circuit Current

All

IO1, s/c , IO1, s/c

40

Arms

(VO≤250mV) (Hiccup Mode)

Efficiency

VO,set = 0.6Vdc

η

88.2

%

VO, set = 0.8Vdc

η

90.9

%

VIN= 12Vdc, TA=25°C

VO,set = 1.0Vdc

η

92.1

%

IO=IO, max , VO= VO,set

VO,set = 1.2Vdc

η

93.0

%

VO, set = 1.5Vdc

η

94.0

%

Switching Frequency

All

fsw

-

400

-

kHz

Frequency Synchronization

All

Synchronization Frequency Range

All

-15

+15

%

High-Level Input Voltage

All

VIH,SYNC

2.5

V

Low-Level Input Voltage

All

VIL,SYNC

1.1

V

Minimum Pulse Width, SYNC

All

tSYNC

256

ns

* Minimum load on module should be 5mA

2 this must be supported by an appropriate PMBus tool capable of writing at that resolution

3 External capacitors may require using the new Tunable LoopTM feature to ensure that the module is stable as well as getting the best

transient response. See the Tunable LoopTM section for details.

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 4

General Specifications

Parameter

Device

Min

Typ

Max

Unit

Calculated MTBF (IO=0.8IO, max, TA=40°C) Telecordia Issue 2 Method 1 Case 3

All

11,556,226

Hours

Weight - Module with SMT Pins

57 (2.01)

g (oz.)

Module with Through Hole Pins

59 (2.08)

g (oz.)

Feature Specifications

Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions. See

Feature Descriptions for additional information.

Parameter

Device

Symbol

Min

Typ

Max

Unit

On/Off Signal Interface

(VIN=VIN, min to VIN, max ; open collector or equivalent,

Signal referenced to GND)

Device Code with no suffix - Negative Logic (See Ordering Information)

(On/OFF pin is open collector/drain logic input with

external pull-up resistor; signal referenced to GND)

Logic High (Module OFF)

Input High Current

All

IIH

―

1

mA

Input High Voltage

All

VIH

2

―

3.6*

Vdc

Logic Low (Module ON)

Input low Current

All

IIL

―

10

μA

Input Low Voltage

All

VIL

-0.2

―

0.4

Vdc

Device Code with suffix “4” - Positive Logic (See Ordering Information)

(On/OFF pin is open collector/drain logic input with

external pull-up resistor; signal referenced to GND)

Logic High (Module ON)

Input High Current

All

IIH

―

10

µA

Input High Voltage

All

VIH

2

―

3.6*

Vdc

Logic Low (Module OFF)

Input low Current

All

IIL

―

10

μA

Input Low Voltage

All

VIL

-0.2

―

0.4

Vdc

Turn-On Delay and Rise Times

(VIN=VIN, nom, IO=IO, max , VO to within ±1% of steady state)

Case 1: On/Off input is enabled and then input power is

applied (delay from instant at which VIN = VIN, min until Vo =

10% of Vo, set)

All

Tdelay

―

30

―

ms

Case 2: Input power is applied for at least one second and

then the On/Off input is enabled (delay from instant at

which Von/Off is enabled until Vo = 10% of Vo, set)

All

Tdelay

―

15

―

ms

Output voltage Rise time (time for Vo to rise from

10% of Vo, set to 90% of Vo, set)

All

Trise

―

10

―

msec

Output voltage overshoot (TA = 25oC

VIN= VIN, min to VIN, max,IO = IO, min to IO, max)

With or without maximum external capacitance

Output

3.0

% VO, set

Over Temperature Protection

(See Thermal Considerations section)

All

Tref

135

°C

PMBus Over Temperature Warning Threshold

All

TWARN

125

°C

*Use external resistive voltage divider to step down higher logic voltages

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 5

Feature Specifications (cont.)

Parameter

Device

Symbol

Min

Typ

Max

Units

Tracking Accuracy (Power-Up: 0.5V/ms)

All

VSEQ –Vo

100

mV

(Power-Down: 0.5V/ms)

All

VSEQ –Vo

100

mV

(VIN, min to VIN, max; IO, min to IO, max VSEQ < Vo)

Input Undervoltage Lockout

Turn-on Threshold

All

7

Vdc

Turn-off Threshold

All

6.75

Vdc

Hysteresis

All

0.25

Vdc

PMBus Adjustable Input Under Voltage Lockout Thresholds

All

7

14

Vdc

Resolution of Adjustable Input Under Voltage Threshold

All

5.8

mV

PGOOD (Power Good) for output voltages set with Rtrim**

Signal Interface Open Drain, Vsupply  5VDC

Overvoltage threshold for PGOOD ON

All

112.5

%VO, set

Undervoltage threshold for PGOOD OFF

All

87.5

%VO, set

Pulldown resistance of PGOOD pin

All

2



Sink current capability into PGOOD pin

All

50

mA

**If output voltage is set using VOUT COMMAND(21h) then PGOOD ON and PGOOD OFF thresholds should be manually

set through PMBus commands 5E and 5F

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 6

Digital Interface Specifications

Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions. See

Feature Descriptions for additional information.

Parameter

Conditions

Symbol

Min

Typ

Max

Unit

PMBus Signal Interface Characteristics

Input High Voltage (CLK, DATA)

VIH

2.1

V

Input Low Voltage (CLK, DATA)

VIL

1.1

V

Input high level current (CLK, DATA)

IIH

0.5

μA

Input low level current (CLK, DATA)

IIL

4

mA

Output Low Voltage (CLK, DATA, SMBALERT#)

IOUT=4mA

VOL

0.25

V

Output high level open drain leakage current (DATA,

SMBALERT#)

VOUT=3.6V

IOH

5

55

nA

Pin capacitance

CO

10

pF

PMBus Operating frequency range

Slave Mode

FPMB

10

1000

kHz

Data hold time

tHD:DAT

0

ns

Data setup time

tSU:DAT

100

ns

Measurement System Characteristics

Read delay time

tDLY

110

μs

Output current measurement range

IRNG

0

135

A

Output current measurement resolution

IRES

250

mA

Output current measurement accuracy

-40°C to +85°C

IACC

±5

% of

Io,max

VOUT measurement range

VOUT

0

2.0

V

VOUT measurement accuracy

VOUT(gain)

±1

% of

Vo,max

VOUT measurement resolution

VOUT(res)

0.61

mV

VIN measurement range

VIN

0

16

V

VIN measurement accuracy

VIN(gain)

±2

%

VIN measurement resolution

VIN(res)

5.8

mV

Temperature measurement range

TMEAS

-25

150

°C

Temperature measurement accuracy

TMEAS(gain)

-8

8

°C

Temperature measurement resolution

TMEAS(res)

0.08

°C

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 7

Characteristic Curves

The following figures provide typical characteristics for the 120A Digital TeraDLynxTM at 0.6Vo and 25oC.

EFFICIENCY,  (%)

OUTPUT CURRENT, Io (A)

OUTPUT CURRENT, IO (A)

AMBIENT TEMPERATURE, TA OC

Figure 1. Converter Efficiency versus Output Current.

Figure 2. Derating Output Current versus Ambient

Temperature and Airflow.

OUTPUT VOLTAGE

VO (V) (5mV/div)

OUTPUT CURRENT, OUTPUT VOLTAGE

IO (A) (50A/div) VO (V) (20mV/div)

TIME, t (50s/div)

TIME, t (200s /div)

Figure 3. Typical output ripple and noise (CO=12x47µF

ceramic + 10x470µF polymer, VIN = 12V, Io = Io,max,).

Figure 4. Transient Response to Dynamic Load Change from

25% to 75% at 12Vin, Co= 12 x 47µF + 10 x 1000µF, RTUNE =

3.01kΩ.

OUTPUT VOLTAGE ON/OFFVOLTAGE

VO (V) (200mV/div) VON/OFF (V) (5V/div)

OUTPUT VOLTAGE INPUT VOLTAGE

VO (V) (200mV/div) VIN (V) (10V/div)

TIME, t (10ms/div)

Figure 5. Typical Start-up Using On/Off Voltage (Io = Io,max).

Figure 6. Typical Start-up Using Input Voltage (VIN = 12V, Io =

Io,max).

70

75

80

85

90

95

020 40 60 80 100 120

Vin=7V Vin=14V

Vin=12V

40

60

80

100

120

140

25 35 45 55 65 75 85

0.5m/s

(100LFM)

NC

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 8

Characteristic Curves

The following figures provide typical characteristics for the 120A TeraDLynxTM at 0.8Vo and 25oC

EFFICIENCY,  (%)

OUTPUT CURRENT, Io (A)

OUTPUT CURRENT, IO (A)

AMBIENT TEMPERATURE, TA OC

Figure 7. Converter Efficiency versus Output Current.

Figure 8. Derating Output Current versus Ambient

Temperature and Airflow.

OUTPUT VOLTAGE

VO (V) (5mV/div)

OUTPUT CURRENT OUTPUT VOLTAGE

IO (A) (50A/div) VO (V) (20mV/div)

TIME, t (50s/div)

TIME, t (200s /div)

Figure 9. Typical output ripple and noise (CO=12x47µF

ceramic + 10x470µF polymer, VIN = 12V, Io = Io,max,)

Figure 10. Transient Response to Dynamic Load Change from

25% to 75% at 12Vin, Co= 12 x 47µF + 10 x 1000µF, RTUNE =

3.01kΩ.

OUTPUT VOLTAGE ON/OFF VOLTAGE

VO (V) (200mV/div) VON/OFF (V) (5V/div)

OUTPUT VOLTAGE INPUT VOLTAGE

VO (V) (200mV/div) VIN (V) (10V/div)

TIME, t (10ms/div)

Figure 11. Typical Start-up Using On/Off Voltage (Io = Io,max).

Figure 12. Typical Start-up Using Input Voltage (VIN = 12V, Io =

Io,max).

75

80

85

90

95

020 40 60 80 100 120

Vin=7V Vin=14V

Vin=12V

40

60

80

100

120

140

25 35 45 55 65 75 85

0.5m/s

(100LFM)

NC

1m/s

(200LFM)

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 9

Characteristic Curves

The following figures provide typical characteristics for the 120A Digital TeraDLynxTM at 1.0Vo and 25oC.

EFFICIENCY,  (%)

OUTPUT CURRENT, Io (A)

OUTPUT CURRENT, IO (A)

AMBIENT TEMPERATURE, TA OC

Figure 13. Converter Efficiency versus Output Current.

Figure 14. Derating Output Current versus Ambient

Temperature and Airflow.

OUTPUT VOLTAGE

VO (V) (5mV/div)

OUTPUT CURRENT, OUTPUT VOLTAGE

IO (A) (50A/div) VO (V) (20mV/div)

TIME, t (50s/div)

TIME, t (200s /div)

Figure 15. Typical output ripple and noise (CO=12x47µF

ceramic + 10x470µF polymer, VIN = 12V, Io = Io,max,)

Figure 16. Transient Response to Dynamic Load Change from

25% to 75% at 12Vin, Co= 12 x 47µF + 10 x 1000µF, RTUNE =

3.01kΩ.

