SI8233BB-D-YS1R - SILICON LABS

Si823x Data Sheet

0.5 and 4.0 Amp ISOdrivers (2.5 and 5 kVRMS)

The Si823x isolated driver family combines two independent, isolated drivers into a

single package. The Si8230/1/3/4 are high-side/low-side drivers, and the

Si8232/5/6/7/8 are dual drivers. Versions with peak output currents of 0.5 A

(Si8230/1/2/7) and 4.0 A (Si8233/4/5/6/8) are available. All drivers operate with a max-

imum supply voltage of 24 V.

The Si823x drivers utilize Silicon Labs' proprietary silicon isolation technology, which

provides up to 5 kVRMS withstand voltage per UL1577 and fast 60 ns propagation

times. Driver outputs can be grounded to the same or separate grounds or connected

to a positive or negative voltage. The TTL level compatible inputs with >400 mV hyste-

resis are available in individual control input (Si8230/2/3/5/6/7/8) or PWM input

(Si8231/4) configurations. High integration, low propagation delay, small installed size,

flexibility, and cost-effectiveness make the Si823x family ideal for a wide range of iso-

lated MOSFET/IGBT gate drive applications.

KEY FEATURES

• Two completely isolated drivers in one

package

• Up to 5 kVRMS input-to-output isolation

• Up to 1500 VDC peak driver-to-driver

differential voltage

• HS/LS and dual driver versions

• Up to 8 MHz switching frequency

• 0.5 A peak output (Si8230/1/2/7)

• 4.0 A peak output (Si8233/4/5/6/8)

• High electromagnetic immunity

Applications

• Power delivery systems

• Motor control systems

• Isolated dc-dc power supplies

• Lighting control systems

• Plasma displays

• Solar and industrial inverters

Safety Approval

• UL 1577 recognized

• Up to 5000 Vrms for 1 minute

• CSA component notice 5A approval

• IEC 60950-1, 61010-1, 60601-1

(reinforced insulation)

• VDE certification conformity

• IEC 60747-5-5 (VDE 0884 Part 5)

• EN 60950-1 (reinforced insulation)

• CQC certification approval

• GB4943.1

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1. Feature List

The Si823x highlighted features are listed below.

• Two completely isolated drivers in one package:

• Up to 5 kVRMS input-to-output isolation

• Up to 1500 VDC peak driver-to-driver differential voltage

• HS/LS and dual driver versions

• Up to 8 MHz switching frequency

• 0.5 A peak output (Si8230/1/2/7)

• 4.0 A peak output (Si8233/4/5/6/8)

• High electromagnetic immunity

• 60 ns propagation delay (max)

• Independent HS and LS inputs or PWM input versions

• Transient immunity > 45 kV/µs

• Overlap protection and programmable dead time

• AEC-Q100 qualification

• Wide operating range:

• –40 to +125 °C

• RoHS-compliant packages:

• SOIC-16 wide body

• SOIC-16 narrow body

• LGA-14

Si823x Data Sheet

Feature List

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2. Ordering Guide

Table 2.1. Si823x Ordering Guide 1, 2

Ordering Part

Number (OPN)

Inputs Configuration Peak Current UVLO Voltage Isolation

Rating

Temp

Range

Package

Type

Legacy Or-

dering Part

Number

(OPN)

