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May 201 4
Rev. 1.0.0
Exar Corporation www.exar.com
48720 Kato Road, Fremont CA 94538, USA Tel. +1 510 668-7000 – Fax. +1 510 668-7001
GENERAL DESCRIPTION
The XRP7724/7725EVB-DEMO-2 board is a
complete four channel power system. It is
configured to provide 3.3V, 2.5V 1.5V and 1V
at a maximum of 3A, 3A, 5A and 10A loads
respectively. The 1.5V and 1V supplies can be
adjusted in 2.5mV increments, the 2.5V
supply in 5mV increments, and the 3.3V
supply is adjustable in 10mV increments. The
order and ramp rates for each supply can be
programmed to accommodate any sequencing
requirement. All power supply operations can
be controlled over an I2C interface. Faults,
output voltages and currents can also be
monitored. Two GPIO and three PSIO signals
are available and can be programmed to
provide a variety of functions. Unused
GPIO/PSIO pins can be programmed as I/O
expansion for a microcontroller. The board is
supp ort ed by P ow erA rch it ectTM 5.1 o r l ater and
plugs directly onto the interposer board acting
as an interface to an Arduino controller or
Exar’s XCM.
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XRP7724/7725EVB-DEMO-2
FEATURES
• XRP24/7725 Programmable Controller
• 4 Channel Power Syste m
• Wide Input Voltage Range: 5.5V-25V
• I2C Interface
− Programming
− Remote re-configurability
− Monitoring
− Control
• Arduino GPIO, PSIO and ENABLE
control
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May 201 4
Rev. 1.0.0
Exar Corporation www.exar.com
48720 Kato Road, Fremont CA 94538, USA Tel. +1 510 668-7000 – Fax. +1 510 668-7001
EVALUATION BOARD SCHEMATICS
Figure 1 XRP7724/7725 Evaluation Board Schematic s
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© 2014 Exar Corporation 3/19 Rev. 1.0.0
PIN ASSIGNMENT
33
32
31
30
29
28
27
26
24
25
20
19
17
18
16
15
13
14
12
10
1
2
3
4
5
6
7
8
9
36
37
39
38
40
41
43
42
44
21
35
LDO3_3
AGND
CPLL
AVDD
VOUT1
VOUT2
VOUT4
GPIO0
GPIO1
GL2
LX2
GH2
BST2
GL_RTN3
GL3
LX3
GH3
BST3
VCCD3-4
SCL
PSIO1
PSIO2
DVDD
PSIO0
DGND
BST4
GH4
LX4
GL4
LDO5
5VEXT
BFB
VCC
ENABLE
GL1
LX1
GH1
BST1
VCCD1-2
VOUT3
Exposed Pad: AGND
XRP7724/XRP7725
TQFN
7mm X 7mm
11
SDA
23
GL_RTN2
34
GL_RTN1
22
GL_RTN4
Figure 2 XRP7724/7725 Pin Assignment
PIN DESCRIPTION
Name P in Numbe r Description
VCC 41 Input voltage. Place a decoupling c a p ac itor close to the pin. This input is used in UVLO
fault gener ation.
DVDD 16 1.8V supply for digital circuitry. Connect p in to AVDD. Place a de coup l ing cap ac itor
close to the pin.
VCCD1-2
VCCD3-4 23,34
Gate Drive s uppl y . Two independ e nt g ate drive supply pins where pin 34 supplie s
driver s 1 and 2 and pin 23 supplies dr ivers 3 & 5. One of the two pins must be
connec te d to the LDO5 pin to enable two power rails initially. It is reco mmend ed that
the other VCCD pin be conne cted to the outp ut of a 5V switching rail(for impro ve d
effi c ie ncy or for driving larger exter na l FETs ), if av ai lab l e , otherw is e this p in may also
be connec ted to the LDO5 pin. A bypass capacitor (>1uF) to PAD is recommended for
eac h VCCD pin w ith the pin(s ) c o nnecte d to LDO5 with shortest possible etc h.
AGND 2 Analog ground p in. This is the small signal ground connectio n.
GL_RTN1-4 39,33, 28,22 Ground connection for the low side gate driver. This should be ro uted as a signal tr ace
with GL. Connec t to the source of the low side MOSFE T.
GL1-GL4 38,32, 27,21 Output pin of the low side gate driv er . Conne c t direc tly to the gate of an external N-
channel MOSF ET.
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© 2014 Exar Corporation 4/19 Rev. 1.0.0
Name P in Numbe r Description
GH1-GH4 36,30, 25,19 Output pin of the high side gate driver. Connect dir ectly to the gate of an external N-
channel MOSF ET.
LX1-LX4 37,31, 26,20
Lower supp ly rail fo r the G H high-side g a te driver. Connect this pin to the switching
node at the juncti o n betwee n the two e x ter nal po wer MOSFETs and the inductor. These
pins are also used to meas ure voltag e drop across bottom MOSFETs in order to prov id e
output curr e nt info rmation to the control engine.
BST1-BST4 35,29, 24,18
High side driver supply pin(s). Connec t BST to the ex terna l capac i to r as shown in the
Typica l Application Cir c uit on page 5 . The high side driver is connec te d betw e e n the
BST pin and LX pin and delivers the BS T pin voltage to the high s id e F ET gate eac h
cycle.
GPI0-GPIO1 9,10 These pins can be configured as inputs or outputs to implement custom flags , powe r
good signal s , enable /disable controls and synchroniza tio n to an exte rnal clock.
PSIO0-PSIO2 13,14,15
Open drain, thes e pins c an be used to contr o l ex terna l power MOSFET s to switch loads
on and off, shedding the load for fine grained power mana geme nt. They can also be
configures as standard logic outputs o r inp uts j us t as any of the GPIOs can be
configured, but as open drains req uire an external pull-up when conf ig ure d as outp uts .
SDA, SCL 11,12 SMBus/I2C serial inte rface communicatio n p ins . These pins can be config ured open
drain or pseudo-TTL requiring a pull-up resistor.
VOUT1-VOUT4 5,6,7,8 Connect to the output of the correspond ing power s tage. The output is sampled at least
once every switc hing cycle
LDO5 44 Output of a 5V LDO. This is a micro power LDO that can remain active while the res t of
the IC is in the stand-by mode. This LDO is also used to power the inte rnal Analog
Blocks.
LDO3_3 1 Outp ut of the 3.3V standby LDO. This is a micro power LDO that can rem ain activ e
while the res t of the IC is in shutdow n.
ENABLE 40
If ENABLE is pulle d high or allo w ed to float high, the chip is powered up (logic is rese t,
regis ter s co nfig uration loaded, etc.). The pin mus t be held low for the XRP7724 to be
placed into shutdo w n. Active channels will autom atic al ly be rampe d dow n, if des ire d ,
prior to the dis abling of the chip.
BFB 42 Input from the 15V output created by the external boost supply. When this pin goes
below a pre-defi ne d thre s hold, a p uls e is created o n the low si d e driv e to charg e this
output ba ck to the orig inal le ve l. If no t used , this pin sho uld be co nne c ted to GND.
DGND 17 Digital g ro und pi n. This is the logi c ground co nne c tio n, and should be connected to the
ground plane cl ose to the PAD.
CPLL
3 PLL compensa tio n c apac itor
ORDERING INFORMATION
Part Number
XRP7724EVB-DEMO-2 XRP7724EVB-DEMO-2 Evaluation Board
XRP7724EVB-DEMO-2-KIT Evaluation kit inc lud e s XRP772 4 EVB-DEMO-2 Evaluation Boar d with Pow e r
Architect software and interface board
XRP7724EVB-DEMO-2-KITA Evaluation k it inc ludes XRP7724EVB-DEMO-2 Evaluation Board wi th Powe r
Archite c t softw a re, inte rf a c e and Arduino c o ntro ll e r board s
XRP7725EVB-DEMO-2
XRP7725EVB-DEMO-2 Evaluation Board
XRP7725EVB-DEMO-2-KIT Evaluation kit inc lud e s XRP772 5 EVB-DEMO-2 Evaluation Boar d with Pow e r
Architect software and interface board
XRP7725EVB-DEMO-2-KITA Evaluation k it inc ludes XRP7725EVB-DEMO-2 Evaluation Board wi th Powe r
Archite c t softw a re, inte rf a c e and Arduino c o ntro l le r board s
XR77EVB-INT-1 Interf ac e board des igne d for use with an Ard uino controller and compati b le
evaluatio n bo ard s . Also has connec tiv i ty for the Exar Configuration Mod ule (XCM)
XRP77XXEVB-XCM Exar Configuration Module (XCM). USB to I2C interface board.
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© 2014 Exar Corporation 5/19 Rev. 1.0.0
USING THE EVA LUA TI ON BOARD
INPUT VOLTAGE RANGE
The input voltage range of these boards is
from 5.5V to 25V. The power components
have been optimized for a 12V input rail.
When running the board at an input voltage
other than 12V, use PowerArchitectTM 5.1 to
evaluate the system performance.