OUTPUT VOLTAGE ON/OFF VOLTAGE

VO (V) (300mV/div) VON/OFF (V) (5V/div)

OUTPUT VOLTAGE INPUT VOLTAGE

VO (V) (300mV/div) VIN (V) (10V/div)

TIME, t (10ms/div)

Figure 17. Typical Start-up Using On/Off Voltage (Io = Io,max).

Figure 18. Typical Start-up Using Input Voltage (VIN = 12V, Io =

Io,max).

75

80

85

90

95

020 40 60 80 100 120

Vin=7V Vin=14V

Vin=12V

40

60

80

100

120

140

25 35 45 55 65 75 85

0.5m/s

(100LFM)

NC

1m/s

(200LFM)

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 10

Characteristic Curves

The following figures provide typical characteristics for the 120A Digital TeraDLynxTM at 1.2Vo and 25oC.

EFFICIENCY,  (%)

OUTPUT CURRENT, Io (A)

OUTPUT CURRENT, IO (A)

AMBIENT TEMPERATURE, TA OC

Figure 19. Converter Efficiency versus Output Current.

Figure 20. Derating Output Current versus Ambient

Temperature and Airflow.

OUTPUT VOLTAGE

VO (V) (5mV/div)

OUTPUT CURRENT, OUTPUT VOLTAGE

IO (A) (50A/div) VO (V) (20mV/div)

TIME, t (50s/div)

TIME, t (200s /div)

Figure 21. Typical output ripple and noise (CO=12x47µF

ceramic + 10x470µF polymer, VIN = 12V, Io = Io,max,)

Figure 22. Transient Response to Dynamic Load Change from

25% to 75% at 12Vin, Co= 12 x 47µF + 10 x 1000µF, RTUNE =

3.01kΩ.

OUTPUT VOLTAGE ON/OFF VOLTAGE

VO (V) (300mV/div) VON/OFF (V) (5V/div)

OUTPUT VOLTAGE INPUT VOLTAGE

VO (V) (300mV/div) VIN (V) (10V/div)

TIME, t (2ms/div)

TIME, t (10ms/div)

Figure 23. Typical Start-up Using On/Off Voltage (Io = Io,max).

Figure 24. Typical Start-up Using Input Voltage (VIN = 12V, Io =

Io,max).

80

85

90

95

100

020 40 60 80 100 120

Vin=7V Vin=14V

Vin=12V

40

60

80

100

120

140

25 35 45 55 65 75 85

0.5m/s

(100LFM)

NC

1m/s

(200LFM)

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 11

Characteristic Curves

The following figures provide typical characteristics for the 120A Digital TeraDLynxTM at 1.5Vo and 25oC.

EFFICIENCY,  (%)

OUTPUT CURRENT, Io (A)

OUTPUT CURRENT, IO (A)

AMBIENT TEMPERATURE, TA OC

Figure 25. Converter Efficiency versus Output Current.

Figure 26. Derating Output Current versus Ambient

Temperature and Airflow.

OUTPUT VOLTAGE

VO (V) (5mV/div)

OUTPUT CURRENT, OUTPUT VOLTAGE

IO (A) (50A/div) VO (V) (20mV/div)

TIME, t (50s/div)

TIME, t (200s /div)

Figure 27. Typical output ripple and noise (CO=12x47µF

ceramic + 10x470µF polymer, VIN = 12V, Io = Io,max,)

Figure 28. Transient Response to Dynamic Load Change from

25% to 75% at 12Vin, Co= 12 x 47µF + 10 x 1000µF, RTUNE =

3.01kΩ.

OUTPUT VOLTAGE ON/OFF VOLTAGE

VO (V) (500mV/div) VON/OFF (V) (5V/div)

OUTPUT VOLTAGE INPUT VOLTAGE

VO (V) (500mV/div) VIN (V) (5V/div)

TIME, t (2ms/div)

Figure 29. Typical Start-up Using On/Off Voltage (Io = Io,max).

Figure 30. Typical Start-up Using Input Voltage (VIN = 12V, Io =

Io,max).

80

85

90

95

100

020 40 60 80 100 120

Vin=7V

Vin=14V

Vin=12V

40

60

80

100

120

140

25 35 45 55 65 75 85

0.5m/s

(100LFM)

NC

1m/s

(200LFM)

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 12

Design Considerations

Input Filtering

The 120A TeraDLynxTM module should be connected to a

low ac-impedance source. A highly inductive source can

affect the stability of the module. An input capacitance

must be placed directly adjacent to the input pins of the

module, to minimize input ripple voltage and ensure

module stability.

To minimize input voltage ripple, ceramic capacitors are

recommended at the input of the module. Figure 31

shows the input ripple voltage for various output voltages

at 120A of load current with 4x470 + 12x22 + 12x4.7 µF

and 2x470 + 6x22 + 12x4.7 µF input capacitor

combinations.

Figure 31. Input ripple voltage for various output

voltages with two input capacitor combinations at

120A load. Input voltage is 12V.

Output Filtering

These modules are designed for low output ripple voltage

and will meet the maximum output ripple specification with

minimum of 12 x 22 µF ceramic capacitors at the output of

the module. However, additional output filtering may be

required by the system designer for a number of reasons.

First, there may be a need to further reduce the output

ripple and noise of the module. Second, the dynamic

response characteristics may need to be customized to a

particular load step change.

To reduce the output ripple and improve the dynamic

response to a step load change, additional capacitance at

the output can be used. Low ESR polymer and ceramic

capacitors are recommended to improve the dynamic

response of the module. Figure 32 provides output ripple

information for capacitance of ~3574uF (47µF (1210

ceramic) x 12 + 10µF (0805 ceramic) + 0.1µF (0402) x4 +

1000µF (polymer) x 3) at various Vo and a full load current of

120A. For stable operation of the module, limit the

capacitance to less than the maximum output capacitance

as specified in the electrical specification table. Optimal

performance of the module can be achieved by using the

Tunable LoopTM feature described later in this data sheet.

Figure 32. Peak to peak output ripple voltage for various

output voltages with external capacitors at the output

(120A load). Input voltage is 12V.

Safety Considerations

For safety agency approval the power module must be

installed in compliance with the spacing and separation

requirements of the end-use safety agency standards, i.e.,

ANSI/UL 60950-1 2nd Revised October 14, 2014, CSA C22.2

No. 60950-1-07, Second Ed. + A2:2014 (MOD), DIN EN 60950-

1:2006 + A11:2009 + A1:2010 +A12:2011, + A2:2013

(VDE0805 Teil 1: 2014-08)(pending).

For the converter output to be considered meeting the

requirements of safety extra-low voltage (SELV), the input

must meet SELV requirements. The power module has

extra-low voltage (ELV) outputs when all inputs are ELV.

The input to these units is to be provided with a slow-blow

fuse. When the input voltage is ≤ 8V, the recommendation is

to use two 25A Littelfuse 456 series or equivalent fuses in

parallel. For input voltages > 8V, a single 40A Littelfuse series

456 or equivalent fuse is recommended.

5

10

15

20

25

0.5 0.7 0.9 1.1 1.3 1.5

Ripple (mVp-p)

Output Voltage(Volts)

4x470 + 12x22 + 12x4.7 uF

2x470 + 6x22 + 12x4.7 uF

0

2

4

6

8

10

0.5 0.7 0.9 1.1 1.3 1.5

Ripple (mVp-p)

Output Voltage(Volts)

10x470 + 12x47 +12x10 uF

4x470 + 12x47 +12x10 uF

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 13

Analog Feature Descriptions

Remote On/Off

The TeraDLynx 120A module can be turned ON and OFF

either by using the ON/OFF pin (Analog interface) or through

the PMBus interface (Digital). The module can be configured

in a number of ways through the PMBus interface to react to

the ON/OFF input:

• Module ON/OFF can controlled only through the

analog interface (digital interface ON/OFF

commands are ignored)

• Module ON/OFF can controlled only through the

PMBus interface (analog interface is ignored)

• Module ON/OFF can be controlled by either the

analog or digital interface

The default state of the module (as shipped from the factory)

is to be controlled by the analog interface only. If the digital

interface is to be enabled, or the module is to be controlled

only through the digital interface, this change must be made

through the PMBus. These changes can be made and

written to non-volatile memory on the module so that it is

remembered for subsequent use.

Analog On/Off

The 120A Digital TeraDLynxTM power modules feature an

On/Off pin for remote On/Off operation. With the Negative

Logic On/Off option, (see Ordering Information), the module

turns OFF during logic High and ON during logic Low. The

On/Off signal should be always referenced to ground.

Leaving the On/Off pin disconnected will turn the module

ON when input voltage is present. With the positive logic

on/off option, the module turns ON during logic high and

OFF during logic low.

Digital On/Off

Please see the Digital Feature Descriptions section.

Monotonic Start-up and Shutdown

The module has monotonic start-up and shutdown behavior

on the output for any combination of rated input voltage,

output current and operating temperature range.

Startup into Pre-biased Output

The module will start into a pre biased output on output as

long as the pre bias voltage is 0.5V less than the set output

voltage.

Analog Output Voltage Programming

The output voltage of the module is programmable to any

voltage from 0.6 to 1.5Vdc, as shown in Table 1, by

connecting a resistor between the Trim and SIG_GND pins of

the module as shown in Fig 33.

Without an external resistor between the Trim pin and

SIG_GND pins, the output of the module will be 0.1 Vdc. The

value of the trim resistor, RTrim for a desired output voltage,

should be selected as shown in Table 1.

The trim resistor is only determined during module

initialization and hence cannot be used for dynamic output

voltage adjustment

RTRIM

SIG_GND

RTRIM

Figure 33. Circuit configuration for programming output

voltage using an external resistor.

Table 1

VO, set

(V)

Rtrim

(Ω)

VO, set

(V)

Rtrim

(Ω)

VO, set

(V)

Rtrim

(Ω)

0.600

1090

1.000

2870

1.400

18900

0.620

1140

1.020

3050

1.420

23200

0.640

1180

1.040

3240

1.440

29800

0.660

1230

1.060

3480

1.460

40200

0.680

1290

1.080

3700

1.480

60400

0.700

1330

1.100

3920

1.500

115000

0.720

1380

1.120

4220

0.740

1470

1.140

4530

0.760

1560

1.160

4990

0.780

1640

1.180

5360

0.800

1740

1.200

5900

0.820

1820

1.220

6420

0.840

1930

1.240

6980

0.860

2030

1.260

7680

0.880

2130

1.280

8450

0.900

2230

1.300

9420

0.920

2340

1.320

10400

0.940

2460

1.340

11700

0.960

2610

1.360

13500

0.980

2710

1.380

15800

Digital Output Voltage Adjustment

Please see the Digital Feature Descriptions section.

Remote Sense

The power module has a differential Remote Sense feature

to minimize the effects of distribution losses by regulating

the voltage between the sense pins (VS+ and VS-) for the

output. The voltage drop between the sense pins and the

VOUT and GND pins of the module should not exceed 0.3V.

Digital Output Voltage Margining

Please see the Digital Feature Descriptions section.

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 14

Output Voltage Sequencing

The power module includes a sequencing feature, EZ-

SEQUENCE that enables users to implement various types of

output voltage sequencing in their applications. This is

accomplished via an additional sequencing pin. When not

using the sequencing feature, leave it unconnected.