2.5 kV Only

Wide Body (WB) Package Options

Si8230BB-D-IS VIA, VIB High Side/

Low Side

0.5 A 8 V 2.5

kVrms

–40 to

+125 °C

SOIC-16

Wide Body

Si8230-A-IS

Si8231BB-D-IS PWM High Side/

Low Side

Si8231-A-IS

Si8232BB-D-IS VIA,VIB Dual Driver Si8232-A-IS

Si8234CB-D-IS PWM High Side/

Low Side

4.0 A 10 V N/A

Si8233BB-D-IS VIA,VIB High Side/

Low Side

8 V Si8233-B-IS

Si8234BB-D-IS PWM High Side/

Low Side

Si8234-B-IS

Si8235BB-D-IS VIA,VIB Dual Driver Si8235-B-IS

Si8230AB-D-IS VIA, VIB High Side/

Low Side

0.5 A 5 V 2.5

kVrms

–40 to

+125 °C

SOIC-16

Wide Body

N/A

Si8231AB-D-IS PWM N/A

Si8232AB-D-IS VIA,VIB Dual Driver N/A

Si8233AB-D-IS VIA,VIB High Side/

Low Side

4.0 A 5 V N/A

Si8234AB-D-IS PWM N/A

Si8235AB-D-IS VIA,VIB Dual Driver N/A

Narrow Body (NB) Package Options

Si8230BB-D-IS1 VIA,VIB High Side/

Low Side

0.5 A 8 V 2.5

kVrms

–40 to

+125 °C

SOIC-16

Narrow Body

N/A

Si8231BB-D-IS1 PWM High Side/

Low Side

Si8232BB-D-IS1 VIA,VIB Dual Driver

Si8233BB-D-IS1 VIA,VIB High Side/

Low Side

4.0 A 8 V

Si8234BB-D-IS1 PWM High Side/

Low Side

Si8235BB-D-IS1 VIA,VIB Dual Driver

Si8235BA-D-IS1 VIA,VIB Dual Driver 1.0

kVrms

Si823x Data Sheet

Ordering Guide

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Ordering Part

Number (OPN)

Inputs Configuration Peak Current UVLO Voltage Isolation

Rating

Temp

Range

Package

Type

Legacy Or-

dering Part

Number

(OPN)

2.5 kV Only

Si8230AB-D-IS1 VIA,VIB High Side/

Low Side

0.5 A 5 V 2.5

kVrms

–40 to

+125 °C

SOIC-16

Narrow Body

N/A

Si8231AB-D-IS1 PWM N/A

Si8232AB-D-IS1 VIA,VIB Dual Driver N/A

Si8233AB-D-IS1 VIA,VIB High Side/

Low Side

4.0 A 5 V N/A

Si8234AB-D-IS1 PWM N/A

Si8235AB-D-IS1 VIA,VIB Dual Driver N/A

LGA Package Options

Si8233CB-D-IM VIA,VIB High Side/

Low Side

4.0 A 10 V 2.5

kVrms

–40 to

+125 °C

LGA-14 5x5

N/A

Si8233BB-D-IM 8 V Si8233-B-IM

Si8233AB-D-IM 5 V N/A

Si8234BB-D-IM PWM 8 V Si8234-B-IM

Si8234AB-D-IM 5 V N/A

Si8235BB-D-IM VIA,VIB Dual Driver 8 V Si8235-B-IM

Si8235AB-D-IM 5 V N/A

Si8236BA-D-IM 8 V 1.0

kVrms

LGA-14 5x5

mm with

Thermal Pad

Si8236-B-IM

Si8236AA-D-IM 5 V N/A

5 kV Ordering Options

Si8230BD-D-IS VIA, VIB High Side/

Low Side

0.5 A 8 V 5.0

kVrms

–40 to

+125 °C

SOIC-16

Wide Body

N/A

Si8231BD-D-IS PWM High Side/

Low Side

Si8232BD-D-IS VIA, VIB Dual Driver

Si8233BD-D-IS VIA, VIB High Side/

Low Side

4.0 A

Si8234BD-D-IS PWM High Side/

Low Side

Si8235BD-D-IS VIA, VIB Dual Driver

Si8230AD-D-IS VIA, VIB High Side/

Low Side

0.5 A 5 V 5.0

kVrms

–40 to

+125 °C

SOIC-16

Wide Body

N/A

Si8231AD-D-IS PWM N/A

Si8232AD-D-IS VIA, VIB Dual Driver N/A

Si8233AD-D-IS VIA, VIB High Side/

Low Side

4.0 A 5 V N/A

Si8234AD-D-IS PWM N/A

Si8235AD-D-IS VIA, VIB Dual Driver N/A

3 V VDDI Ordering Options

Si823x Data Sheet

Ordering Guide

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Ordering Part

Number (OPN)

Inputs Configuration Peak Current UVLO Voltage Isolation

Rating

Temp

Range

Package

Type

Legacy Or-

dering Part

Number

(OPN)

2.5 kV Only

Si8237AB-D-IS1 VIA, VIB Dual Driver 0.5 A 5 V 2.5

kVrms

–40 to

+125 °C

SOIC-16

Narrow Body

N/A

Si8237BB-D-IS1 VIA, VIB Dual Driver 8 V

Si8238AB-D-IS1 VIA, VIB Dual Driver 4.0 A 5 V

Si8238BB-D-IS1 VIA, VIB Dual Driver 8 V

Si8237AD-D-IS VIA, VIB Dual Driver 0.5 A 5 V 5.0

kVrms

SOIC-16

Wide Body

Si8237BD-D-IS VIA, VIB Dual Driver 8 V

Si8238AD-D-IS VIA, VIB Dual Driver 4.0 A 5 V

Si8238BD-D-IS VIA, VIB Dual Driver 8 V

1. All packages are RoHS-compliant with peak reflow temperatures of 260 °C according to the JEDEC industry standard classifica-

tions and peak solder temperatures.