I2C INTERFACE
The XRP7724 and XRP7725 programmable
power controllers employ a standard I2C
interface. Although the I2C signals can be
pulled up to LDO5 on board by means of
installing resistors at the locations R25 and
R26, the I2C bus signals are pulled up on the
contr oller in terface board (XR77EVB-INT-1) by
default (refer to Appendix – jumpers installed
shorting pins 2 and 3 together at the locations
JP6 and JP7).
OPERATING T H E EVALUATION BOARD
The XR P7724/7725EVB-DEMO-2 i s designed to
be powered from either an AC/DC wall wart
(the output voltage must be in the range of
the controllers - 5.5V t o 25V) connected to the
barrel connector or a test bench DC power
supply (the voltage must be in the range of
the c on t roll ers - 5.5V t o 25V) connected to the
VIN connectors.
BRING UP PROCEDURE
Plug the XRP7724/7725EVB-DEMO-2
evaluation board and the Arduino board into
the controller interface board as shown below.
Load the latest PowerArchitectTM 5 software
and run it.
After selecting the proper family (Chips) and
the device (XRP7724 or XRP7725), select the
“Get Started with the EVB-DEMO2” option
when prompted as shown below.
When done, click “Create”. PowerArchitectTM 5
will load the default configuration
automatically.
Apply Power to the board. Please refer to the
sections above on how to properly supply
power to the board and what voltage range to
use.
Turn on the Power supply.
Use USB cable to connect the computer (type
A) and the Ard uino c ontroller board (type B).
Go to the Tools tab in PA 5 and select Boards.
The softwar e will identify communication ports
where it found the Arduino controller board.
Select the port.
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© 2014 Exar Corporation 6/19 Rev. 1.0.0
PA 5 is now communicating with the Arduino
contr oll er board wh ich is indi cated in the low er
left corner.
Programming the Configuration onto
XRP7724/7725
To program a configuration go to the Tools tab
in PA 5 and select Program Flash.
The program Flash window will appear.
Click the Flash button.
PA 5 will go through the process of loading
configuration in the flash. Once it has
successfully completed the task, it will report
the outcome as seen above and reset the
device if “Automatically Reset After Flashing”
box checked (default option).
Close the window.
Note that XRP7724/7725EVB-DEMO-2 boards
will be pre-loaded with the default
configuration.
Regulation
To enable channel regulation go to the Tools
tab in PA 5 and select Dashboard.
In Dashboard turn Group 1 and Group 2 on.
The configuration groups the channels 1 and 2
into the group 1, and the channels 3 and 4
into the group 2. The channels are now in
regulation as indicated by VOUT readings as
well as t he in-regulation indicators.
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© 2014 Exar Corporation 7/19 Rev. 1.0.0
Channels can be turned on individually if
desired.
GPIO an d P IS O interf ac e
The GPIOs, PSIOs and ENABLE can be
controlled from the Arduino controller
dynamically in the dashboard.
ENABLE signal is connected to the Arduino
controller board by default (JP2 header is
shorted). Arduino drives the ENABLE pin low
to place XRP7724/7725 into the shutdown
mode. It releases the ENABLE pin to enable
the device. If leaving the ENABLE pin floating
is desired, the jumper at JP2 shall be
removed.
The PSIOs are not pulled up on
XRP7724/7725EVB-DEMO-2 by default. There
is a l oading option to pull PSIOs up to LDO5 if
desired. To do this, one will need to populate
the locations R27, R28, R30.
EVALUATION BOARD CONNECTIONS
The following picture illustrates how VIN
supplied from a test bench DC power supply
and instruments attached to the outputs would
be connected to the XRP7724/7725EVB-
DEMO-2 board.
INTERFACE BOARD CONNECTIONS
The fol lowi ng pi cture ill ustrat es connections on
the interface board - XR77EVB-INT-1. Its
primary task is to provide interface between
the Arduino controller board and EVB. In
addition, as explained in the subsequent
sections, it can be used to make connection
between XCM and EVB using 10-wire ribbon
cable.
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© 2014 Exar Corporation 8/19 Rev. 1.0.0
USING EXAR CONFIGURATION MODULE
(XCM) TO COMMUNICATE W ITH THE
EVALUATION BO ARD
It is possi bl e to u se the X CM (f irm ware v ers ion
v62) to communicate with the
XRP7724/7725EVB-DEMO-2 board. PA 5
supports XCM. The main task will be
connecting XCM to the evaluation bo a rd.
Using Interface Board
If the i nterfa ce board is ava ila ble use fol lowi ng
steps:
• Make sure no Arduino controller board
is connected to the interface board
• Remove I2C pull-up jumpers at
location JP6 and JP7 (need to be open
in all positions)
• If the 10-wire ribbon cable is available
connect the XCM to the interface board
as shown below
• Use I2C pull-up resistors on XCM
(install headers at the locations JP2 and
JP3 shorting pins 2 and 3)
• If 10-wire ribbon cable is not available
use 3-wire con nection b et ween JP 4 p ins
1-3 on XCM (pin 1 – SC L; pin 2 – GND;
pin 3 – SDA) to test points T23 (SCL),
T24 (GND) and T25 (SDA) on the
interface board. Make a use of the
silkscreen labels on both boards.
• Connect the interface board and the
evaluation board as shown above.
Wiring XCM directly to the E val uation
Board
Use 3-wire connection between JP4 pins 1-3