Figure 34. Circuit showing connection of the sequencing

signal to the SEQ pin.

When the sequencing voltage is applied to the SEQ pin, the

output voltage tracks this voltage until the output reaches

the set-point voltage. The final value of the sequencing

voltage must be set higher than the set-point voltage of the

module. The output voltage follows the sequencing voltage

on a one-to-one basis. By connecting multiple modules

together, multiple modules can track their output voltages

to the voltage applied on the SEQ pin.

The module’s output can track the SEQ pin signal with

slopes of up to 0.5V/msec during power-up or power-down.

To initiate simultaneous shutdown of the modules, the SEQ

pin voltage is lowered in a controlled manner. The output

voltage of the modules tracks the voltages below their set-

point voltages on a one-to-one basis. A valid input voltage

must be maintained until the tracking and output voltages

reach ground potential.

Digital Sequencing

The module can support digital sequencing by allowing

control of the turn-on delay and rise times as well as turn-

off and fall times,

Digital Output Voltage Margining

Please see the Digital Feature Descriptions section.

Overcurrent Protection (OCP)

To provide protection in a fault (output overload) condition,

the unit is equipped with internal current-limiting circuitry on

output and can endure current limiting continuously. The

module overcurrent response is non-latching shutdown with

automatic recovery. OCP response time is programmable

through manufacturer specific commands. The unit

operates normally once the output current is brought back

into its specified range.

Digital Adjustable Overcurrent Warning

Please see the Digital Feature Descriptions section.

Overtemperature Protection

To provide protection in a fault condition, the unit is

equipped with a thermal shutdown circuit. The unit will shut

down if the overtemperature threshold of 135 °C (typ) is

exceeded at the thermal reference point Tref. Once the unit

goes into thermal shutdown it will then wait to cool before

attempting to restart.

Digital Adjustable Overcurrent Warning/Shutdown

Please see the Digital Feature Descriptions section.

Digital Temperature Status via PMBus

Please see the Digital Feature Descriptions section.

Digitally Adjustable Output Over and Under Voltage

Protection

Please see the Digital Feature Descriptions section.

Input Undervoltage Lockout

At input voltages below the input undervoltage lockout limit,

module operation for the associated output is disabled. The

module will begin to operate at an input voltage above the

undervoltage lockout turn-on threshold.

Digitally Adjustable Input Undervoltage Lockout

Please see the Digital Feature Descriptions section.

Digitally Adjustable Power Good Thresholds

Please see the Digital Feature Descriptions section.

Synchronization

The module switching frequency is capable of being

synchronized to an external signal frequency within a

specified range. Synchronization is done by using the

external signal applied to the SYNC pin of the module as

shown in Fig. 35, with the converter being synchronized by

the rising edge of the external signal. The Electrical

Specifications table specifies the requirements of the

external SYNC signal. If the SYNC pin is not used, the module

should free run at the default switching frequency.

MODULE

SYNC

SIG_GND

+

─

Figure 35. External source connections to synchronize

switching frequency of the module.

Measuring Output Current, Output Voltage and

Input Voltage

Please see the Digital Feature Descriptions section.

Digital Compensator

The TJT120 module uses digital control to regulate the

output voltage. As with all POL modules, external capacitors

Module

SEQ

SIG_GND

SEQ

V

SIG_GND

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 15

are usually added to the output of the module for two

reasons: to reduce output ripple and noise and to reduce

output voltage deviations from the steady-state value in the

presence of dynamic load current changes. Adding external

capacitance however affects the voltage control loop of the

module, typically causing the loop to slow down with

sluggish response. Larger values of external capacitance

could also cause the module to become unstable.

The TJT120 comes with default compensation values

programmed into the non-volatile memory of the module.

These digital compensation values can be adjusted

externally to optimize transient response and also ensure

stability for a wide range of external capacitance, as well as

with different types of output capacitance. This can be done

by two different methods.

1. By allowing the user to select among several pre-tuned

compensation choices to select the one most suited to

the transient response needs of the load. This selection is

made via a resistor RTune connected between the

RTUNE and SIG_GND pins as shown in Fig. 35. Table 2

shows various pre-tuned compensation combinations

recommended for various external capacitor

combinations.

2. Using PMBus to change compensation parameters in the

module.

Note that during initial startup of the module, compensation

values that are stored in non-volatile memory are used. If a

resistor RTune is connected to the module, then the

compensation values are changed to ones that correspond

to the value of RTUNE. If RTUNE is open however, no change

in compensation values is made. Finally, if the user chooses

to do so, they can overwrite the compensation values via

PMBus commands.

Recommended values of RTUNE for different output capacitor

combinations are given in Table 2. If no RTUNE is used, the

default compensation values are used.

The TJT120 pre-tuned compensation can be divided into

three different banks (COMP1, COMP2, COMP3) that are

available to the user to compensate the control loop for

various values and combinations of output capacitance and

to obtain reliable and stable performance under different

conditions. Each bank consists of 20 different sets of

compensation coefficients pre-calculated for different

values of output capacitance. The three banks are set up as

follows:

• COMP1: Recommended for the case where all of the

output capacitance is composed of only ceramic

capacitors. The range of external output capacitance is

from 1470 µF to a maximum value of 17640 µF)

• COMP2: For the most commonly used mix of ceramic

and polymer type capacitors that have higher output

capacitance in a smaller size. The range of output

capacitance is from 2564 µF to a maximum of 30564 uF.

This is the combination of output capacitance and

compensation that can achieve the best transient

response at lowest cost and smallest size. For example,

with the maximum output capacitance of 12 x 47µF

ceramics + 25 x 1000 µF polymer capacitors, and

selecting RTUNE = 5.36kΩ, transient deviation can be as

low as 25 mV, for a 50% load step (0 to 85A).

• COMP3: Suitable for a mix of ceramic and higher ESR

polymers or electrolytic capacitors, with output

capacitance ranging from a minimum of 2204 µF to a

maximum of 30084 µF.

Selecting RTUNE according to Table 2 will ensure stable

operation of the module with sufficient stability margin as

well as yield optimal transient response.

In applications with tight output voltage limits in the presence

of dynamic current loading, additional output capacitance

will be required. Table 3 lists recommended values of RTUNE in

order to meet 2% output voltage deviation limits for some

common output voltages in the presence of an 60A to 120A

step change (50% of full load), with an input voltage of 12V.

Please contact your GE technical representative to obtain

more details of this feature as well as for guidelines on how

to select the right value of external RTUNE to tune the module

for best transient performance and stable operation for other

output capacitance values. Simulation models are also

available via the GE Power Module Wizard to predict stability

characteristics and transient response.

RTUNE

SIG_GND

RTUNE

Figure 36. Circuit diagram showing connection of RTUNE to

tune the control loop of the module.

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 16

Table 2. Recommended RTUNE Compensation.

Output

Capacitance Type

Number of Output

Capacitors**

Total Output

Capacitance (µF)**

RTUNE

resistor (Ω)

RTUNE

Index

KD

KI

KP

AP

Default Compensation Values

OPEN

375

2

37

150

Ceramic

10 x 47µF + 10 x 100µF

1398

29.1

0

375

2

37

150

Ceramic

12 x 47µF + 12 x 100µF

1644

88.7

1

441

3

44

150

Ceramic

14 x 47µF + 14 x 100µF

1890

150

2

506

3

51

150

Ceramic

16 x 47µF + 16 x 100µF

2136

213

3

572

3

57

150

Ceramic

19 x 47µF + 19 x 100µF

2505

280

4

671

3

67

150

Ceramic

22 x 47µF + 22 x 100µF

2874

348

5

770

4

77

150

Ceramic

25 x 47µF + 25 x 100µF

3243

417

6

869

4

87

150

Ceramic

28 x 47µF + 28 x 100µF

3612

493

7

968

4

97

150

Ceramic

31 x 47µF + 31 x 100µF

3981

569

8

1067

4

107

150

Ceramic

34 x 47µF + 34 x 100µF

4350

642

9

1166

4

117

150

Ceramic

38 x 47µF + 38 x 100µF

4842

723

10

1297

5

130

150

Ceramic

42 x 47µF + 42 x 100µF

5334

806

11

1429

5

143

150

Ceramic

48 x 47µF + 48 x 100µF

6072

898

12

1627

5

163

150

Ceramic

55 x 47µF + 55 x 100µF

6933

938

13

1858

5

186

150

Ceramic

63 x 47µF + 63 x 100µF

7917

1090

14

2121

6

212

150

Ceramic

72 x 47µF + 72 x 100µF

9024

1180

15

2418

6

242

150

Ceramic

82 x 47µF + 82 x 100µF

10254

1290

16

2748

7

275

150

Ceramic

93 x 47µF + 93 x 100µF

11607

1400

17

3110

7

311

150

Ceramic

105 x 47µF + 105 x 100µF

13083

1520

18

3506

7

351

150

Ceramic

120 x 47µF + 120 x 100µF

14928

1640

19

4000

8

400

150

Ceramic + Polymer

12 x 47µF + 2 x 1000µF

2672

1760

20

501

3

300

220

Ceramic + Polymer

12 x 47µF + 3 x 1000µF

3672

1890

21

688

3

413

220

Ceramic + Polymer

12 x 47µF + 4 x 1000µF

4672

2030

22

876

3

525

220

Ceramic + Polymer

12 x 47µF + 5 x 1000µF

5672

2150

23

1063

4

638

220

Ceramic + Polymer

12 x 47µF + 6 x 1000µF

6672

2320

24

1250

4

750

220

Ceramic + Polymer

12 x 47µF + 7 x 1000µF

7672

2460

25

1438

4

860

220

Ceramic + Polymer

12 x 47µF + 8 x 1000µF

8672

2640

26

1625

5

975

220

Ceramic + Polymer

12 x 47µF + 9 x 1000µF

9672

2840

27

1813

5

1088

220

Ceramic + Polymer

12 x 47µF + 10 x 1000µF

10672

3010

28

2000

5

1200

220

Ceramic + Polymer

12 x 47µF + 11 x 1000µF

11672

3200

29

2187

5

1312

220

Ceramic + Polymer

12 x 47µF + 12 x 1000µF

12672

3400

30

2375

5

1425

220

Ceramic + Polymer

12 x 47µF + 13 x 1000µF

13672

3650

31

2562

6

1537

220

Ceramic + Polymer

12 x 47µF + 15 x 1000µF

15672

3880

32

2937

6

1762

220

Ceramic + Polymer

12 x 47µF + 17 x 1000µF

17672

4120

33

3312

6

1987

220

Ceramic + Polymer

12 x 47µF + 19 x 1000µF

19672

4420

34

3687

7

2212

220

Ceramic + Polymer

12 x 47µF + 21 x 1000µF

21672

4700

35

4061

7

2437

220

Ceramic + Polymer

12 x 47µF + 23 x 1000µF

23672

5050

36

4436

7

2662

220

Ceramic + Polymer

12 x 47µF + 25 x 1000µF

25672

5360

37

4811

8

2887

220

Ceramic + Polymer

12 x 47µF + 27 x 1000µF

27672

5760

38

5186

8

3112

220

Ceramic + Polymer

12 x 47µF + 30 x 1000µF

30672

6120

39

5748

8

3449

220

** Total output capacitance includes the capacitance inside the module is 4 x 47µF (3mΩ ESR). Effective capacitance of 47uF

cap taken as 42uF, 100uF cap taken as 81uF. Polymers taken at rated values of 100uF and 820uF

Note: The capacitors used in the digital compensation Loop tables are 47μF/3 mΩ ESR ceramic, 100uF/3.2mΩ ceramic,

1000 μF/6mΩ ESR polymer capacitor and 820uF/19mΩ ESR Polymer capacitor.