2. “Si” and “SI” are used interchangeably.

Si823x Data Sheet

Ordering Guide

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3. System Overview

3.1 Top Level Block Diagrams

Si8230/3

UVLO

GNDI

VIB

VDDI

VIA VDDA

VOA

GNDA

VOB

VDDI

I S OL A TI O N

VDDI

VDDB

GNDB

DISABLE

I S O L A TI O N

UVLO

DT CONTROL &

OVERLAP

PROTECTION

Figure 3.1. Si8230/3 Two-Input High-Side/Low-Side Isolated Drivers

Si823x Data Sheet

System Overview

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Si8231/4

UVLO

GNDI

VDDI

PWM VDDA

VOA

GNDA

VOB

VDDI

I S OL A TIO N

VDDI

VDDB

GNDB

DISABLE

I S O L A TI O N

UVLO

DT CONTROL

OVERLAP

PROTECTION

LPWM

Figure 3.2. Si8231/4 Single-Input High-Side/Low-Side Isolated Drivers

Si8232/5/6/7/8

UVLO

VDDA

VOA

GNDA

VOB

VDDI

I S OL A TI O N

VDDI

VDDB

GNDB

UVLO

VIA

I S O L A TI O N

UVLO

GNDI

VIB

VDDI

DISABLE

Figure 3.3. Si8232/5/6/7/8 Dual Isolated Drivers

Si823x Data Sheet

System Overview

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3.2 Functional Description

The operation of an Si823x channel is analogous to that of an optocoupler and gate driver, except an RF carrier is modulated instead of

light. This simple architecture provides a robust isolated data path and requires no special considerations or initialization at start-up. A

simplified block diagram for a single Si823x channel is shown in the figure below.

RF OSCILLATOR

MODULATOR DEMODULATOR

Semiconductor-

Based Isolation

Barrier

Transmitter Receiver

Dead

time

control 0.5 to 4 A

peak

Gnd

VDD

Driver

Figure 3.4. Simplified Channel Diagram

A channel consists of an RF Transmitter and RF Receiver separated by a semiconductor-based isolation barrier. Referring to the

Transmitter, input A modulates the carrier provided by an RF oscillator using on/off keying. The Receiver contains a demodulator that

decodes the input state according to its RF energy content and applies the result to output B via the output driver. This RF on/off keying

scheme is superior to pulse code schemes as it provides best-in-class noise immunity, low power consumption, and better immunity to

magnetic fields. See the figure below for more details.

Input Signal

Output Signal

Modulation Signal

Figure 3.5. Modulation Scheme

Si823x Data Sheet

System Overview

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3.3 Typical Operating Characteristics (0.5 Amp)

The typical performance characteristics depicted in Figure 3.6 Rise/Fall Time vs. Supply Voltage on page 8 through Figure

3.15 Output Source Current vs. Temperature on page 9 are for information purposes only. Refer to Table 4.1 Electrical Characteris-

tics1 on page 21 for actual specification limits.

Figure 3.6. Rise/Fall Time vs. Supply Voltage Figure 3.7. Propagation Delay vs. Supply Voltage

Figure 3.8. Rise/Fall Time vs. Load Figure 3.9. Propagation Delay vs. Load

Figure 3.10. Propagation Delay vs. Temperature Figure 3.11. Supply Current vs. Temperature

Si823x Data Sheet

System Overview

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Figure 3.12. Supply Current vs. Supply Voltage Figure 3.13. Supply Current vs. Supply Voltage

Figure 3.14. Output Source Current vs. Supply Voltage Figure 3.15. Output Source Current vs. Temperature

Figure 3.16. Output Sink Current vs. Supply Voltage Figure 3.17. Output Sink Current vs. Temperature

Si823x Data Sheet

System Overview

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3.4 Typical Operating Characteristics (4.0 Amp)

The typical performance characteristics depicted in Figure 3.18 Rise/Fall Time vs. Supply Voltage on page 10 through Figure

3.27 Output Source Current vs. Temperature on page 11 are for information purposes only. Refer to Table 4.1 Electrical Characteris-

tics1 on page 21 for actual specification limits.