on the XCM (pi n 1 – SCL; pin 2 – GND ; pi n 3 –
SDA) to the P3 connector on the evaluation
board, the pin 8 (GND), the pin 9 (SDA) and
the pin 10 (SCL) on the interface board. Make
a use of the silkscreen labels on both boards.
1
1
2
2
3
3
4
4
5
5
6
6
D D
C C
B B
A A
1
EXAR
48720 Kato Road
Fremont, CA 94538
www.exar.com
1
XRP772xEVB-DEMO-2
1.0
5/13/2014 1:03:21 PM
C:\SVN_LOCAL\XRP7724EVB-DEMO-1\Board\XRP7724.SchDoc
Title
Size: Name:
Date:
File:
Rev:
Sheet of
Time:
CXRP7724.SchDoc
GND
ENABLE
AVDD
5VEXT
LDO5
LDO3V3
CPLL
VCC
GND
AVDD
GND
GND
LDO5
GND
LDO3V3
GND
GND
BST4
LX4
GL4
BST1
GH1
LX1
GL1
VOUT1
GNDVCCD
16V
4.7UF
0805
C49
GND
GND
BST2
GH2
LX2
GL2
BST3
GH3
LX3
GL3
VOUT3
GND
GND
GND
GND
VCCD
16V
2.2UF
0805
C44
GND
VOUT4
50V
2200pF
0603
C10
GND
PSIO1
PSIO0
T4
DNS
0603
R27
DNS
0603
R28
PSIO0
PSIO1
GND
GND
PSIO2
PSIO2
DNS
0603
R30
T8
GND
LDO5
GND
SDA
SCL
GPIO0
GPIO1
DNS
0603
R19
DNS
0603
R20
35V
10UF
1210
C8
DNS
0805
R3
DNS
0603
C5
CH1_OUT
T2
VIN_CH1
6
8
5
7
1
2
3
4
Q1
FDMC8200
BST1 LX1
VCC
DNS
1210
C38
GND
GL1
GH1
7443551130
1.3uH
L4
DNS
0805
R14
DNS
0603
C37
CH4_OUT
T15
DNS
0603
R32
DNS
0603
R33
VIN
LX4
BST4
GH4
GL4
50V
0.1UF
0603
C20
35V
10UF
1210
C16
DNS
0805
R8
DNS
0603
C13
CH2_OUT
T3
VIN_CH2
6
8
5
7
1
2
3
4
Q2
FDMC8200
VOUT2
GH2
GL2
LX2BST2
VCCD
SDA
SCL
ENABLE
GND
T16
GND
GH4
G
D
S
4
SL1,SL2,MB
SIR474DP
1,2,3
Q5
G
D
S
4
SL1,SL2,MB
FDMS7560S
1,2,3
Q6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
P3
Header 15
PSIO0
PSIO1
PSIO2
GPIO0
GPIO1
GND
DNS
0603
R24
DNS
0603
R23
35V
10UF
1210
C21 DNS
0805
R12
DNS
0603
C29
CH3_OUT
VIN_CH3
LX3
BST3
GH3
GL3
T10
T13
GND
GND
CH1_OUT DNS
0603
R1 5VEXT
T7
GND
SDA
SCL
GND
LDO5
LDO3V3
AVDD
2
3
1
P2
GPIO0
GPIO1
PSIO0
PSIO2PSIO1
DNS
0603
R18
2.2 OHM
0603
R6 VCCD
GND
DNS
0603
R17
DNS
0603
R29
DNS
0603
R34
DNS
0603
R25
DNS
0603
R26
LDO5
SDA
SCL
VOUT1
VOUT3
VOUT4
ENABLE
T5
T6
DNS
0603
R7
DNS
0603
R9
DNS
0603
R10
DNS
0603
R11
35V
10UF
1210
C30
35V
10UF
1210
C31
50V
1UF
0805
C28
50V
1UF
0805
C6
50V
1UF
0805
C1
50V
1UF
0805
C36
50V
0.01UF
0603
C14
50V
0.01UF
0603
C19
50V
0.01UF
0603
C43
50V
0.01UF
0603
C15
50V
0.01UF
0603
C17
50V
0.01UF
0603
C46
50V
0.01UF
0603
C41
16V
4.7UF
0805
C42
16V
4.7UF
0805
C12
16V
4.7UF
0805
C18
50V
0.1UF
0603
C11
50V
0.1UF
0603
C23
50V
0.1UF
0603
C25
50V
0.1UF
0603
C45
50V
0.1UF
0603
C48
50V
0.1UF
0603 C47
50V
0.1UF
0603 C50
DNS
0603
R21
DNS
0603
R22
25V
0402
0.01UF
C24
VIN
GND
OUT1
GND1
35V
120uF
C4
OUT2
GND2
VOUT2
6.3V
330uF
+C26
DNS
+C34
6.3V
330uF
+C33
50V
0.01UF
0603
C22
GND
DNS
0603
R5 LDO5
00805
R16
VIN
FDMC7660
G
D
S
4
5,6,7,8
1,2,3
Q3
FDMC8882
G
D
S
4
5,6,7,81,2,3
Q4
GND3
OUT3
GND4
OUT4
GL_RTN1 39
GL1 38
LX1 37
GH1 36
BST1 35
VCC 41
DGND
17
LDO5
44
5VEXT
43
AVDD
4
SDA
11
SCL
12
GPIO0
9
GPIO1
10
PSIO0
13
PSIO1
14
ENABLE
40
VOUT1 5
GL_RTN2 33
GL2 32
LX2 31
GH2 30
BST2 29
VOUT2 6
GL_RTN3 28
GL3 27
LX3 26
GH3 25
BST3 24
VOUT3 7
GL_RTN4 22
GL4 21
LX4 20
GH4 19
BST4 18
VOUT4 8
VCCD1-2 34
DVDD
16
AGND
2
AGND/EXPOSED PAD
45
LDO3_3
1
CPLL
3
BFB
42
PSIO2
15
VCCD3-4 23
U1
50V
0.01UF
0603
C40
GND
LDO5
VIN
LDO5
LDO3V3
T9
DNS
0603
R31
T11
GND
T1
GND
T17
T14
GND
GND
GND
GND
VIN_CH4
DNS
1210
C51
GND
744314200
2.0uH
L3
10V
47uF
1210
C52
T12
10V
47uF
1210
C32
DNS
1210
C35
1206/1210
GC4
VIN
DNS
1210
C54
GND
1206/1210
GC3
1206
GC2 VIN
DNS
1210
C55
GND
1206
GC1 VIN
DNS
1210
C56
GND
T19
T18
T20
T21
0
0805
R35
0
0805
R36
0
0805
R37
0
0805
R38
0
0805
R39
DNS
0603
R40
DNS
0603
R41
GPIO0
GPIO1
DNS
0402
C57
DNS
+C27
DNS
C59
DNS
C58
10V
47uF
+C2
10V
47uF
+C3
DNS
C60
10V
47uF
+C7
10V
47uF
+C9
DNS
C61
744314330
3.3uH
L2
744314490
4.9uH
L1
DNS
D1
DNS
0805
R42
GND
T30
GND
1
2
JP1
DNS
1206
C62
GND
12
34
56
78
910
12
14
16
18
20
11
13
15
17
19
P1
Header 2X10
1
2
JP2
DNS
0805
R44
DNS
12
DS1
DNS
0805
R43
VIN
0603
Pad - Not Part
R2
0603
Pad - Not Part
R4
0603
Pad - Not Part
R13
0603
Pad - Not Part
R15
35V
10uF
1206
C39
1
2
T22
1
2
T23
1
2
T24
1
2
T25
1
2
T26
1
2
T27
1
2
T28
1
2
T29
PCB Constraint: CH1 power ground meets EVB signal ground through vias at Cout
PCB Constraint: CH2 power ground meets EVB signal ground through vias at Cout
PCB Constraint: CH3 power ground meets EVB signal ground through vias at Cout
PCB Constraint: CH4 power ground meets EVB signal ground through vias at Cout
6.3V
330uF
+C53
P0C101 P0C102
P0C201 P0C202 P0C20N P0C20P
P0C301 P0C302 P0C30N P0C30P
P0C401 P0C402
P0C501 P0C502
P0C601 P0C602
P0C701 P0C702 P0C70N P0C70P
P0C801 P0C802
P0C901 P0C902 P0C90N P0C90P
P0C1001 P0C1002
P0C1101 P0C1102
P0C1201 P0C1202
P0C1301 P0C1302
P0C1401 P0C1402
P0C1501 P0C1502
P0C1601 P0C1602
P0C1701 P0C1702
P0C1801 P0C1802
P0C1901 P0C1902
P0C2001 P0C2002
P0C2101 P0C2102
P0C2201 P0C2202
P0C2301 P0C2302
P0C2401 P0C2402
P0C2501 P0C2502
P0C2601 P0C2602 P0C260N P0C260P
P0C2701 P0C2702 P0C270N P0C270P
P0C2801 P0C2802
P0C2901 P0C2902
P0C3001 P0C3002
P0C3101 P0C3102
P0C3201 P0C3202
P0C3301 P0C3302 P0C330N P0C330P
P0C3401 P0C3402 P0C340N P0C340P
P0C3501 P0C3502
P0C3601 P0C3602
P0C3701 P0C3702
P0C3801 P0C3802
P0C3901 P0C3902
P0C4001 P0C4002
P0C4101 P0C4102
P0C4201 P0C4202
P0C4301 P0C4302
P0C4401 P0C4402
P0C4501 P0C4502
P0C4601 P0C4602
P0C4701 P0C4702
P0C4801 P0C4802
P0C4901 P0C4902
P0C5001 P0C5002
P0C5101 P0C5102
P0C5201 P0C5202
P0C5301 P0C5302 P0C530N P0C530P P0C5401 P0C5402
P0C5501 P0C5502
P0C5601 P0C5602
P0C5701 P0C5702
P0C5801 P0C5802
P0C5901 P0C5902
P0C6001 P0C6002
P0C6101 P0C6102
P0C6201 P0C6202
P0D101 P0D102
P0DS101