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 17

Table 2 (continued). RTUNE compensation table

Output Capacitance

Type

Number of Output

Capacitors**

Total Output

Capacitance (µF)**

RTUNE resistor

(Ω)

RTUNE

Index

KD

KI

KP

AP

Ceramic + Electrolytic

12 x 47µF + 2 x 820µF

2312

6570

40

176

2

176

220

Ceramic + Electrolytic

12 x 47µF + 3 x 820µF

3312

7060

41

238

3

238

220

Ceramic + Electrolytic

12 x 47µF + 4 x 820µF

3952

7590

42

301

3

301

220

Ceramic + Electrolytic

12 x 47µF + 5 x 820µF

4772

8160

43

363

3

363

220

Ceramic + Electrolytic

12 x 47µF + 6 x 820µF

5592

8870

44

426

4

426

220

Ceramic + Electrolytic

12 x 47µF + 7 x 820µF

6412

9530

45

488

4

488

220

Ceramic + Electrolytic

12 x 47µF + 8 x 820µF

7312

10400

46

550

4

550

220

Ceramic + Electrolytic

12 x 47µF + 9 x 820µF

8052

11300

47

613

4

613

220

Ceramic + Electrolytic

12 x 47µF + 10 x 820µF

8872

12400

48

675

5

675

220

Ceramic + Electrolytic

12 x 47µF + 11 x 820µF

9692

13700

49

738

5

738

220

Ceramic + Electrolytic

12 x 47µF + 12 x 820µF

10512

15000

50

800

5

800

220

Ceramic + Electrolytic

12 x 47µF + 14 x 820µF

12152

16700

51

925

5

925

220

Ceramic + Electrolytic

12 x 47µF + 16 x 820µF

13792

18700

52

1050

6

1050

220

Ceramic + Electrolytic

12 x 47µF + 18 x 820µF

15432

21000

53

1174

6

1174

220

Ceramic + Electrolytic

12 x 47µF + 20 x 820µF

17072

24000

54

1299

6

1299

220

Ceramic + Electrolytic

12 x 47µF + 23 x 820µF

19532

28000

55

1486

7

1486

220

Ceramic + Electrolytic

12 x 47µF + 26 x 820µF

21992

33000

56

1674

7

1674

220

Ceramic + Electrolytic

12 x 47µF + 29 x 820µF

24452

40200

57

1861

8

1861

220

Ceramic + Electrolytic

12 x 47µF + 32 x 820µF

26912

50500

58

2048

8

2048

220

Ceramic + Electrolytic

12 x 47µF + 36 x 820µF

30192

68000

59

2298

8

2298

220

** Total output capacitance includes the capacitance inside the module is 4 x 47µF (3mΩ ESR). Effective capacitance of 47uF

cap taken as 42uF, 100uF cap taken as 81uF. Polymers taken at rated values of 100uF and 820uF

Note: The capacitors used in the digital compensation Loop tables are 47μF/3 mΩ ESR ceramic, 100uF/3.2mΩ ceramic,

1000 μF/6mΩ ESR polymer capacitor and 820uF/19mΩ ESR Electrolytic capacitor.

Power Module Wizard

GE offers a free web based easy to use tool that helps users simulate the Tunable Loop performance of the TJT120. Go to

http://ge.transim.com/pmd/Home and sign up for a free account and use the module selector tool. The tool also offers

downloadable Simplis/Simetrix models that can be used to assess transient performance, module stability, etc.

Bin ‘a’ and Bin ‘b’ settings using the models available through Power Module Wizard

The TJT120 module has a built-in non-linear compensation adjustment to speed up its transient response to dynamic loading

conditions. When the module senses a load transition in progress, it automatically adjusts the KD, KI, KP settings to higher

values and then reverts to the values set before the transient conditions. The adjustment of the PID coefficients is as follows:

Steady State

Transient Condition

Bin ‘a’ – User set values based on RTUNE or programmed

Bin ‘b’ – Controller adjusted values for duration of transient

KD

KI

KP

KD

KI

KP

A

B

X

1.5 x A

2 x B

2 x C

For determining the voltage response to a current load transient, it is more accurate to use the Bin ‘b’ settings corresponding

to the selected KD, KI, KP values. For Loop Stability Simulations, the selected PID values corresponding to Bin ‘a’ should be

used.

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 18

Digital Feature Descriptions

PMBus Interface Capability

The 120A TeraDLynx power modules have a PMBus

interface that supports both communication and control.

The PMBus Power Management Protocol Specification can

be obtained from www.pmbus.org. The modules support a

subset of version 1.1 of the specification (see Table 4 for a

list of the specific commands supported). Most module

parameters can be programmed using PMBus and stored as

defaults for later use.

Communication over the module PMBus interface supports

the Packet Error Checking (PEC) scheme. The PMBus master

must generate the correct PEC byte for all transactions, and

check the PEC byte returned by the module.

The module also supports the SMBALERT# response

protocol whereby the module can alert the bus master if it

wants to talk. For more information on the SMBus alert

response protocol, see the System Management Bus

(SMBus) specification.

The module has non-volatile memory that is used to store

configuration settings. Not all settings programmed into the

device are automatically saved into this non-volatile

memory, only those specifically identified as capable of

being stored can be saved (see Table 4 for which command

parameters can be saved to non-volatile storage).

PMBus Data Format

For commands that set thresholds, voltages or report such

quantities, the module supports the “Linear” data format

among the three data formats supported by PMBus. The

Linear Data Format is a two-byte value with an 11-bit, two’s

complement mantissa and a 5-bit, two’s complement

exponent. The format of the two data bytes is shown below:

Data Byte High

7

6

5

4

3

2

1

0

7

6

5

4

3

2

1

0

Data Byte Low

Exponent

MSB

Mantissa

MSB

The value is of the number is then given by

Value = Mantissa x 2 Exponent

PMBus Addressing

The power module is addressed through the PMBus using a

device address. The module supports 128 possible

addresses (0 to 127 in decimal) which can be set using

resistors connected from the ADDR0 and ADDR1 pins to

SIG_GND. Note that some of these addresses (0, 1, 2, 3, 4, 5,

6, 7, 8, 9, 10, 11 12, 40, 44, 45, 55 in decimal) are reserved

according to the SMBus specification and may not be

useable. The address is set in the form of two octal (0 to 7)

digits, with each pin setting one digit. The ADDR1 pin sets

the high order digit and ADDR0 sets the low order digit. The

resistor values suggested for each digit are shown in Table 3

(E96 series resistors are recommended). Note that if either

address resistor value is outside the range specified in Table

4, the module will respond to address 127.

The user must know which I2C addresses are reserved in a

system for special functions and set the address of the

module to avoid interfering with other system operations.

Both 100kHz and 400kHz bus speeds are supported by the

module. Connection for the PMBus interface should follow

the High Power DC specifications given in section 3.1.3 in the

SMBus specification V2.0 for the 400kHz bus speed or the

Low Power DC specifications in section 3.1.2. The complete

SMBus specification is available from the SMBus web site,

smbus.org.

ADDR0

SIG_GND

RADDR0

RADDR1

ADDR1

Figure 37. Circuit showing connection of resistors used to

set the PMBus address of the module.

Table 3

PMBus Address Table

ADDR1 Resistor Values

ADDR0 Resistor

Values

4.99K

15.4k

27.4K

41.2K

54.9K

71.5K

90.9K

110K

137K

162K

191K

4.99K

1

13

25

37

49

61

73

85

97

109

121

15.4K

2

14

26

38

50

62

74

86

98

110

122

27.4K

3

15

27

39

51

63

75

87

99

111

123

41.2K

4

16

28

40

52

64

76

88

100

112

124

54.9K

5

17

29

41

53

65

77

89

101

113

125

71.5K

6

18

30

42

54

66

78

90

102

114

126

90.9K

7

19

31

43

55

67

79

91

103

115

127

110K

8

20

32

44

56

68

80

92

104

116

64

137K

9

21

33

45

57

69

81

93

105

117

64

162K

10

22

34

46

58

70

82

94

106

118

64

191K

11

23

35

47

59

71

83

95

107

119

64

232K

12

24

36

48

60

72

84

96

108

120

64

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 19

Operation (01h)

This is a paged register. The OPERATION command can be

used to turn the module on or off in conjunction with the

ON/OFF pin input. It is also used to margin up or margin

down the output voltage

PMBus Enabled On/Off

The module can also be turned on and off via the PMBus

interface. The OPERATION command is used to actually turn

the module on and off via the PMBus, while the

ON_OFF_CONFIG command configures the combination of

analog ON/OFF pin input and PMBus commands needed to

turn the module on and off. Bit [7] in the OPERATION

command data byte enables the module, with the following

functions:

0 : Output is disabled

1 : Output is enabled

This module uses the lower five bits of the ON_OFF_CONFIG

data byte to set various ON/OFF options as follows:

Bit Position

4

3

2

1

0

Access

r/w

r

Function

PU

CMD

CPR

X

CPA

Default Value

1

0

1

x

1

PU: Sets the default to either operate any time input power

is present or for the ON/OFF to be controlled by the analog

ON/OFF input and the PMBus OPERATION command. This bit

is used together with the CP, CMD and ON bits to determine

startup.

Bit Value

Action

0

Module powers up any time power is

present regardless of state of the analog

ON/OFF pin

1

Module does not power up until

commanded by the analog ON/OFF pin and

the OPERATION command as programmed

in bits [2:0] of the ON_OFF_CONFIG register.

CMD: The CMD bit controls how the device responds to the

OPERATION command.

Bit Value

Action

0

Module ignores the ON bit in the

OPERATION command

1

Module responds to the ON bit in the

OPERATION command

CPR: Sets the response of the analog ON/OFF pin. This bit is

used together with the CMD, PU and ON bits to determine

startup.

Bit Value

Action

0

Module ignores the analog ON/OFF pin, i.e.

ON/OFF is only controlled through the

PMBUS via the OPERATION command

1

Module requires the analog ON/OFF pin to

be asserted to start the unit

CPA: Sets the action of the analog ON/OFF pin when turning

the controller OFF. This bit is internally read and cannot be

modified by the user

PMBus Adjustable Soft Start Rise Time

The soft start rise time of module output is adjustable in the

module via PMBus. The TON_RISE command can set the rise

time in ms, and allows choosing soft start times between 1

and 1000ms. Rise time below 10msec may cause the

module it overshoot its voltage setpoint during startup

Output Voltage Adjustment Using the PMBus

Two PMBus commands are available to change the output

voltage setting. The first, VOUT_COMMAND can set the

output voltage directly. The second, VOUT_TRIM is used to

apply an offset to the commanded output voltage.