Figure 3.18. Rise/Fall Time vs. Supply Voltage Figure 3.19. Propagation Delay vs. Supply Voltage

Figure 3.20. Rise/Fall Time vs. Load Figure 3.21. Propagation Delay vs. Load

Figure 3.22. Propagation Delay vs. Temperature Figure 3.23. Supply Current vs. Temperature

Si823x Data Sheet

System Overview

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Figure 3.24. Supply Current vs. Supply Voltage Figure 3.25. Supply Current vs. Supply Voltage

Figure 3.26. Output Source Current vs. Supply Voltage Figure 3.27. Output Source Current vs. Temperature

Figure 3.28. Output Sink Current vs. Supply Voltage Figure 3.29. Output Sink Current vs. Temperature

3.5 Family Overview and Logic Operation During Startup

The Si823x family of isolated drivers consists of high-side, low-side, and dual driver configurations.

Si823x Data Sheet

System Overview

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3.5.1 Products

The table below shows the configuration and functional overview for each product in this family.

Table 3.1. Si823x Family Overview

Part Number Configuration Overlap Protection Programmable

Dead Time

Inputs Peak Output Cur-

rent (A)

Si8230 High-Side/Low-Side √ √ VIA, VIB 0.5

Si8231 High-Side/Low-Side √ √ PWM 0.5

Si8232/7 Dual Driver — — VIA, VIB 0.5

Si8233 High-Side/Low-Side √ √ VIA, VIB 4.0

Si8234 High-Side/Low-Side √ √ PWM 4.0

Si8235/6/8 Dual Driver — — VIA, VIB 4.0

Si823x Data Sheet

System Overview

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3.5.2 Device Behavior

The table below consists of truth tables for the Si8230/3, Si8231/4, and Si8232/5/6 families.

Table 3.2. Si823x Family Truth Table1

Si8230/3 (High-Side/Low-Side) Truth Table

Inputs VDDI State Disable Output Notes

VIA VIB VOA VOB

L L Powered L L L Output transition occurs after internal dead time expires.

L H Powered L L H Output transition occurs after internal dead time expires.

H L Powered L H L Output transition occurs after internal dead time expires.

H H Powered L L L Invalid state. Output transition occurs after internal dead

time expires.

X2X2Unpowered X L L Output returns to input state within 7 µs of VDDI power re-

storation.

X X Powered H L L Device is disabled.

Si8231/4 (PWM Input High-Side/Low-Side) Truth Table

PWM Input VDDI State Disable Output Notes

VOA VOB

H Powered L H L Output transition occurs after internal dead time expires.

L Powered L L H Output transition occurs after internal dead time expires.

X2Unpowered X L L Output returns to input state within 7 µs of VDDI power re-

storation.

X Powered H L L Device is disabled.

Si8232/5/6/7/8 (Dual Driver) Truth Table

Inputs VDDI State Disable Output Notes

VIA VIB VOA VOB

L L Powered L L L Output transition occurs immediately

(no internal dead time).

L H Powered L L H Output transition occurs immediately

(no internal dead time).

H L Powered L H L Output transition occurs immediately

(no internal dead time).

H H Powered L H H Output transition occurs immediately

(no internal dead time).

X2X2Unpowered X L L Output returns to input state within 7 µs of VDDI power re-

storation.

X X Powered H L L Device is disabled.

Notes:

1. This truth table assumes VDDA and VDDB are powered. If VDDA and VDDB are below UVLO, see 3.9 Undervoltage

Lockout Operation for more information.

2. Note that an input can power the input die through an internal diode if its source has adequate current.

Si823x Data Sheet

System Overview

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3.6 Power Supply Connections

Isolation requirements mandate individual supplies for VDDI, VDDA, and VDDB. The decoupling caps for these supplies must be

placed as close to the VDD and GND pins of the Si823x as possible. The optimum values for these capacitors depend on load current

and the distance between the chip and the regulator that powers it. Low effective series resistance (ESR) capacitors, such as Tantalum,

are recommended.

Si823x Data Sheet

System Overview

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3.7 Power Dissipation Considerations

Proper system design must assure that the Si823x operates within safe thermal limits across the entire load range.The Si823x total

power dissipation is the sum of the power dissipated by bias supply current, internal parasitic switching losses, and power dissipated by

the series gate resistor and load. Equation 1 shows total Si823x power dissipation.