P0DS102
P0GC101 P0GC102
P0GC201 P0GC202
P0GC301 P0GC302
P0GC401 P0GC402
P0GND01
P0GND101
P0GND201
P0GND301
P0GND401
P0JP101
P0JP102
P0JP201
P0JP202
P0L101 P0L102
P0L201 P0L202
P0L301 P0L302
P0L401 P0L402
P0OUT101 P0OUT201
P0OUT301
P0OUT401
P0P101 P0P102
P0P103 P0P104
P0P105 P0P106
P0P107 P0P108
P0P109 P0P1010
P0P1011 P0P1012
P0P1013 P0P1014
P0P1015 P0P1016
P0P1017 P0P1018
P0P1019 P0P1020
P0P201
P0P202
P0P203
P0P301
P0P302
P0P303
P0P304
P0P305
P0P306
P0P307
P0P308
P0P309
P0P3010
P0P3011
P0P3012
P0P3013
P0P3014
P0P3015
P0Q101 P0Q102 P0Q103 P0Q104
P0Q105
P0Q106
P0Q107
P0Q108
P0Q10MB1
P0Q10MB2
P0Q201 P0Q202 P0Q203 P0Q204
P0Q205
P0Q206
P0Q207
P0Q208
P0Q20MB1
P0Q20MB2
P0Q301 P0Q302 P0Q303
P0Q304
P0Q305 P0Q306 P0Q307 P0Q308 P0Q30MB P0Q401 P0Q402 P0Q403
P0Q404
P0Q405 P0Q406 P0Q407 P0Q408 P0Q40MB
P0Q501 P0Q502 P0Q503
P0Q504
P0Q50MB P0Q50SL1 P0Q50SL2 P0Q601 P0Q602 P0Q603
P0Q604
P0Q60MB P0Q60SL1 P0Q60SL2
P0R101 P0R102
P0R201 P0R202
P0R301 P0R302
P0R401 P0R402
P0R501 P0R502
P0R601 P0R602
P0R701 P0R702
P0R801 P0R802
P0R901 P0R902
P0R1001 P0R1002
P0R1101 P0R1102
P0R1201 P0R1202
P0R1301 P0R1302
P0R1401 P0R1402
P0R1501 P0R1502
P0R1601 P0R1602
P0R1701 P0R1702 P0R1801 P0R1802
P0R1901 P0R1902
P0R2001 P0R2002
P0R2101 P0R2102
P0R2201 P0R2202
P0R2301 P0R2302
P0R2401 P0R2402
P0R2501 P0R2502
P0R2601 P0R2602
P0R2701 P0R2702
P0R2801 P0R2802
P0R2901 P0R2902
P0R3001 P0R3002
P0R3101 P0R3102
P0R3201 P0R3202
P0R3301 P0R3302
P0R3401 P0R3402
P0R350a P0R350c
P0R360a P0R360c
P0R370a P0R370c
P0R380a P0R380c
P0R390a P0R390c
P0R4001 P0R4002
P0R4101 P0R4102
P0R4201 P0R4202
P0R4301 P0R4302
P0R4401 P0R4402
P0T100
P0T200 P0T300
P0T400
P0T500
P0T600
P0T700
P0T800
P0T900
P0T1000
P0T1100
P0T1200
P0T1300
P0T1400
P0T1500
P0T1600
P0T1700
P0T1800 P0T1900
P0T2000
P0T2100
P0T2201
P0T2202
P0T2301
P0T2302
P0T2401
P0T2402
P0T2501
P0T2502
P0T2601
P0T2602
P0T2701
P0T2702
P0T2801
P0T2802
P0T2901
P0T2902
P0T3000
P0U101
P0U102
P0U103
P0U104
P0U105
P0U106
P0U107
P0U108
P0U109
P0U1010
P0U1011
P0U1012
P0U1013
P0U1014
P0U1015
P0U1016
P0U1017
P0U1018
P0U1019
P0U1020
P0U1021
P0U1022
P0U1023
P0U1024
P0U1025
P0U1026
P0U1027
P0U1028
P0U1029
P0U1030
P0U1031
P0U1032
P0U1033
P0U1034
P0U1035
P0U1036
P0U1037
P0U1038
P0U1039
P0U1040
P0U1041
P0U1042
P0U1043
P0U1044
P0U1045
P0VIN01
P0C4301
P0C6201
P0JP102
P0R102
P0T700
P0U1043
N05VEXT
N05VEXT
P0C1801
P0C1901
P0C2401
P0P304
P0U104
P0U1016
N0AVDD
N0AVDD
N0AVDD
P0C1101
P0U1035 N0BST1
N0BST1
P0C2001
P0U1029 N0BST2
N0BST2
P0C2301
P0U1024 N0BST3
N0BST3
P0C2501
P0U1018 N0BST4
N0BST4
P0C101
P0C201 P0C20P
P0C301 P0C30P
P0C6001
P0JP101
P0L102
P0OUT101
P0R101
P0R201
P0T2201
P0T2202
N0CH10OUT
N0CH10OUT
P0C601
P0C701 P0C70P
P0C901 P0C90P
P0C6101
P0L202
P0OUT201
P0R401
P0T2401
P0T2402
N0CH20OUT
P0C2601 P0C260P
P0C2701 P0C270P
P0C2801
P0C5201
P0C5901
P0L302
P0OUT301
P0R1301
P0T2601
P0T2602
N0CH30OUT
P0C3201
P0C3301 P0C330P
P0C3401 P0C340P
P0C3501
P0C3601
P0C5301 P0C530P
P0C5801
P0L402
P0OUT401
P0R1501
P0T1700
P0T2801
P0T2802
N0CH40OUT
P0C5701
P0U103
N0CPLL
P0JP201
P0P3015
P0U1040
N0ENABLE
N0ENABLE
N0ENABLE
P0Q101
P0R1901 P0R1902
P0U1036 N0GH1
N0GH1
P0Q201
P0R2201 P0R2202
P0U1030 N0GH2
N0GH2
P0Q404
P0R2401 P0R2402 P0U1025 N0GH3 N0GH3
P0Q504
P0R3301 P0R3302
P0U1019 N0GH4
N0GH4
P0Q108
P0R2001 P0R2002
P0U1038 N0GL1
N0GL1
P0Q208
P0R2101 P0R2102
P0U1032 N0GL2
N0GL2
P0Q304
P0R2301 P0R2302
P0U1027 N0GL3
N0GL3
P0Q604
P0R3201 P0R3202
P0U1021 N0GL4
N0GL4
P0C102
P0C202 P0C20N
P0C302 P0C30N
P0C402
P0C502
P0C602
P0C702 P0C70N
P0C802
P0C902 P0C90N
P0C1002
P0C1202
P0C1302
P0C1402
P0C1502
P0C1602
P0C1702
P0C1802
P0C1902
P0C2102
P0C2202 P0C2402
P0C2602 P0C260N
P0C2702 P0C270N
P0C2802
P0C2902
P0C3002
P0C3102
P0C3202
P0C3302 P0C330N
P0C3402 P0C340N
P0C3502
P0C3602
P0C3702
P0C3802
P0C3902
P0C4002
P0C4102
P0C4202
P0C4302
P0C4402
P0C4502
P0C4602
P0C4702
P0C4802
P0C4902
P0C5002
P0C5102
P0C5202
P0C5302 P0C530N P0C5402
P0C5502
P0C5602
P0C5702
P0C5802
P0C5902
P0C6002
P0C6102
P0C6202
P0D101
P0DS102
P0GND101
P0GND201
P0GND301
P0GND401
P0GND01
P0P101
P0P107 P0P108
P0P1011
P0P1013
P0P1020
P0P202
P0P203
P0P303
P0P305
P0P308
P0P3014
P0Q105
P0Q106
P0Q107
P0Q205
P0Q206
P0Q207
P0Q301 P0Q302 P0Q303
P0Q601 P0Q602 P0Q603
P0R1702 P0R1802
P0R2902
P0R3402
P0T100
P0T400
P0T600
P0T800
P0T1000
P0T1100
P0T1300
P0T1400
P0T1800 P0T1900
P0T2000
P0T2100
P0T2301
P0T2302
P0T2501
P0T2502
P0T2701
P0T2702
P0T2901
P0T2902
P0T3000
P0U102
P0U1017
P0U1022
P0U1028
P0U1033
P0U1039
P0U1042
P0U1045
P0P103
P0P306
P0R350a
P0R4002
N0GPIO0
N0GPIO0
N0GPIO0
N0GPIO0
P0P105
P0P307
P0R360a
P0R4102
N0GPIO1
N0GPIO1
N0GPIO1
N0GPIO1
P0C1701
P0C4401
P0P1014
P0P302
P0U101
N0LDO3V3
N0LDO3V3
N0LDO3V3
N0LDO3V3
P0C1201
P0C1501
P0P1012
P0P301
P0R502
P0R601
P0R2501
P0R2601
P0R2701
P0R2801
P0R3001
P0R3101
P0R4001
P0R4101
P0R4201
P0U1044
N0LDO5
N0LDO5
N0LDO5
N0LDO5
N0LDO5 N0LDO5
N0LDO5
N0LDO5
P0C1102
P0L101 P0Q10MB1
P0R301
P0R701 P0R702
P0U1037 N0LX1
N0LX1
P0C2002
P0L201 P0Q20MB1
P0R801
P0R901 P0R902
P0U1031 N0LX2
N0LX2
P0C2302 P0L301
P0Q305 P0Q306 P0Q307 P0Q308 P0Q30MB P0Q401 P0Q402 P0Q403
P0R1001 P0R1002
P0R1201
P0U1026 N0LX3
N0LX3
P0C2502
P0L401
P0Q501 P0Q502 P0Q503 P0Q60MB P0Q60SL1 P0Q60SL2
P0R1101 P0R1102
P0R1401
P0U1020 N0LX4
N0LX4
P0C501 P0R302 P0C1301 P0R802
P0C2901 P0R1202
P0C3701 P0R1402
P0DS101
P0R4202
P0R4302
P0JP202 P0P1010
P0P106 P0R3102
P0P109 P0R4402
P0P1018 P0T1600
P0P1019
P0R350c P0U109
P0R360c P0U1010
P0R370c P0U1013
P0R380c P0U1014
P0R390c P0U1015