Since the output voltage can be set using an external RTrim

resistor as well, an additional PMBus command

MFR_VOUT_SET_MODE is used to tell the module whether

the VOUT_COMMAND is used to directly set output voltage

or whether RTrim is to be used. If MFR_VOUT_SET_MODE is

set to where bit position 7 is set at 1, then VOUT_COMMAND

is ignored and output voltage is set solely by RTrim. If bit 7 of

MFR_VOUT_SET_MODE is set to 0, then output voltage is set

using VOUT_COMMAND, and the value of RTrim is only used

at startup to set the output voltage.

The second output voltage adjustment command

VOUT_TRIM works in either case to provide a fixed offset to

the output voltage. This allows PMBus adjustment of the

output voltage irrespective of how MFR_VOUT_SET_MODE is

set and allows digital adjustment of the output voltage

setting even when RTrim is used.

For all digital commands used to set or adjust the output

voltage via PMBus, the resolution is 98µV.

Output Voltage Margining Using the PMBus

The output voltage of the module can be margined via

PMBus between 0.6 and 1.5V. The margining voltage can be

adjusted in 98µV steps.

PMBus Adjustable Overcurrent Warning

The module can provide an overcurrent warning via the

PMBus. The threshold for the overcurrent warning can be

set using the parameter IOUT_OC_WARN_LIMIT. This

command uses the “Linear” data format with a two byte

data word where the upper five bits [7:3] of the high byte

represent the exponent and the remaining three bits of the

high byte [2:0] and the eight bits in the low byte represent

the mantissa. The value of the IOUT_OC_WARN_LIMIT can

be stored to non-volatile memory using the

STORE_DEFAULT_ALL command.

Temperature Status via PMBus

The module provides information related to temperature of

the module through standardized PMBus commands.

Commands READ_TEMPERATURE1, READ_TEMPERATURE_2

are mapped to module temperature and internal

temperature of the PWM controller, respectively. The

temperature readings are returned in °C and in two bytes.

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 20

PMBus Adjustable Output Over, Under Voltage

Protection

The module has output over and under voltage protection

capability. The PMBus command VOUT_OV_FAULT_LIMIT is

used to set the output over voltage threshold. The default

value is configured to be 112.5% of the commanded output.

The command VOUT_UV_FAULT_LIMIT sets the threshold

that detects an output under voltage fault. The default

values are 87.5% of the commanded output voltage. Both

commands use two data bytes formatted in the Linear

format.

PMBus Adjustable Input Undervoltage Lockout

The module allows adjustment of the input under voltage

lockout and hysteresis. The command VIN_ON allows setting

the input voltage turn on threshold, while the VIN_OFF

command sets the input voltage turn off threshold. For the

VIN_ON command possible values are 7 to 14V and for the

VIN_OFF command, possible values are 6.75V to 14V. Both

VIN_ON and VIN_OFF commands use the “Linear” format

with two data bytes.

Measurement of Output Current, Output Voltage

and Input Voltage

The module can measure key module parameters such as

output current, output voltage and input voltage and

provide this information through the PMBus interface.

Measuring Output Current Using the PMBus

The module measures output current by using a signal

derived from the switching FET currents. The current gain

factor is accessed using the IOUT_CAL_GAIN command, and

consists of two bytes in the Linear data format. During

manufacture, each module is calibrated by measuring and

storing the current gain factor into non-volatile storage.

The current measurement accuracy is also improved by

each module being calibrated during manufacture with the

offset in the current reading. The IOUT_CAL_OFFSET

command is used to store and read the current offset. The

READ_IOUT command provides module average output

current information. This command only supports positive

output current, i.e. current sourced from the module. If the

converter is sinking current a reading of 0 is provided. The

READ_IOUT command returns two bytes of data in the

Linear data format.

Measuring Output Voltage Using the PMBus

The module provides output voltage information using the

READ_VOUT command. The command returns two bytes of

data in Linear format.

Measuring Input Voltage Using the PMBus

The module provides input voltage information using the

READ_VIN command. The command returns two bytes of

data in the Linear format.

Reading the Status of the Module using the PMBus

The module supports a number of status information

commands implemented in PMBus. A 1 in the bit position

indicates the fault that is flagged.

STATUS_BYTE: Returns one byte of information with a

summary of the most critical device faults.

Bit

Position

Flag

Default

Value

7

X

0

6

OFF

0

5

VOUT Overvoltage

0

4

IOUT Overcurrent

0

3

VIN Undervoltage

0

2

Temperature

0

1

CML (Comm. Memory Fault)

0

None of the above

0

STATUS_WORD: Returns two bytes of information with a

summary of the module’s fault/warning conditions.

Low Byte

Bit

Position

Flag

Default

Value

7

X

0

6

OFF

0

5

VOUT Overvoltage

0

4

IOUT Overcurrent

0

3

VIN Undervoltage

0

2

Temperature

0

1

CML (Comm. Memory Fault)

0

None of the above

0

High Byte

Bit

Position

Flag

Default

Value

7

VOUT fault or warning

0

6

IOUT fault or warning

0

5

X

0

4

X

0

3

POWER_GOOD# (is negated)

0

2

X

0

1

X

0

X

0

STATUS_VOUT: Returns one byte of information relating to

the status of the module’s output voltage related faults.

Bit

Position

Flag

Default

Value

7

VOUT OV Fault

0

6

VOUT_OV_WARNING

0

5

VOUT_UV_WARNING

0

4

VOUT UV Fault

0

3

X

0

2

X

0

1

X

0

X

0

STATUS_IOUT: Returns one byte of information relating to

the status of the module’s output voltage related faults.

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 21

Bit

Position

Flag

Default

Value

7

IOUT OC Fault

0

6

X

0

5

IOUT OC Warning

0

4

X

0

3

X

0

2

X

0

1

X

0

X

0

STATUS_TEMPERATURE: Returns one byte of information

relating to the status of the module’s temperature related

faults.

Bit

Position

Flag

Default

Value

7

OT Fault

0

6

OT Warning

0

5

X

0

4

X

0

3

X

0

2

X

0

1

X

0

X

0

STATUS_CML: Returns one byte of information relating to the

status of the module’s communication related faults.

Bit

Position

Flag

Default

Value

7

Invalid/Unsupported Command

0

6

Invalid/Unsupported Data

0

5

Packet Error Check Failed

0

4

Memory Fault Detected

0

3

X

0

2

X

0

1

Other Communication Fault

0

X

0

MFR_SPECIFIC_00: Returns information related to the type of

module and revision number. Bits [7:2] in the Low Byte

indicate the module type (001101 corresponds to the TJT120

series of module), while bits [7:3] in the high byte indicate

the revision number of the module.

Low Byte

Bit

Position

Flag

Default

Value

7:2

Module Name

001101

1:0

Reserved

10

High Byte

Bit

Position

Flag

Default

Value

7:3

Module Revision Number

None

2:0

Reserved

000

User-Programmable Compensation Coefficients

The output voltage control compensation coefficients can

be changed by the user via PMBus commands. On startup,

the module uses stored values of the four compensation

parameters KD, KI, KP and ALPHA. If the module detects a

valid value of RTUNE connected to the module, the values of

KD, KI, KP and ALPHA are then changed to the appropriate

values. Beyond this, the user can use the PMBus commands

listed below to overwrite the values of KD, KP, KI and ALPHA.

MFR_SPECIFIC_KP: Allows the user to program the value of

the KP compensation coefficient. The allowed range is -

32768 to 32767. The entire 16 bits are used to enter this

range of integer values in two’s complement binary format.

For stable operation, the maximum allowed value is 10922

MFR_SPECIFIC_KI: Allows the user to program the value of

the KI compensation coefficient. The allowed range is -

32768 to 32767. The entire 16 bits are used to enter this

range of integer values in two’s complement binary format.

For stable operation, the maximum allowed value is 10922

MFR_SPECIFIC_KD: Allows the user to program the value of

the KD compensation coefficient. The allowed range is -

32768 to 32767. The entire 16 bits are used to enter this

range of integer values in two’s complement binary format.

For stable operation, the maximum allowed value is 10922

MFR_SPECIFIC_ALPHA: Allows the user to program the value

of the ALPHA compensation coefficient. The allowed range is

-256 to 256. The entire 16 bits are used to enter this range of

integer values in two’s complement binary format. For

stable operation, use positive values only as suggested with

the maximum allowed value being 256.

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 22

Summary of Supported PMBus Commands

Please refer to the PMBus 1.1 specification for more details of these commands. For the registers where a range is specified, any

value outside the range is ignored and the module continues to use the previous value.

Table 4

Hex

Code

Command

Brief Description

Non-Volatile

Memory Storage

01

OPERATION

Turn Module on or off. Also used to margin the output voltage

Format

Unsigned Binary

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

r

r/w

r

Function

On

X

Margin

X

Default Value

1

0

X

YES

02

ON_OFF_CONFIG

Configures the ON/OFF functionality as a combination of analog ON/OFF pin and

PMBus commands

Format

Unsigned Binary

Bit Position

7

6

5

4

3

2

1

0

Access

r

r/w

r

Function

X

pu

cmd

cpr

X

cpa

Default Value

0

1

0

1

x

1

YES

03

CLEAR_FAULTS

Clear any fault bits that may have been set, also releases the SMBALERT# signal if the

device has been asserting it.

10

WRITE_PROTECT

Used to control writing to the module via PMBus. Copies the current register setting in

the module whose command code matches the value in the data byte into non-volatile

memory (EEPROM) on the module

Format

Unsigned Binary

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

x

Function

bit7

bit6

bit5

X

Default Value

0

X

Bit5: 0 – Enables all writes as permitted in bit6 or bit7

1 – Disables all writes except the WRITE_PROTECT, OPERATION

and ON_OFF_CONFIG (bit 6 and bit7 must be 0)

Bit 6: 0 – Enables all writes as permitted in bit5 or bit7

1 – Disables all writes except for the WRITE_PROTECT and

OPERATION commands (bit5 and bit7 must be 0)

Bit7: 0 – Enables all writes as permitted in bit5 or bit6

1 – Disables all writes except for the WRITE_PROTECT command

(bit5 and bit6 must be 0)

YES

11

STORE_DEFAULT_ALL

Copies all current register settings in the module into non-volatile memory (EEPROM)

on the module. Takes about 50ms for the command to execute.

12

RESTORE_DEFAULT_ALL

Restores all current register settings in the module from values in the module non-

volatile memory (EEPROM)

20

VOUT_MODE

The module has MODE set to Linear and Exponent set to -14. These values cannot be

changed

Bit Position

7

6

5

4

3

2

1

0

Access

r

Function

Mode

2’s complement Exponent

Default Value

0

1

0

1

0

21

VOUT_COMMAND

Set desired output voltage. Only 16-bit unsigned mantissa – implied exponent of -14

per VOUT_MODE command. Valid range is 0.6 to 1.5V.

Format

Unsigned Mantissa

Bit Position

15

14

13

12

11

10

9

8

Access

r/w

Function

Mantissa

Default Value

Variable

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Mantissa

Default Value

Variable

YES

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 23

Table 4 (continued)

Hex

Code

Command

Brief Description

Non-Volatile

Memory Storage

22

VOUT_TRIM

Apply a fixed offset voltage to the set output voltage from either the RTrim resistor or the

VOUT_COMMAND. Implied exponent of -14 per VOUT_MODE command.