PD=

(

VDDI

)(

IDDI

)

+ 2

(

IDD2

)(

VDD2

)

(

)(

QTL

)(

VDD2

)

Rp+ Rg+

(

)(

QTL

)(

VDD2

)

Rp+ Rg+ 2fCintVDD22

where:

PD is the total Si823x device power dissipation (W)

IDDI is the input-side maximum bias current (3 mA)

IDD2 is the driver die maximum bias current (2.5 mA)

Cint is the internal parasitic capacitance (75 pF for the 0.5 A driver and 370 pF for the 4.0 A driver)

VDDI is the input-side VDD supply voltage (2.7 to 5.5 V)

VDD2 is the driver-side supply voltage (10 to 24 V)

f is the switching frequency (Hz)

QTL is the gate charge of the FET being driven

RG is the external gate resistor

RP is the RDS(ON) of the driver pull-up switch: (Rp = 15 Ω for the 0.5 A driver; Rp = 2.7 Ω for the 4.0 A driver)

Rn is the RDS(ON) of the driver pull-down switch: (Rn = 5 Ω for the 0.5 A driver and 1 Ω for the 4.0 A driver)

Equation 1.

Power dissipation example for 0.5 A driver using Equation 1 with the following givens:

VDDI = 5.0 V

VDD2 = 12 V

f = 350 kHz

RG = 22 Ω

QG = 25 nC

Pd = 0.015 + 0.060 +

(

350 × 103

)

(

25 × 10−9

)

(

)

5 + 22 + 2

(

350 × 103

)(

75 × 10−12

)

(144) = 145 mW

From which the driver junction temperature is calculated using Equation 2, where:

Pd is the total Si823x device power dissipation (W)

θja is the thermal resistance from junction to air (105 °C/W in this example)

TA is the ambient temperature

Tj=Pd×Θja ×TA=

(

0.145

)(

105

)

+ 20 = 35.2oC

The maximum power dissipation allowable for the Si823x is a function of the package thermal resistance, ambient temperature, and

maximum allowable junction temperature, as shown in Equation 2:

PDmax ≤

Tjmax −TA

Θja

where:

PDmax = Maximum Si823x power dissipation (W)

Si823x Data Sheet

System Overview

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Tjmax = Si823x maximum junction temperature (150 °C)

TA = Ambient temperature (°C)

Θja = Si823x junction-to-air thermal resistance (105 °C/W)

f = Si823x switching frequency (Hz)

Equation 2.

Substituting values for PDmax Tjmax, TA, and θja into Equation 2 results in a maximum allowable total power dissipation of 1.19 W. Maxi-

mum allowable load is found by substituting this limit and the appropriate data sheet values from Table 4.1 Electrical Characteristics1

on page 21 into Equation 1 and simplifying. The result is Equation 3 (0.5 A driver) and Equation 4 (4.0 A driver), both of which as-

sume VDDI = 5 V and VDDA = VDDB = 18 V.

CL(MAX) =1.4 × 10−3

f−7.5 × 10−11

Equation 3.

CL(MAX) =1.4 × 10−3

f−3.7 × 10−10

Equation 4.

Equation 3 and Equation 4 are graphed in the figure below, where the points along the load line represent the package dissipation-

limited value of CL for the corresponding switching frequency.

3.8 Layout Considerations

It is most important to minimize ringing in the drive path and noise on the Si823x VDD lines. Care must be taken to minimize parasitic

inductance in these paths by locating the Si823x as close to the device it is driving as possible. In addition, the VDD supply and ground

trace paths must be kept short. For this reason, the use of power and ground planes is highly recommended. A split ground plane sys-

tem having separate ground and VDD planes for power devices and small signal components provides the best overall noise perform-

ance.

Si823x Data Sheet

System Overview

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3.9 Undervoltage Lockout Operation

Device behavior during start-up, normal operation and shutdown is shown in Figure 3.30 Device Behavior during Normal Operation and

Shutdown on page 17, where UVLO+ and UVLO- are the positive-going and negative-going thresholds respectively. Note that outputs

VOA and VOB default low when input side power supply (VDDI) is not present.

3.9.1 Device Startup

Outputs VOA and VOB are held low during power-up until VDD is above the UVLO threshold for time period tSTART. Following this,

the outputs follow the states of inputs VIA and VIB.

3.9.2 Undervoltage Lockout

Undervoltage Lockout (UVLO) is provided to prevent erroneous operation during device startup and shutdown or when VDD is below its

specified operating circuits range. The input (control) side, Driver A and Driver B, each have their own undervoltage lockout monitors.