P0P1017
P0P3011
P0R2702
P0R370a
N0PSIO0
N0PSIO0
N0PSIO0
N0PSIO0
P0P1016
P0P3012
P0R2802
P0R380a
N0PSIO1
N0PSIO1
N0PSIO1
N0PSIO1 P0P1015
P0P3013
P0R3002
P0R390a
N0PSIO2
N0PSIO2
N0PSIO2
N0PSIO2
P0P102
P0P3010
P0R2602
P0U1012
N0SCL
N0SCL
N0SCL
N0SCL
P0P104
P0P309
P0R2502
P0U1011
N0SDA
N0SDA
N0SDA
N0SDA
P0C1001
P0C1401
P0C3901
P0R501 P0R1602
P0T500
P0U1041
N0VCC
N0VCC
P0C2201
P0C4001
P0C4101
P0C4201
P0C4601
P0C4901
P0R602 P0T900
P0U1023
P0U1034
N0VCCD
N0VCCD N0VCCD
N0VCCD
P0C401
P0C3801
P0C5101
P0C5401
P0C5501
P0C5601
P0D102
P0GC102
P0GC202
P0GC302
P0GC402
P0P201
P0R1601
P0R4301
P0R4401
P0VIN01
N0VIN
N0VIN
N0VIN
N0VIN
N0VIN
N0VIN
N0VIN
P0C801
P0GC101
P0Q102 P0Q103 P0Q104
P0Q10MB2
N0VIN0CH1
P0C1601
P0GC201
P0Q202 P0Q203 P0Q204
P0Q20MB2
N0VIN0CH2
P0C2101
P0GC301
P0Q405 P0Q406 P0Q407 P0Q408 P0Q40MB
N0VIN0CH3
P0C3001
P0C3101
P0GC401
P0Q50MB P0Q50SL1 P0Q50SL2
N0VIN0CH4
P0C4501
P0R202 P0R1701
P0T200
P0U105 N0VOUT1
N0VOUT1
P0C4801
P0R402 P0R1801
P0T300
P0U106 N0VOUT2
N0VOUT2
P0C4701
P0R1302 P0R2901
P0T1200
P0U107 N0VOUT3
N0VOUT3
P0C5001
P0R1502 P0R3401
P0T1500
P0U108 N0VOUT4
N0VOUT4
N05VEXT
P0C4301
P0C6201
P0JP102
P0R102
P0T700
P0U1043
N0AVDD
P0C1801
P0C1901
P0C2401
P0P304
P0U104
P0U1016
N0BST1
P0C1101
P0U1035
N0BST2
P0C2001
P0U1029
N0BST3
P0C2301
P0U1024
N0BST4
P0C2501
P0U1018
N0CH10OUT
P0C101
P0C201 P0C20P
P0C301 P0C30P
P0C6001
P0JP101
P0L102
P0OUT101
P0R101
P0R201
P0T2201
P0T2202
N0CH20OUT
P0C601
P0C701 P0C70P
P0C901 P0C90P
P0C6101
P0L202
P0OUT201
P0R401
P0T2401
P0T2402
N0CH30OUT
P0C2601 P0C260P
P0C2701 P0C270P
P0C2801
P0C5201
P0C5901
P0L302
P0OUT301
P0R1301
P0T2601
P0T2602
N0CH40OUT
P0C3201
P0C3301 P0C330P
P0C3401 P0C340P
P0C3501
P0C3601
P0C5301 P0C530P
P0C5801
P0L402
P0OUT401
P0R1501
P0T1700
P0T2801
P0T2802
N0CPLL
P0C5701
P0U103
N0ENABLE
P0JP201
P0P3015
P0U1040
N0GH1
P0Q101
P0R1901 P0R1902
P0U1036
N0GH2
P0Q201
P0R2201 P0R2202
P0U1030
N0GH3 P0Q404
P0R2401 P0R2402 P0U1025
N0GH4
P0Q504
P0R3301 P0R3302
P0U1019
N0GL1
P0Q108
P0R2001 P0R2002
P0U1038
N0GL2
P0Q208
P0R2101 P0R2102
P0U1032
N0GL3
P0Q304
P0R2301 P0R2302
P0U1027
N0GL4
P0Q604
P0R3201 P0R3202
P0U1021
P0C102
P0C202 P0C20N
P0C302 P0C30N
P0C402
P0C502
P0C602
P0C702 P0C70N
P0C802
P0C902 P0C90N
P0C1002
P0C1202
P0C1302
P0C1402
P0C1502
P0C1602
P0C1702
P0C1802
P0C1902
P0C2102
P0C2202 P0C2402
P0C2602 P0C260N
P0C2702 P0C270N
P0C2802
P0C2902
P0C3002
P0C3102
P0C3202
P0C3302 P0C330N
P0C3402 P0C340N
P0C3502
P0C3602
P0C3702
P0C3802
P0C3902
P0C4002
P0C4102
P0C4202
P0C4302
P0C4402
P0C4502
P0C4602
P0C4702
P0C4802
P0C4902
P0C5002
P0C5102
P0C5202
P0C5302 P0C530N P0C5402
P0C5502
P0C5602
P0C5702
P0C5802
P0C5902
P0C6002
P0C6102
P0C6202
P0D101
P0DS102
P0GND101
P0GND201
P0GND301
P0GND401
P0GND01
P0P101
P0P107 P0P108
P0P1011
P0P1013
P0P1020
P0P202
P0P203
P0P303
P0P305
P0P308
P0P3014
P0Q105
P0Q106
P0Q107
P0Q205
P0Q206
P0Q207
P0Q301 P0Q302 P0Q303
P0Q601 P0Q602 P0Q603
P0R1702 P0R1802
P0R2902
P0R3402
P0T100
P0T400
P0T600
P0T800
P0T1000
P0T1100
P0T1300
P0T1400
P0T1800 P0T1900
P0T2000
P0T2100
P0T2301
P0T2302
P0T2501
P0T2502
P0T2701
P0T2702
P0T2901
P0T2902
P0T3000
P0U102
P0U1017
P0U1022
P0U1028
P0U1033
P0U1039
P0U1042
P0U1045
N0GPIO0
P0P103
P0P306
P0R350a
P0R4002
N0GPIO1
P0P105
P0P307
P0R360a
P0R4102
N0LDO3V3
P0C1701
P0C4401
P0P1014
P0P302
P0U101
N0LDO5
P0C1201
P0C1501
P0P1012
P0P301
P0R502
P0R601
P0R2501
P0R2601
P0R2701
P0R2801
P0R3001
P0R3101
P0R4001
P0R4101
P0R4201
P0U1044
N0LX1
P0C1102
P0L101 P0Q10MB1
P0R301
P0R701 P0R702
P0U1037
N0LX2
P0C2002
P0L201 P0Q20MB1
P0R801
P0R901 P0R902
P0U1031
N0LX3
P0C2302 P0L301
P0Q305 P0Q306 P0Q307 P0Q308 P0Q30MB P0Q401 P0Q402 P0Q403
P0R1001 P0R1002
P0R1201
P0U1026
N0LX4
P0C2502
P0L401
P0Q501 P0Q502 P0Q503 P0Q60MB P0Q60SL1 P0Q60SL2
P0R1101 P0R1102
P0R1401
P0U1020
P0C501 P0R302 P0C1301 P0R802
P0C2901 P0R1202
P0C3701 P0R1402
P0DS101
P0R4202
P0R4302
P0JP202 P0P1010
P0P106 P0R3102
P0P109 P0R4402
P0P1018 P0T1600
P0P1019
P0R350c P0U109
P0R360c P0U1010
P0R370c P0U1013
P0R380c P0U1014
P0R390c P0U1015
N0PSIO0
P0P1017
P0P3011
P0R2702
P0R370a
N0PSIO1
P0P1016
P0P3012
P0R2802
P0R380a
N0PSIO2
P0P1015
P0P3013
P0R3002
P0R390a
N0SCL P0P102
P0P3010
P0R2602
P0U1012
N0SDA P0P104
P0P309
P0R2502
P0U1011
N0VCC
P0C1001
P0C1401
P0C3901
P0R501 P0R1602
P0T500
P0U1041
N0VCCD
P0C2201
P0C4001
P0C4101
P0C4201
P0C4601
P0C4901
P0R602 P0T900
P0U1023
P0U1034
N0VIN
P0C401
P0C3801
P0C5101
P0C5401
P0C5501
P0C5601
P0D102
P0GC102
P0GC202
P0GC302
P0GC402
P0P201
P0R1601
P0R4301
P0R4401
P0VIN01
N0VIN0CH1
P0C801
P0GC101
P0Q102 P0Q103 P0Q104
P0Q10MB2
N0VIN0CH2
P0C1601
P0GC201
P0Q202 P0Q203 P0Q204
P0Q20MB2
N0VIN0CH3
P0C2101
P0GC301
P0Q405 P0Q406 P0Q407 P0Q408 P0Q40MB
N0VIN0CH4
P0C3001
P0C3101
P0GC401
P0Q50MB P0Q50SL1 P0Q50SL2
N0VOUT1 P0C4501
P0R202 P0R1701
P0T200
P0U105
N0VOUT2 P0C4801
P0R402 P0R1801
P0T300
P0U106
N0VOUT3
P0C4701
P0R1302 P0R2901
P0T1200
P0U107
N0VOUT4
P0C5001
P0R1502 P0R3401
P0T1500
P0U108
EVALUATION BOARD SCHEMATICS
9/19
X
XR
RP
P7
77
72
24
4/
/7
77
72
25
5E
EV
VB
B-
-D
DE
EM
MO
O-
-
2
2
Q
Qu
ua
ad
d
C
Ch
ha
an
nn
ne
el
l
D
Di
ig
gi
it
ta
al
l
P
PW
WM
M/
/P
PF
FM
M
D
De
em
mo
o
B
Bo
oa
ar
r
d
d
P
Pr
ro
og
gr
ra
am
mm
ma
ab
bl
le
e
P
Po
ow
we
er
r
M
Ma
an
na
ag
ge
em
me
en
nt
t
S
Sy
ys
st
te
e
m
m
© 2014 Exar Corporation 10/19 Rev. 1.0.0
BILL OF MATERIAL
Ref. Qty
Manufacturer Part Nu mber Size Component
1 Exar Corpora tion
146-6708-01 4.05x2.70in PCB
U1 1 Exar Corpora tion
XRP7724/XRP7725 TQFN44 2nd Generation 4Ch.