Allowed range is ±300mV.

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r/w

Function

Mantissa

Default Value

0

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Mantissa

Default Value

0

YES

23

VOUT_CAL_OFFSET

Applies an offset to the commanded output voltage to calibrate out errors in setting module

output voltage (between -100mV and +100mV) and when output voltage is set via the PMBus

command VOUT_COMMAND (21). Implied exponent of -14 per VOUT_MODE command.

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r/w

r

Function

Mantissa

Default Value

Variable based on factory calibration

Bit Position

7

6

5

4

3

2

1

0

Access

r

r/w

Function

Mantissa

Default Value

Variable based on factory calibration

YES

25

VOUT_MARGIN_HIGH

Sets the target voltage for margining the output high. Implied exponent of -14 per

VOUT_MODE command. Allowed range is 0.6 to 1.5V

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r/w

Function

Mantissa

Default Value

Variable

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Mantissa

Default Value

Variable

YES

26

VOUT_MARGIN_LOW

Sets the target voltage for margining the output low. Implied exponent of -14 per

VOUT_MODE command. Allowed range is 0.6 to 1.5V.

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r/w

Function

Mantissa

Default Value

Variable

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Mantissa

Default Value

Variable

YES

35

VIN_ON

Sets the value of input voltage at which the module turns on. Exponent is fixed at -6. Allowed

range is 7 to 14V.

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r

r/w

Function

Exponent

Mantissa

Default Value

1

0

1

0

1

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Mantissa

Default Value

1

0

YES

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 24

Table 4 (continued)

Hex

Code

Command

Brief Description

Non-Volatile

Memory Storage

36

VIN_OFF

Sets the value of input voltage at which the module turns off. Exponent is fixed at -6.

Allowed range is 6.75 to 14V.

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r

r/w

Function

Exponent

Mantissa

Default Value

1

0

1

0

1

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Mantissa

Default Value

1

0

1

0

YES

38

IOUT_CAL_GAIN

Applies a gain correction to the READ_IOUT command results to calibrate out gain errors in

module measurements of the output current. The number in this register is divided by 8192

to generate the correction factor. Allowed range is 6553 to 9830.

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r

r/w

Function

Integer

Default Value

Variable based on factory calibration

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Integer

Default Value

Variable based on factory calibration

YES

39

IOUT_CAL_OFFSET

Returns the value of the offset correction term used to correct the measured output

current. The exponent is fixed at -2. The allowed range is -50 to +50A.

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r

r/w

r

Function

Exponent

Mantissa

Default Value

1

0

Variable

Bit Position

7

6

5

4

3

2

1

0

Access

r

r/w

Function

Mantissa

Default Value

Variable based on factory calibration

YES

40

VOUT_OV_FAULT_LIMIT

Sets the voltage level for an output overvoltage fault. Implied exponent of -14 per

VOUT_MODE command. Allowed range is 0.6 to 2V. Triggers SMBALERT.

Format

Linear, two’s compliment binary

Bit Position

15

14

13

12

11

10

9

8

Access

r/w

Function

Mantissa

Default Value

Variable

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Mantissa

Default Value

Variable

YES

41

VOUT_OV_FAULT_RESPONSE

Instructs the module on what action to take in response to an output overvoltage fault

Format

Unsigned Binary

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

r

Function

RSP

[1]

RSP

[0]

RS[2]

RS[1]

RS[0]

X

Default Value

1

0

1

0

YES

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 25

Table 4 (continued)

Hex

Code

Command

Brief Description

Non-Volatile

Memory Storage

42

VOUT_OV_WARN_LIMIT

Sets the value of output voltage at which the module generates warning for over-voltage.

Exponent is fixed at -14. Allowed range is 0.6 to 2V. Triggers SMBALERT.

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r

r/w

Function

Exponent

Mantissa

Default Value

Variable

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Mantissa

Default Value

Variable

YES

43

VOUT_UV_WARN_LIMIT

Sets the value of output voltage at which the module generates warning for under-voltage.

Exponent is fixed at -14. Allowed range is 0.05 to 1.5V. Triggers SMBALERT.

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r

r/w

Function

Exponent

Mantissa

Default Value

Variable

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Mantissa

Default Value

Variable

YES

44

VOUT_UV_FAULT_LIMIT

Sets the voltage level for an output undervoltage fault. Exponent is fixed at -14. Allowed

range is 0.05 to 2V. Triggers SMBALERT.

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r

r/w

Function

Exponent

Mantissa

Default Value

Variable

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Mantissa

Default Value

Variable

YES

45

VOUT_UV_FAULT_RESPONSE

Instructs the module on what action to take in response to an output undervoltage fault

Format

Unsigned Binary

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

r

Function

RSP

[1]

RSP

[0]

RS[2]

RS[1]

RS[0]

X

Default Value

1

0

1

0

YES

46

IOUT_OC_FAULT_LIMIT

Sets the current level for an output overcurrent fault (can only be lowered below the

maximum of 140A). The exponent is fixed at -2. Triggers SMBALERT.

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r

r/w

Function

Exponent

Mantissa

Default Value

1

0

1

0

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Mantissa

Default Value

0

1

0

YES

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 26

Table 4 (continued)

Hex

Code

Command

Brief Description

Non-Volatile

Memory Storage

4A

IOUT_OC_WARN_LIMIT

Sets the value of current level at which the module generates warning for overcurrent.

Allowed range is 0 to 140A. The exponent is fixed at -2. Triggers SMBALERT.

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r

r/w

Function

Exponent

Mantissa

Default Value

1

0

1

0

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Mantissa

Default Value

1

0

1

0

1

0

YES

4F

OT_FAULT_LIMIT

Sets the temperature level above which over-temperature fault occurs. Allowed range is 35

to 140°C. The exponent is fixed at 0. Triggers SMBALERT.

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r

r/w

r

Function

Exponent

Mantissa

Default Value

0

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Mantissa

Default Value

1

0

1

0

1

0

YES

50

OT_FAULT_RESPONSE

Configures the over temperature fault response

Format

Unsigned Binary

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

r

Function

RSP

[1]

RSP

[0]

RS[2]

RS[1]

RS[0]

X

Default Value

1

0

1

0

YES

51

OT_WARN_LIMIT

Sets the over temperature warning level in °C. Allowed range is 30 to 130°C. The exponent

is fixed at 0. Triggers SMBALERT.

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r

Function

Exponent

Mantissa

Default Value

0

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Mantissa

Default Value

0

1

0

1

YES

55

VIN_OV_FAULT_LIMIT

Sets the input overvoltage fault limit. Exponent is fixed at -6. Allowed range is 6.75 to 15V.

Triggers SMBALERT

Format

Linear, two’s complement binary.

Bit Position

15

14

13

12tr

11

10

9

8

Access

r

r/w

Function

Exponent

Mantissa

Default Value

1

0

1

0

1

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Mantissa

Default Value

1

0

1

0

YES

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 27

Table 4 (continued)

Hex

Code

Command

Brief Description

Non-Volatile

Memory Storage

56

VIN_OV_FAULT_RESPONSE

Configures the VIN overvoltage fault response.

Format

Unsigned Binary

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

r

Function

RSP

[1]

RSP

[0]

RS[2]

RS[1]

RS[0]

X

Default Value

1

0

YES

57

VIN_OV_WARN_LIMIT

Sets the value of the input voltage that causes input voltage low warning. Exponent fixed

at -6. Allowed range is 6.75 to 15V. Triggers SMBALERT

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r

r/w

Function

Exponent

Mantissa

Default Value

1

0

1

0

1

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Mantissa

Default Value

1

0

YES

58

VIN_UV_WARN_LIMIT

Sets the value of the input voltage that causes input voltage low warning. Exponent fixed

at -6. Allowed range is 5 to 14V. Triggers SMBALERT

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r

r/w

Function

Exponent

Mantissa

Default Value

1

0

1

0

1

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Mantissa

Default Value

1

0

1

0

YES

59

VIN_UV_FAULT_LIMIT

Sets the value of the input voltage that causes an input undervoltage fault. Exponent fixed

at -6. Allowed range is 5 to 14V. Triggers SMBALERT

Format

Linear, two’s complement binary

Bit Position

7

6

5

4

3

2

1

0

Access

r

r/w

Function

Exponent

Mantissa

Default Value

1

0

1

0

1

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Mantissa

Default Value

1

0

1

0

YES

5A

VIN_UV_FAULT_RESPONSE

Instructs the module on what action to take in response to an input undervoltage fault.

Format

Unsigned Binary

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

r

Function

RSP

[1]

RSP

[0]

RS[2]

RS[1]

RS[0]

X

Default Value

1

0

1

0

YES

5E

POWER_GOOD_ON

Sets the output voltage level at which the PGOOD pin is asserted high. Implied exponent of

-14 per VOUT_MODE command. Allowed range is 0.26 to 1.65V.

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r

r/w

Function

Mantissa

Default Value

Variable

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Mantissa

Default Value

Variable

YES

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 28

Table 4 (continued)

Hex

Code

Command

Brief Description

Non-Volatile

Memory Storage

5F

POWER_GOOD_OFF

Sets the output voltage level at which the PGOOD pin is de-asserted low. Implied exponent of

-14 per VOUT_MODE command. Allowed range is 0.06 to 1.63V.

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r

r/w

Function

Mantissa

Default Value

Variable

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Mantissa

Default Value

Variable

YES

60

TON_DELAY

Sets the delay time in ms of the output voltage during startup. Allowed range is 0 to 1000ms.

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r

r/w

Function

Exponent

Mantissa

Default Value

0

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Mantissa

Default Value

0

1

0

YES

61

TON_RISE

Sets the rise time in ms of the output voltage during startup. The exponent is fixed at 0.

Allowed range is 1 to 1000ms.

Format

Linear, two’s complement binary

Bit Position

7

6

5

4

3

2

1

0

Access

r

R

r

r/w

Function

Exponent

Mantissa

Default Value

0

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Mantissa

Default Value

0

1

0

1

YES

64

TOFF_DELAY

Sets the delay time in ms of the output voltage during turn-off. The exponent is fixed at 0.

Allowed range is 0 to 1000ms.

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r

R

r

r/w

Function

Exponent

Mantissa

Default Value

0

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Mantissa

Default Value

0

1

0

YES

65

TOFF_FALL

Sets the fall time in ms of the output voltage during turn-off. Exponent is fixed at 0. Allowed

range is 0 to 1000ms.

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r

R

r

r/w

Function

Exponent

Mantissa

Default Value

0

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Mantissa

Default Value

0

1

0

1

YES

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 29

Table 4 (Continued)

Hex

Code

Command

Brief Description

Non-Volatile

Memory Storage

78

STATUS_BYTE

Returns one byte of information with a summary of the most critical module faults

Format

Unsigned Binary

Bit Position

7

6

5

4

3

2

1

0

Access

r

R

r

Flag

X

OFF

VOUT_OV

IOUT_OC

VIN_UV

TEMP

CML

OTHER

Default Value

Variable

79

STATUS_WORD

Returns two bytes of information with a summary of the module’s fault/warning conditions

Format

Unsigned binary

Bit Position

15

14

13

12

11

10

9

8

Access

r

R

r

Flag

VOUT

IOUT_OC

INPUT

X

PGOOD

X

Default Value

Variable

Bit Position

7

6

5

4

3

2

1

0

Access

r

R

r

Flag

X

OFF

VOUT_OV

IOUT_OC

VIN_UV

TEMP

CML

OTHER

Default Value

Variable

7A

STATUS_VOUT

Returns one byte of information with the status of the module’s output voltage related faults

Format

Unsigned Binary

Bit Position

7

6

5

4

3

2

1

0

Access

r

Flag

VOUT_OV

VOUT_OV_

Warn

VOUT_UV_

Warn

VOUT_UV

X

Default Value

Variable

7B

STATUS_IOUT

Returns one byte of information with the status of the module’s output current related faults

Format

Unsigned Binary

Bit Position

7

6

5

4

3

2

1

0

Access

r

Flag

IOUT_OC

X

IOUT_OC_WARN

X

Default Value

Variable

7C

STATUS_INPUT

Returns one byte of information with the status of the module’s input related faults

Format

Unsigned Binary

Bit Position

7

6

5

4

3

2

1

0

Access

r

Flag

VIN_OV_FAULT

VIN_OV_W

ARNING

VIN_UV_

WARNING

VIN_UV

_FAULT

X

Default Value

Variable

7D

STATUS_TEMPERATURE

Returns one byte of information with the status of the module’s temperature related faults

Format

Unsigned Binary

Bit Position

7

6

5

4

3

2

1

0

Access

r

Flag

OT_FAULT

OT_WARN

X

Default Value

Variable

7E

STATUS_CML

Returns one byte of information with the status of the module’s communication related faults

Format

Unsigned Binary

Bit Position

7

6

5

4

3

2

1

0

Access

r

Flag

Invalid

Command

Invalid

Data

PEC

Fail

X

Other Comm Fault

X

Default Value

Variable

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 30

Table 4 (Continued)

Hex

Code

Command

Brief Description

Non-Volatile

Memory Storage

88

READ_VIN

Returns the value of the input voltage applied to the module.

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r

Function

Exponent

Mantissa

Default Value

Variable

Bit Position

7

6

5

4

3

2

1

0

Access

r

Function

Mantissa

Default Value

Variable

8B

READ_VOUT

Returns the value of the output voltage of the module. Exponent is fixed at -14

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r

Function

Mantissa

Default Value

Variable

Bit Position

7

6

5

4

3

2

1

0

Access

r

Function

Mantissa

Default Value

Variable

8C

READ_IOUT

Returns the value of the output current of the module.

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r

Function

Exponent

Mantissa

Default Value

Variable

Bit Position

7

6

5

4

3

2

1

0

Access

r

Function

Mantissa

Default Value

Variable

8D

READ_TEMPERATURE_1

Returns a module FET package temperature in ºC.

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r

Function

Exponent

Mantissa

Default Value

Variable

Bit Position

7

6

5

4

3

2

1

0

Access

r

Function

Mantissa

Default Value

Variable

8E

READ_TEMPERATURE_2

Returns the module PWM controller temperature in ºC.

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r

Function

Exponent

Mantissa

Default Value

Variable

Bit Position

7

6

5

4

3

2

1

0

Access

r

Function

Mantissa

Default Value

Variable

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 31

Table 4 (Continued)

Hex

Code

Command

Brief Description

Non-Volatile

Memory Storage

95

READ_FREQUENCY

Returns the switching Frequency of the converter. The Frequency is in Kilohertz and

is read only, consisting of two bytes.

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r

Function

Integer

Default Value

0

1

Bit Position

7

6

5

4

3

2

1

0

Access

r

Function

Integer

Default Value

1

0

1

0

98

PMBUS_REVISION

Returns one byte indicating the module is compliant to PMBus Spec. 1.1

Format

Unsigned Binary

Bit Position

7

6

5

4

3

2

1

0

Access

r

Default Value

0

1

0

1

YES

B0

MFR_SPECIFIC_KP

Value used to program specific proportional coefficient of the PID compensation

Block. Do not use value higher than 10922

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r/w

Function

Integer

Default Value

Variable

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Integer

Default Value

Variable

YES

B1

MFR_SPECIFIC_KI

Value used to program specific integral coefficient of the PID compensation Block.

Do not use value higher than 10922.

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r/w

Function

Integer

Default Value

Variable

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Integer

Default Value

Variable

YES

B2

MFR_SPECIFIC_KD

Value used to program specific differential coefficient of the PID compensation. Do

not use value higher than 10922

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r/w

Function

Integer

Default Value

Variable

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Integer

Default Value

Variable

YES

B3

MFR_SPECIFIC_ALPHA

Value used to program specific alpha value of the PID compensation block

Allowable range: -256 to +256. Use positive values only

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r/w

Function

Integer

Default Value

Variable

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Integer

Default Value

Variable

YES

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 32

Table 4 (Continued)

Hex

Code

Command

Brief Description

Non-Volatile

Memory Storage

D0

MFR_SPECIFIC_00

Returns module name information (read only)

Format

Unsigned Binary

Bit Position

15

14

13

12

11

10

9

8

Access

r

Function

Reserved

Default Value

0

Bit Position

7

6

5

4

3

2

1

0

Access

r

Function

Module Name

Reserved

Default Value

0

1

0

1

0

YES

D4

MFR_READ_VOUT_CAL_OF

FSET

Applies an offset to the READ_VOUT command results to calibrate out offset errors in

module measurements of the output voltage (between -125mV and +124mV). Exponent is

fixed at -14.

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r/w

Function

Mantissa

Default Value

Variable based on factory calibration

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Mantissa

Default Value

Variable based on factory calibration

YES

D5

MFR_READ_VOUT_CAL_GA

IN

Applies a gain correction to the READ_VOUT command results to calibrate out gain errors in

module measurements of the output voltage. The number in this register is divided by 8192

to generate the correction factor.

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r/w

Function

Integer

Default Value

Variable based on factory calibration

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Integer

Default Value

Variable based on factory calibration

YES

D7

MFR_VOUT_CAL_OFFSET

Applies an offset to the commanded output voltage to calibrate out errors in setting module

output voltage (between -63mV and +62mV) when using Trim resistor. Exponent is fixed at -

14.

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r/w

Function

Mantissa

Default Value

Variable based on factory calibration

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Mantissa

Default Value

Variable based on factory calibration

YES

D8

MFR_VOUT_SET_MODE

Bit 7 used to determine whether output voltage is set using RTrim or the

VOUT_COMMAND.

Bit 7: 1 – Output voltage is solely set by RTrim value and can be adjusted from set value

using the VOUT_TRIM command

Bit 7: 0 – Output voltage is solely set by VOUT_COMMAND and can be adjusted from set

value using the VOUT_TRIM command.

Bit 0: Used to indicate whether changes have been made to the Vout set point, PG On/Off

levels, margin levels or OV/UV fault/warning levels. A 1 in this position indicates that one or

more of the values have changed from the default. If this bit is 0, then the default values

are used.

Format

Unsigned Binary

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Flag

VOUT_SE

T_MODE

X

USER_CHANGES

Default Value

1

0

YES

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 33

Table 4 (Continued)

Hex

Code

Command

Brief Description

Non-Volatile

Memory Storage

DB

MFR_FW_REVISION

Value used to program the firmware revision. This command is read only.

Format

Linear, two’s complement binary

Bit Position

15

14

13

12

11

10

9

8

Access

r/w

Function

Integer – Major Version

Default Value

Variable

Bit Position

7

6

5

4

3

2

1

0

Access

r/w

Function

Integer – Minor Version

Default Value

Variable

DD

MFR_RTUNE_INDEX

Returns the index derived from the resistor strapped to the RTUNE pin of the module. Range

is from 0 to 59.

Format

Unsigned Binary

Bit Position

7

6

5

4

3

2

1

0

Access

r

Function

Integer

Default Value

Variable

YES

DF

MFR_WRITE_PROTECT

Gets or sets the write protection status of various PMBus commands. When a bit is set, the

corresponding PMBus command is write protected and can only be read.

Format

Unsigned Binary

Bit Position

15

14

13

12

11

10

9

8

Access

r

Function

Reserved

Default Value

x

Bit Position

7

6

5

4

3

2

1

0

Access

r

r/w

Function

Reserved

Used

Default Value

x

1

0

Bit 0: ON_OFF_CONFIG

Bit 1: IOUT_OC_FAULT_LIMIT

Bit 2: OT_FAULT_LIMIT

Bit 3: OT_FAULT_RESP

Bits 4 – 15: Reserved

YES

F0

MFR_MODULE_DATE_LOC

_SN

Read only command which returns 12 bytes with the value of YYFFWWXXXXXX, where

YY : year of manufacture

FF: Factory where manufactured

WW: Fiscal week of the year when unit was manufactured

XXXXXX: Unique number for the specific unit – corresponding to serial number on the label

of the unit.

YES

SMBALERT# is also triggered:

• when an invalid/unrecognized PMBus command (write or read) is issued

• By invalid PMBus data (write)

• By PEC Failure (when used)

• By Enable OFF (when used)

• Module is out of Power Good Range

Digital Power Insight (DPI)

GE offers a software tool that set helps users evaluate and simulate the PMBus performance of the TJT120A modules without

the need to write software.

The software can be downloaded for free at http://go.ge-energy.com/DigitalPowerInsight.html. A GE USB to I2C

adapter and associated cable set are required for proper functioning of the software suite. For first time users, the GE DPI

Evaluation Kit can be purchased from leading distributors at a nominal price and can be used across the entire range of GE

Digital POL Modules.

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 34

Thermal Considerations

Power modules operate in a variety of thermal

environments; however, sufficient cooling should always be

provided to help ensure reliable operation.

Considerations include ambient temperature, airflow,

module power dissipation, and the need for increased

reliability. A reduction in the operating temperature of the

module will result in an increase in reliability. The thermal

data presented here is based on physical measurements

taken in a wind tunnel. The test set-up is shown in Figure

37. The preferred airflow direction for the module is in

Figure 38.

Air

flow

x

Power Module

Wind Tunnel

PWBs

12.7_

(0.50)

76.2_

(3.0)

Probe Location

for measuring

airflow and

ambient

temperature

25.4_

(1.0)

Figure 37. Thermal Test Setup.

Figure 38. Preferred airflow direction and location of hot-

spots of the module (Tref).

The thermal reference points, Tref used in the specifications

are also shown in Figure 38. For reliable operation the

temperatures at these points should not exceed 120°C. The

output power of the module should not exceed the rated

power of the module (Vo,set x Io,max).

Please refer to the Application Note “Thermal

Characterization Process For Open-Frame Board-Mounted

Power Modules” for a detailed discussion of thermal aspects

including maximum device temperatures.