Sw. Controller
Q1,Q2 2 Fairchild FDMC8200 Powe r 33 Dual N-Channel Powe r
Trench MOSFET
Q3 1 Fairchild FDMC7660 Powe r 33 N-Channel Power
Trench MOSFET
Q4 1 Fairchild FDMC8882 MLP 3.3X3 .3 N-Channe l Po w er
Trench MOSFET
Q5 1 Vishay Siliconix SIR474DP PowerPAK
SO-8 N-Ch. 30-V (D-S)
MOSFET
Q6 1 Fairchild FDMS7560S Po wer 56 N-Channel Pow er
Trench SyncFET
L1 1 Wurth Elek tro nik
744314490 7.0x6.9mm Inductor 4.9uH,
14.5mΩ, 6.5A
L2 1 Wurth Elek tro nik
744314330 7.0x6.9mm Inductor 3.3uH,
9.0mΩ, 9.0A
L3 1 Wurth Elek tro nik
744314200 7.0x6.9mm Inductor 2.0uH,
5.85mΩ, 11.5A
L4 1 Wurth Elek tro nik
7443551130 13.2X12.8mm
Induc tor 1 .3uH,
1.8mΩ, 25A
C1, C6, C28, C36 4 Murata
Corporation GRM21BR71H105KA12L 0805 Ceramic Capacitor 1µF,
50V, X7R
C2, C3, C7, C 9, C32, C52 6 Murata
Corporation GRM32ER71A476KE15L 1210 Ceramic Capac itor
47µF, 10V, X7R
C4 1 Panasonic/Sanyo
35SVPF120M F12 OSCON Capacitor
120µ F, 35 V
C8, C16, C2 1, C30, C31 5 Murata
Corporation GRM32ER71H106KA12L 1210 Ceramic Capac itor
10µF, 50V, X7R
C10 1 Murata
Corporation GRM188R71H222KA01D
0603 Ceramic Capacitor
2200pF, 50V, X7R
C11, C20, C23, C25 , C45 , C47 ,
C48, C50 8 Murata
Corporation GRM188R71H104KA93D
0603 Ceramic Capacitor
0.1µF, 50V, X7R
C12, C18, C42, C49 4 Murata
Corporation GRM21BR71C475KA73 0805 Ceramic Capacitor
4.7µF, 16V, X7R
C14, C15, C17, C19 , C22 , C40 ,
C41, C43, C46 9 Murata
Corporation GRM188R71H103KA01D
0603 Ceramic Capacitor
0.01µF, 50V, X7R
X
XR
RP
P7
77
72
24
4/
/7
77
72
25
5E
EV
VB
B-
-D
DE
EM
MO
O-
-
2
2
Q
Qu
ua
ad
d
C
Ch
ha
an
nn
ne
el
l
D
Di
ig
gi
it
ta
al
l
P
PW
WM
M/
/P
PF
FM
M
D
De
em
mo
o
B
Bo
oa
ar
r
d
d
P
Pr
ro
og
gr
ra
am
mm
ma
ab
bl
le
e
P
Po
ow
we
er
r
M
Ma
an
na
ag
ge
em
me
en
nt
t
S
Sy
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st
te
e
m
m
© 2014 Exar Corporation 11/19 Rev. 1.0.0
Ref. Qty
Manufacturer Part Nu mber Size Component
C24 1 Murata
Corporation GRM155R71H103KA88D
0402 Ceramic Capacitor
0.01µF, 50V, X7R
C26, C33, C53 3 Panasonic/Sanyo
6TPF330M9L 7343 D3L POSCAP Capacitor
330µ F, 6. 3V, 9mΩ
C39 1 TDK Corp or ation
C3216X7R1V106K160AC
1206 Ceramic Capacitor
10µF, 35V, X7R
C44 1 Murata
Corporation GRM21BR71C225KA12L 0805 Ceramic Capac itor
2.2µF, 16V, X7R
GC1, GC2 2 Vishay Dale CRCW12060000Z0EAHP 1206 RES 0Ω, 1/2W, SMD
GC3, GC4 2 Vishay Dale CRCW12100000Z0EA 1210 RES 0Ω, 1/2W, SMD
R6 1 Panasonic ERJ-3RQF2R2V 0603 RES 2. 2Ω, 1/10W, 1%,
SMD
R16, R35, R 36, R37, R38, R3 9 6 Panasonic ERJ-6GEY0R00V 0805 RES 0Ω, 1/8W, SMD
JP1, JP2 2 Wurth Elek tro nik
61300211121 0.20x0.10in
Connec tor , Male
Header, 2 Positions,
100mil Spac i ng ,
Vertic al , TH
P1 1 Sullins
Connector
Solutions
SFH11-PBPC-D10-RA-
BK 1.20x0.55in Connector, Female
Header, 20 Positions,
100mil Spac i ng , RA , TH
P2 1 Switchcraft RAPC722X 0.60x0.40in Connector, Power Jack
Mini R/A, T/H
P3 1 Wurth Elektronik
61301511121 1.50x0.10in
Connec tor , Male
Header, 15 Positions,
100mil Spac i ng ,
Vertic al , TH
T1, T4, T8, T10, T13, T30 6 Wurth Elek tro nik
61300111121 0.10x0.10in Square Test Po s ts , TH
T22, T23, T24, T25, T26, T27,
T28, T29 8 W ur th El e k tro nik
7471287 0.32x0.10in Mounting Tabs
GND, OUT1, OUT2, OUT3, OUT4,
VIN 6 Vector
Electronics K30C/M Round Tes t Posts , TH
X
XR
RP
P7
77
72
24
4/
/7
77
72
25
5E
EV
VB
B-
-D
DE
EM
MO
O-
-
2
2
Q
Qu
ua
ad
d
C
Ch
ha
an
nn
ne
el
l
D
Di
ig
gi
it
ta
al
l
P
PW
WM
M/
/P
PF
FM
M
D
De
em
mo
o
B
Bo
oa
ar
r
d
d
P
Pr
ro
og
gr
ra
am
mm
ma
ab
bl
le
e
P
Po
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we
er
r
M
Ma
an
na
ag
ge
em
me
en
nt
t
S
Sy
ys
st
te
e
m
m
© 2014 Exar Corporation 12/19 Rev. 1.0.0
EVALUATION BOARD LAYOUT
Figure 3 Component Placement – Top S i de
X
XR
RP
P7
77
72
24
4/
/7
77
72
25
5E
EV
VB
B-
-D
DE
EM
MO
O-
-
2
2
Q
Qu
ua
ad
d
C
Ch
ha
an
nn
ne
el
l
D
Di
ig
gi
it
ta
al
l
P
PW
WM
M/
/P
PF
FM
M
D
De
em
mo
o
B
Bo
oa
ar
r
d
d
P
Pr
ro
og
gr
ra
am
mm
ma
ab
bl
le
e
P
Po
ow
we
er
r
M
Ma
an
na
ag
ge
em
me
en
nt
t
S
Sy
ys
st
te
e
m
m
© 2014 Exar Corporation 13/19 Rev. 1.0.0
Figure 4 Layout – Top Layer
X
XR
RP
P7
77
72
24
4/
/7
77
72
25
5E
EV
VB
B-
-D
DE
EM
MO
O-
-
2
2
Q
Qu
ua
ad
d
C
Ch
ha
an
nn
ne
el
l
D
Di
ig
gi
it
ta
al
l
P
PW
WM
M/
/P
PF
FM
M
D
De
em
mo
o
B
Bo
oa
ar
r
d
d
P
Pr
ro
og
gr
ra
am
mm
ma
ab
bl
le
e
P
Po
ow
we
er
r
M
Ma
an
na
ag
ge
em
me
en
nt
t
S
Sy
ys
st
te
e
m
m
© 2014 Exar Corporation 14/19 Rev. 1.0.0
Figure 5 Layout – Bottom Layer
X
XR
RP
P7
77
72
24
4/
/7
77
72
25
5E
EV
VB
B-
-D
DE
EM
MO
O-
-
2
2
Q
Qu
ua
ad
d
C
Ch
ha
an
nn
ne
el
l
D
Di
ig
gi
it
ta
al
l
P
PW
WM
M/
/P
PF
FM
M
D
De
em
mo
o
B
Bo
oa
ar
r
d
d
P
Pr
ro
og
gr
ra
am
mm
ma
ab
bl
le
e
P
Po
ow
we
er
r
M
Ma
an
na
ag
ge
em
me
en
nt
t
S
Sy
ys
st
te
e
m
m
© 2014 Exar Corporation 15/19 Rev. 1.0.0
Figure 6 Layout – Middle Layer 1
X
XR
RP
P7
77
72
24
4/
/7
77
72
25
5E
EV
VB
B-
-D
DE
EM
MO
O-
-
2
2
Q
Qu
ua
ad
d
C
Ch
ha
an
nn
ne
el
l
D
Di
ig
gi
it
ta
al
l
P
PW
WM
M/
/P
PF
FM
M
D
De
em
mo
o
B
Bo
oa
ar
r
d
d
P
Pr
ro
og
gr
ra
am
mm
ma
ab
bl
le
e
P
Po
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we
er
r
M
Ma
an
na
ag
ge
em
me
en
nt
t
S
Sy
ys
st
te
e
m
m
© 2014 Exar Corporation 16/19 Rev. 1.0.0
Figure 7 Layout – Signal Ground Plane
1
1
2
2
3
3
4
4
5
5
6
6
D D
C C
B B
A A
1
EXAR
48720 Kato Road
Fremont, CA 94538
www.exar.com
1
XRP2ARDEVB-INT-1
10/29/2013 12:07:02 PM
J:\Apps_Simo\XRP2ARDEVB-INT-1\board\XRP2ARDUINO_Interface.SchDoc
Title:
Size: Name:
Date:
File:
Rev:
Sheet of
Time:
B2.0
XRP2ARDUINO_Interface.SchDoc
SDA
SCL
ENABLE
GND
GND
GPIO0
GPIO1
PSIO0
PSIO2PSIO1
VIN_BOARD
LDO5
LDO3V3
I2C_POWER
VIN
1
2
JP1
1
2
JP3
1
2
JP2
DNS
0805
R10
DNS
0805
R12
DNS
0805
R11
+5V T22
1
2
3
4
5
6
7
8
9
10
P_IOH1
Header 1X10 female H8.5mm
1
2
3
4
5
6
7
8
P_POWER1
Header 1X8 female H8.5mm
RESET
+3V3
+5V
GND
1
2
3
4
5
6
P_AD1
Header 1X6 female H8.5mm
1
2
3
4
5
6
7
8
P_IOL1
Header 1X8 female H8.5mm
SCL
SDA
RXD
TXD
AREF
GND
SCL
SDA
GPIO0
GPIO1
PSIO0_uC
PSIO1_uC
PSIO2_uC
ENABLE
1
2
3
JP7
SCL
I2C_POWER +5V
1
2
3
JP6
SDA
I2C_POWER +5V
SDA
SCL
ENABLE_L VIN_L
GND
VIN
1
2
JP4
DNS
0805
R13
ENABLE_L
SDA
SCL
GND
1
2
3
4
P2
T25 T23T24
GND
10V
22uF
C1
10V
22uF
C2
GND GND
10V
22uF
C3
10V
22uF
C4
GND GND
T20
T9
T12
T14
T16 I2C_POWER
T8
T18
T19
1 2
3 4
5 6
7 8
910
CON5
T21
T7
T10
T11
T13
T15
T17
T6
T1
T2
T3
T4
T5
GNDGND
12
DS2
12
DS1
GND
+5V
PRGM_ERRORPRGM_DONE
PRGM_INIT
DNS
0805
C5
1.2K
0805
R3
1.2K
0805
R2
DNS
0805
R14
DNS
0805
R15
0805
4.7k
R8
0805
4.7k
R7
0805
4.7k
R4
12
34
56
78
910
1112
1314
1516
1718
1920
P1
Header 2X10 shrouded male
T26 GND
1 3
42
SW1
1
2
JP5
0
0805
R9
PSIO0_uC PSIO0
PSIO1_uC PSIO1
PSIO2_uC PSIO2
0
0805
R5
0
0805
R6
0
0805
R1
T27
T29
T28
P0C101 P0C102
P0C201 P0C202
P0C301 P0C302
P0C401 P0C402
P0C501 P0C502
P0CON501 P0CON502
P0CON503 P0CON504
P0CON505 P0CON506
P0CON507 P0CON508
P0CON509 P0CON5010
P0DS101
P0DS102
P0DS201
P0DS202
P0JP101
P0JP102
P0JP201
P0JP202
P0JP301
P0JP302
P0JP401
P0JP402
P0JP501
P0JP502
P0JP601
P0JP602
P0JP603
P0JP701
P0JP702
P0JP703
P0P101 P0P102
P0P103 P0P104
P0P105 P0P106
P0P107 P0P108
P0P109 P0P1010
P0P1011 P0P1012
P0P1013 P0P1014
P0P1015 P0P1016
P0P1017 P0P1018
P0P1019 P0P1020
P0P201
P0P202
P0P203
P0P204
P0P0AD101
P0P0AD102
P0P0AD103
P0P0AD104
P0P0AD105
P0P0AD106
P0P0IOH101
P0P0IOH102
P0P0IOH103
P0P0IOH104
P0P0IOH105
P0P0IOH106
P0P0IOH107
P0P0IOH108
P0P0IOH109
P0P0IOH1010
P0P0IOL101
P0P0IOL102
P0P0IOL103
P0P0IOL104
P0P0IOL105
P0P0IOL106
P0P0IOL107
P0P0IOL108
P0P0POWER101
P0P0POWER102
P0P0POWER103
P0P0POWER104
P0P0POWER105
P0P0POWER106
P0P0POWER107
P0P0POWER108
P0R101 P0R102
P0R201 P0R202
P0R301 P0R302
P0R401 P0R402
P0R501 P0R502
P0R601 P0R602
P0R701 P0R702
P0R801 P0R802
P0R901 P0R902
P0R1001 P0R1002
P0R1101 P0R1102
P0R1201 P0R1202
P0R1301 P0R1302
P0R1401 P0R1402
P0R1501 P0R1502
P0SW101
P0SW102
P0SW103
P0SW104
P0T100
P0T200
P0T300
P0T400
P0T500
P0T600
P0T700
P0T800
P0T900
P0T1000
P0T1100 P0T1200
P0T1300 P0T1400
P0T1500 P0T1600
P0T1700
P0T1800
P0T1900
P0T2000
P0T2100
P0T2200
P0T2300 P0T2400 P0T2500
P0T2600
P0T2700
P0T2800
P0T2900
P0P0POWER104 N0+3V3
P0C301
P0C401
P0JP301
P0JP603
P0JP703
P0P0POWER102
P0P0POWER105
P0R401
P0R1201
N0+5V
N0+5V
N0+5V
N0+5V
N0+5V
P0P0IOH108
N0AREF
P0P1010
P0P0IOL108 P0T700 N0ENABLE
N0ENABLE
P0JP502
P0P0IOH101 P0T600 N0ENABLE0L
N0ENABLE0L
P0C102
P0C202
P0C302
P0C402
P0C502
P0CON502
P0CON508
P0DS102
P0DS202
P0P101
P0P107 P0P108
P0P1011
P0P1013
P0P1020
P0P202
P0P0IOH107
P0P0POWER106
P0P0POWER107
P0SW104
P0T2400
P0T2600
P0P103
P0P0IOL103 P0T1700 N0GPIO0
N0GPIO0
P0P105
P0P0IOL104 P0T1500 N0GPIO1
N0GPIO1
P0C101
P0C201
P0JP101
P0JP601
P0JP701
P0R902
P0R1001
N0I2C0POWER
N0I2C0POWER
N0I2C0POWER
N0I2C0POWER
P0P1014 P0T2000
P0T2100
N0LDO3V3
P0JP302
P0P1012
P0R1202
N0LDO5
P0CON504
P0CON505 P0CON506
P0CON507
P0CON509
P0JP501
P0JP102
P0P106 P0R1002
P0JP602 P0R801
P0JP702 P0R701
P0P1018 P0T2200
P0P1019
P0P204
P0P0AD101 P0T1200
P0P0AD102 P0T1400
P0P0AD103 P0T1600
P0P0AD104 P0R901
P0P0AD105
P0R1401
P0T1800
P0P0AD106
P0R1501
P0T1900
P0P0IOH102 P0T500
P0P0IOH103
P0R301
P0T400
P0P0IOH104
P0R201
P0T300
P0P0IOH106 P0T100
P0P0POWER101
P0P0POWER108 P0T900
P0SW101
P0SW102
P0DS201
P0R302
N0PRGM0DONE
P0DS101 P0R202
N0PRGM0ERROR
P0C501
P0P0IOH105
P0R402
P0SW103
P0T200
N0PRGM0INIT
P0P1017
P0R502
P0T2700
N0PSIO0
N0PSIO0
P0P0IOL105
P0R501
P0T1300 N0PSIO00UC
N0PSIO00UC
P0P1016
P0R602 P0T2800
N0PSIO1
N0PSIO1
P0P0IOL106
P0R601
P0T1100 N0PSIO10UC
N0PSIO10UC
P0P1015
P0R102
P0T2900
N0PSIO2
N0PSIO2
P0P0IOL107
P0R101
P0T1000 N0PSIO20UC
N0PSIO20UC
P0P0POWER103 N0RESET
P0P0IOL101
N0RXD
P0CON501
P0P102
P0P201
P0P0IOH1010
P0R702
P0R1502
P0T2300 N0SCL
N0SCL
N0SCL
N0SCL
N0SCL
N0SCL
P0CON503
P0P104
P0P203
P0P0IOH109
P0R802
P0R1402
P0T2500
N0SDA
N0SDA
N0SDA
N0SDA
N0SDA
N0SDA
P0P0IOL102
N0TXD
P0JP201 P0JP401
P0R1102
P0R1302 P0T800
N0VIN
N0VIN
P0JP202
P0P109 P0R1101
N0VIN0BOARD
P0CON5010
P0JP402
P0R1301
N0VIN0L
N0+3V3
P0P0POWER104
N0+5V
P0C301
P0C401
P0JP301
P0JP603
P0JP703
P0P0POWER102
P0P0POWER105
P0R401
P0R1201
N0AREF P0P0IOH108
N0ENABLE
P0P1010
P0P0IOL108 P0T700
N0ENABLE0L
P0JP502
P0P0IOH101 P0T600
P0C102
P0C202
P0C302
P0C402
P0C502
P0CON502
P0CON508
P0DS102
P0DS202
P0P101
P0P107 P0P108
P0P1011
P0P1013
P0P1020
P0P202
P0P0IOH107
P0P0POWER106
P0P0POWER107
P0SW104
P0T2400
P0T2600
N0GPIO0
P0P103
P0P0IOL103 P0T1700
N0GPIO1
P0P105
P0P0IOL104 P0T1500
N0I2C0POWER
P0C101
P0C201
P0JP101
P0JP601
P0JP701
P0R902
P0R1001
N0LDO3V3 P0P1014 P0T2000
P0T2100
N0LDO5
P0JP302
P0P1012
P0R1202
P0CON504
P0CON505 P0CON506
P0CON507
P0CON509
P0JP501
P0JP102
P0P106 P0R1002
P0JP602 P0R801
P0JP702 P0R701
P0P1018 P0T2200
P0P1019
P0P204
P0P0AD101 P0T1200
P0P0AD102 P0T1400
P0P0AD103 P0T1600
P0P0AD104 P0R901
P0P0AD105
P0R1401
P0T1800
P0P0AD106
P0R1501
P0T1900
P0P0IOH102 P0T500
P0P0IOH103
P0R301
P0T400
P0P0IOH104
P0R201
P0T300
P0P0IOH106 P0T100
P0P0POWER101
P0P0POWER108 P0T900
P0SW101
P0SW102
N0PRGM0DONE