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 35

Example Application Circuit

Requirements:

Vin: 12V

Vout: 1.2V

Iout: 120A max., worst case load transient is from 60A to 90A, 10A/usec

Vout: 25mV for worst case load transient

Vin, ripple 2% of Vin (240mV p-p)

3.3V* can be derived from Vin through a suitable voltage divider network

CI1 4 x 0.047 µF (high-frequency decoupling ceramic capacitor)

CI2 12 x 22 µF Ceramic

CI3 4 x 470 µF (polymer or electrolytic)

CO1 4 x 0.047 µF (high-frequency decoupling ceramiccapacitor)

CO2 12 x 47 µF, Ceramic

CO3 7 x 1000 µF

RTune 2460Ω,

RTrim 5.9KΩ

Note: The DATA, CLK and SMBALRT pins do not have any pull-up resistors inside the module. Typically, the PMBus master

controller will have pull-up resistors as well as provide the driving source for these signals.

If running the simulation at ge.transim.com remember to use bin ‘a’ parameters to determine the Loop

Stability, and bin ‘b’ parameters to determine the transient response.

RADDR0

DATA

CLK

VS-

RADDR1

GND

Vin+

CI3

CO2

ADDR0

VS+

GND

TRIM

VOUT

RTrim

VIN

CO1

CI2

Vout+

ON/OFF

Q1

PGOOD

SEQ

SMBALRT#

MODULE

ADDR1

SIG_GND

CO3

RTUNE

CI1

3.3V*

SYNC

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

4.5Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 36

Mechanical Outline (SMT)

Dimensions are in millimeters and (inches).

Tolerances: x.x mm  0.5 mm (x.xx in.  0.02 in.) [unless otherwise indicated]

x.xx mm  0.25 mm (x.xxx in  0.010 in.)

BOTTOM VIEW

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 37

Recommended SMT Pad Layout

FUNCTION

1

VOUT

15

PWR_GOOD

29

VIN

2

VOUT

16

RTUNE

30

N/A

3

GND

17

TRIM

31

SHARE/NC

4

VOUT

18

SEQ

32

ON/OFF

5

VOUT

19

SIG_GND

33

SMBALERT#

6

GND

20

VS+

34

DATA

7

VOUT

21

VS-

35

CLK

8

VOUT

22

GND

36

ADDR0

9

GND

23

VIN

37

ADDR1

10

VOUT

24

GND

38

GND

11

VOUT

25

VIN

12

GND

26

GND

13

GND

27

VIN

14

SYNC

28

GND

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

4.5Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 38

Mechanical Outline (Through hole)

Dimensions are in millimeters and (inches).

Tolerances: x.x mm  0.5 mm (x.xx in.  0.02 in.) [unless otherwise indicated]

x.xx mm  0.25 mm (x.xxx in  0.010 in.)

BOTTOM VIEW

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 39

Recommended Through-hole Layout

Note: In the Through-Hole version of the TJT120, pins 1-13, 22-29 and 38 are Through-Hole pins, pins 14-21, 30-37 are SMT

pins. The drawing above shows the recommended layout as a combination of holes in the PWB to accommodate the

Through-Hole pins and pads on the top layer to accommodate the SMT pins.

FUNCTION

1

VOUT

15

PWR_GOOD

29

VIN

2

VOUT

16

RTUNE

30

N/A

3

GND

17

TRIM

31

SHARE/NC

4

VOUT

18

SEQ

32

ON/OFF

5

VOUT

19

SIG_GND*

33

SMBALERT#

6

GND

20

VS+

34

DATA

7

VOUT

21

VS-

35

CLK

8

VOUT

22

GND

36

ADDR0

9

GND

23

VIN

37

ADDR1

10

VOUT

24

GND

38

GND

11

VOUT

25

VIN

12

GND

26

GND

13

GND

27

VIN

14

SYNC

28

GND

*Do not connect SIG_GND to any other GND paths. It needs to be kept separate from other

grounds on the board external to the module

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

4.5Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 40

Packaging Details

The 120A TeraDLynxTM modules are supplied in trays. Modules are shipped in quantities of 12 modules per layer, 24 per box.

All Dimensions are in millimeters. All radius unspecified are R2.0mm. All angles unspecified are 5°.

34.00±0.5*

* Unit datecodes prior to 1802 will have the older taller tray with a height of

34.00±0.5 as indicated

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

7Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

October 19, 2018

Page 41

Surface Mount Information

Pick and Place

The 120A TeraDLynxTM modules use an open frame

construction and are designed for a fully automated

assembly process. The modules are fitted with a label

designed to provide a large surface area for pick and place

operations. The label meets all the requirements for surface

mount processing, as well as safety standards, and is able

to withstand reflow temperatures of up to 300oC. The label

also carries product information such as product code,

serial number and the location of manufacture.

Nozzle Recommendations

The module weight has been kept to a minimum by using

open frame construction. Variables such as nozzle size, tip

style, vacuum pressure and placement speed should be

considered to optimize this process. The minimum

recommended inside nozzle diameter for reliable operation

is 15mm. The maximum nozzle outer diameter, which will

safely fit within the allowable component spacing, is 22 mm.

Bottom Side / First Side Assembly

This module is not recommended for assembly on the

bottom side of a customer board. If such an assembly is

attempted, components may fall off the module during the

second reflow process.

Lead Free Soldering

The modules are lead-free (Pb-free) and RoHS compliant

and fully compatible in a Pb-free soldering process. Failure

to observe the instructions below may result in the failure of

or cause damage to the modules and can adversely affect

long-term reliability.

Pb-free Reflow Profile

Power Systems will comply with J-STD-020 Rev. C

(Moisture/Reflow Sensitivity Classification for Nonhermetic

Solid State Surface Mount Devices) for both Pb-free solder

profiles and MSL classification procedures. This standard

provides a recommended forced-air-convection reflow

profile based on the volume and thickness of the package

(table 4-2). The suggested Pb-free solder paste is Sn/Ag/Cu

(SAC). The recommended linear reflow profile using

Sn/Ag/Cu solder is shown in Fig. 40. Soldering outside of the

recommended profile requires testing to verify results and

performance.

MSL Rating

The 120A TeraDLynxTM modules have a MSL rating of 3.

Storage and Handling

The recommended storage environment and handling

procedures for moisture-sensitive surface mount packages

is detailed in J-STD-033 Rev. A (Handling, Packing, Shipping

and Use of Moisture/Reflow Sensitive Surface Mount

Devices). Moisture barrier bags (MBB) with desiccant are

required for MSL ratings of 2 or greater. These sealed

packages should not be broken until time of use. Once the

original package is broken, the floor life of the product at

conditions of  30°C and 60% relative humidity varies

according to the MSL rating (see J-STD-033A). The shelf life

for dry packed SMT packages will be a minimum of 12

months from the bag seal date, when stored at the following

conditions: < 40° C, < 90% relative humidity.

Time

Temp

Ramp up

max. 3°C/Sec

Ramp down

max. 4°C/Sec

Time Limited 90 Sec.

above 217°C

Preheat time

100-150 Sec.

Peak Temp. 240-245°C

25°C

150°C

200°C

217°C

Figure 39. Recommended linear reflow profile using

Sn/Ag/Cu solder.

Post Solder Cleaning and Drying Considerations

Post solder cleaning is usually the final circuit-board

assembly process prior to electrical board testing. The result

of inadequate cleaning and drying can affect both the

reliability of a power module and the testability of the

finished circuit-board assembly. For guidance on

appropriate soldering, cleaning and drying procedures, refer

to Board Mounted Power Modules: Soldering and Cleaning

Application Note (AN04-001).

Through Hole Information

The 120A TeraDLynxTM modules are lead-free (Pb-free) and

RoHS compliant and fully compatible in an Pb-free soldering

process. For the through-hole application, it is

recommended that the modules are assembled in the pin

and paste reflow process, not in the wave solder process.

Failure to observe the instructions below may result in the

failure of or cause damage to the modules and can

adversely affect long-term reliability.

GE

Data Sheet

120A TeraDLynxTM: Non-Isolated DC-DC Power Modules

4.5Vdc –14Vdc input; 0.6Vdc to 1.5Vdc output; 120A Output Current

Contact Us

For more information, call us at

USA/Canada:

+1 888 546 3243, or +1 972 244 9288

Asia-Pacific:

+86.021.54279977*808

Europe, Middle-East and Africa:

+49.89.878067-280

www.gecriticalpower.com

GE Critical Power reserves the right to make changes to the product(s) or information contained herein without notice, and no

liability is assumed as a result of their use or application. No rights under any patent accompany the sale of any such product(s)

or information.

October 19, 2018

Version 1.16

Ordering Information

Please contact your GE Sales Representative for pricing, availability and optional features.

Table 5. Device Codes

Device Code

Input

Voltage Range

Output

Voltage

Output

Current

On/Off

Logic

Interconnect

Comcodes

TJT120A0X3Z

7 – 14Vdc

0.6 – 1.5 Vdc

120A

Negative

TH

150043982

TJT120A0X43Z

7 – 14Vdc

0.6 – 1.5 Vdc

120A

Positive

TH

150049601

TJT120A0X3-SZ

7 – 14Vdc

0.6 – 1.5 Vdc

120A

Negative

SMT

150041745

TJT120A0X43-SZ

7 – 14Vdc

0.6 – 1.5 Vdc

120A

Positive

SMT

150049603

-Z refers to RoHS compliant parts

Table 6. Coding Scheme

GE Digital Non-Isolated DC-DC products use technology licensed from Power-One, protected by US patents: US20040246754, US2004090219A1, US2004093533A1, US2004123164A1,

US2004123167A1, US2004178780A1, US2004179382A1, US20050200344, US20050223252, US2005289373A1, US20060061214, US2006015616A1, US20060174145, US20070226526,

US20070234095, US20070240000, US20080052551, US20080072080, US20080186006, US6741099, US6788036, US6936999, US6949916, US7000125, US7049798, US7068021, US7080265,

US7249267, US7266709, US7315156, US7372682, US7373527, US7394445, US7456617, US7459892, US7493504, US7526660.

Outside the US the Power-One licensed technology is protected by patents: AU3287379AA, AU3287437AA, AU3290643AA, AU3291357AA, CN10371856C, CN1045261OC, CN10458656C,

CN10459360C, CN10465848C, CN11069332A, CN11124619A, CN11346682A, CN1685299A, CN1685459A, CN1685582A, CN1685583A, CN1698023A, CN1802619A, EP1561156A1, EP1561268A2,

EP1576710A1, EP1576711A1, EP1604254A4, EP1604264A4, EP1714369A2, EP1745536A4, EP1769382A4, EP1899789A2, EP1984801A2, W004044718A1, W004045042A3, W004045042C1,

W004062061 A1, W004062062A1, W004070780A3, W004084390A3, W004084391A3, W005079227A3, W005081771A3, W006019569A3, W02007001584A3, W02007094935A3

Package

Identifier

Family

Sequencing

Option

Output

current

Output

voltage

On/Off

logic

Remote

Sense

Options

ROHS Compliance

T

J

T

120A0

X

3

-SR

-H

Z

P=Pico

U=Micro

M=Mega

G=Giga

T=Tera

J =

DLynx ΙΙ

T=with EZ

Sequence

X=without

sequencing

120A

X =

programm

able

output

4 =

positive

No entry =

negative

3 =

Remote

Sense

S = Surface

Mount

R = Tape &

Reel

No entry =

Through hole

Extra Ground

Pins

Z = ROHS6