P0DS201
P0R302
N0PRGM0ERROR
P0DS101 P0R202
N0PRGM0INIT
P0C501
P0P0IOH105
P0R402
P0SW103
P0T200
N0PSIO0
P0P1017
P0R502
P0T2700
N0PSIO00UC P0P0IOL105
P0R501
P0T1300
N0PSIO1
P0P1016
P0R602 P0T2800
N0PSIO10UC P0P0IOL106
P0R601
P0T1100
N0PSIO2
P0P1015
P0R102
P0T2900
N0PSIO20UC P0P0IOL107
P0R101
P0T1000
N0RESET
P0P0POWER103
N0RXD P0P0IOL101
N0SCL P0CON501
P0P102
P0P201
P0P0IOH1010
P0R702
P0R1502
P0T2300
N0SDA
P0CON503
P0P104
P0P203
P0P0IOH109
P0R802
P0R1402
P0T2500
N0TXD P0P0IOL102
N0VIN
P0JP201 P0JP401
P0R1102
P0R1302 P0T800
N0VIN0BOARD
P0JP202
P0P109 P0R1101
N0VIN0L
P0CON5010
P0JP402
P0R1301
APPENDIX I – XR77EVB-INT-1 ARDUINO CONTROLLER INTERFACE BOARD SCHEMATICS
17/19
X
XR
RP
P7
77
72
24
4/
/7
77
72
25
5E
EV
VB
B-
-D
DE
EM
MO
O-
-
2
2
Q
Qu
ua
ad
d
C
Ch
ha
an
nn
ne
el
l
D
Di
ig
gi
it
ta
al
l
P
PW
WM
M/
/P
PF
FM
M
D
De
em
mo
o
B
Bo
oa
ar
r
d
d
P
Pr
ro
og
gr
ra
am
mm
ma
ab
bl
le
e
P
Po
ow
we
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M
Ma
an
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en
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t
S
Sy
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© 2014 Exar Corporation 18/19 Rev. 1.0.0
BILL OF MATERIAL - XR77EVB-INT-1 ARDUINO CONTROLLER INTERFACE BOARD
Ref. Qty Manufacturer Par t Numbe r Size Component
1 Exar Corporation 146-6703-01 4.40x2.10 PCB
DS1 1 Wurth Elektronik 150120RS75000 1206 SMD Red Chip LED
DS2 1 Wurth Elektro ni k 150120VS75000 1206 SMD Green Chip LED
C1, C2, C3, C4 4 Vishay Sprague 293D226X9010B2TE3 B Tantalum Capac itor 22µF,
10V, 10%
R1, R5, R6, R9 4 Panasonic ERJ-6GEY0R00V 0805 RES 0 Ω, 1/8W, 5% SMD
R2, R3 2 Panasonic ERJ-6GEYJ122V 0805 RE S 1. 2kΩ, 1/8W, 5%, SMD
R4, R7, R8 3 Panasonic ERJ-6GEYJ472V 0805 RES 4.7kΩ, 1/8W, 5%, SMD
SW1 1 Wurth Elektro ni k 430182050816 6x6mm Tact Switch, SMD
CON5 1 Wurth Ele k tronik 61301021121 0.50x0.20in Connector, Male Head er , 10
Positions, Dual Row, 100mil
Spacing, Vertical, TH
JP1, JP2, JP3, JP4, JP5 5 Wurth Elek tro nik 61300211121 0.20x0.10in Conne c tor , Ma le Header, 2
Positions , 100mil Spacing,
Vertic al , TH
JP6, JP7 2 Wurth Ele ktronik 61300311121 0.30x0.10in C onnector, Male Header, 3
Positions , 100mil Spacing,
Vertic al , TH
P1 1 Wurth Elektro ni k 612020235221 1.20x0.55in Co nne c tor , Male Header, 20
Positions, Dual Row, 100mil
Spacing, Shrouded, RA, TH
P2 1 Wurth Elektro ni k 653104124022 11x6mm Wire-to-Board Connector ,
Male, 4 Positio ns , 1.25mm
Spacing, Shrouded, SMT
P_IOH1 1 Wurth Elektroni k 61301011121 1.00x0.10in Connec tor , Male Header, 10
Positions , 100mil Spacing,
Vertic al , TH
P_POWER1 , P_IO L1 2 Wurth Elektro ni k 61300811121 0.80x0.10in Connec tor , Mal e Head er , 8
Positions , 100mil Spacing,
Vertic al , TH
P_AD1 1 Wurth Elektronik 61300611121 0.60x0.10in C onnector, Male Header, 6
Positions , 100mil Spacing,
Vertic al , TH
T23, T24, T25 3 Wurth Elektronik 61300111121 0.10x0.10in S quare Test Posts , TH
X
XR
RP
P7
77
72
24
4/
/7
77
72
25
5E
EV
VB
B-
-D
DE
EM
MO
O-
-
2
2
Q
Qu
ua
ad
d
C
Ch
ha
an
nn
ne
el
l
D
Di
ig
gi
it
ta
al
l
P
PW
WM
M/
/P
PF
FM
M
D
De
em
mo
o
B
Bo
oa
ar
r
d
d
P
Pr
ro
og
gr
ra
am
mm
ma
ab
bl
le
e
P
Po
ow
we
er
r
M
Ma
an
na
ag
ge
em
me
en
nt
t
S
Sy
ys
st
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m
© 2014 Exar Corporation 19/19 Rev. 1.0.0
DOCUMENT REVISION HISTORY
Revision Date Description
1.0.0 05/12/2014 Initial release of docume nt
BOARD REVISION HISTORY
Board Revision Date Description
XRP7724/7725EVB-
DEMO-2-01 05/12/14 Initial release of the evaluatio n b oard
FOR FURTHER ASSISTANCE
Email: customersupport@exar.com
powertechsupport@exar.com
Exar Technical Documentation: http://www.exar.com/TechDoc/default.aspx?
EXAR CORPORATION
HEADQUARTERS AND SALES OFFICES
48720 Kato Road
Fremont, CA 94538 – USA
Tel.: +1 (510) 668-7000
Fax: +1 (510) 668-7030
www.exar.com
NOTICE
EXAR Corporation reserves the right to make changes to the products contained in this publication in order to improve
desig n, performance or reliability. EXAR Corporatio n assumes no responsib ility for the use of any circuits d escribed herein,
conveys no license under any patent or other right, and makes no representation that the circuits are free of patent
infringement. Charts and schedules contained here in are only for illustration purposes and may vary depending upon a
user’s specific ap plication. While the informatio n in this publicatio n has been carefully check ed; no responsibility, however,
is assumed for inaccuracies.
EXAR Corporation does not recommend the use of any of its products in life support applications where the failure or
malfunctio n of the prod uc t c an re as o nably be expected to cause failure of the lif e sup port s y s te m or to s ignificantly affect its
safety or effectiveness. Products are not authorized for use in such applications unless EXAR Corporation receives, in
writing, assurances to its satisfaction that: (a) the risk of injury or damage has been minimized; (b) the user assumes all
such risks ; (c ) potential lia b ility of EXAR Corpor ation is adequately pro te c ted under the circums ta nc e s .
Reprod uc tio n, in par t or whole, without the prior writte n co nsent of EXAR Corporation is prohibite d .
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Authorized Distributor
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