The Si823x input side enters UVLO when VDDI < VDDIUV–, and exits UVLO when VDDI > VDDIUV+. The driver outputs, VOA and VOB,

remain low when the input side of the Si823x is in UVLO and their respective VDD supply (VDDA, VDDB) is within tolerance. Each

driver output can enter or exit UVLO independently. For example, VOA unconditionally enters UVLO when VDDA falls below VDDAUV–

and exits UVLO when VDDA rises above VDDAUV+.

VIA

VOA

DISABLE

VDDI

UVLO-

VDDA

tSTART tSTART tSTART

tSD tRESTART tPHL tPLH

UVLO+

UVLO-

UVLO+

tSD

VDDHYS

Figure 3.30. Device Behavior during Normal Operation and Shutdown

Si823x Data Sheet

System Overview

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3.9.3 Undervoltage Lockout (UVLO)

The UVLO circuit unconditionally drives VO low when VDD is below the lockout threshold. Referring to Figure 3.31 Si823x UVLO Re-

sponse (5 V) on page 18 through Figure 3.34 Si823x UVLO Response (12.5 V) on page 18, upon power up, the Si823x is main-

tained in UVLO until VDD rises above VDDUV+. During power down, the Si823x enters UVLO when VDD falls below the UVLO thresh-

old plus hysteresis (i.e., VDD < VDDUV+ – VDDHYS).

Figure 3.31. Si823x UVLO Response (5 V)

Figure 3.32. Si823x UVLO Response (10 V)

Figure 3.33. Si823x UVLO Response (8 V)

Figure 3.34. Si823x UVLO Response (12.5 V)

3.9.4 Control Inputs

VIA, VIB, and PWM inputs are high-true, TTL level-compatible logic inputs. A logic high signal on VIA or VIB causes the corresponding

output to go high. For PWM input versions (Si8231/4), VOA is high and VOB is low when the PWM input is high, and VOA is low and

VOB is high when the PWM input is low.

3.9.5 Disable Input

When brought high, the DISABLE input unconditionally drives VOA and VOB low regardless of the states of VIA and VIB. Device opera-

tion terminates within tSD after DISABLE =VIH and resumes within tRESTART after DISABLE = VIL. The DISABLE input has no effect if

VDDI is below its UVLO level (i.e., VOA, VOB remain low).

Si823x Data Sheet

System Overview

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3.10 Programmable Dead Time and Overlap Protection

All high-side/low-side drivers (Si8230/1/3/4) include programmable overlap protection to prevent outputs VOA and VOB from being high

at the same time. These devices also include programmable dead time, which adds a user-programmable delay between transitions of

VOA and VOB. When enabled, dead time is present on all transitions, even after overlap recovery. The amount of dead time delay (DT)

is programmed by a single resistor (RDT) connected from the DT input to ground per Equation 5. Note that the dead time pin can be

tied to VDDI or left floating to provide a nominal dead time at approximately 400 ps.

DT ≈10 × RDT

where:

DT = dead time (ns) and

RDT = dead time programing resistor (kΩ)

Equation 5.

The device driving VIA and VIB should provide a minimum dead time of TDD to avoid activating overlap protection. Input/output timing

waveforms for the two-input drivers are shown in Figure 3.35 Input / Output Waveforms for High-Side / Low-Side Two-Input Drivers on

page 19, and dead time waveforms are shown in Figure 3.36 Dead Time Waveforms for High-Side / Low-Side Two-input Drivers on

page 20.

Figure 3.35. Input / Output Waveforms for High-Side / Low-Side Two-Input Drivers

Si823x Data Sheet

System Overview

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VIA/

PWM

VIB

VOA

VOB

10%

90%

50%

VOB

A. Typical Dead Time Operation

VIA/

PWM

VOA

VOB

VIB

DT DT

OVERLAP OVERLAP

B. Dead Time Operation During Overlap

Figure 3.36. Dead Time Waveforms for High-Side / Low-Side Two-input Drivers

Si823x Data Sheet

System Overview

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4. Electrical Specifications

Table 4.1. Electrical Characteristics1

2.7 V < VDDI < 5.5 V, VDDA = VDDB = 12 V or 15 V. TA = –40 to +125 °C. Typical specs at 25 °C

Parameter Symbol Test Condition Min Typ Max Unit

DC Specifications

Input-side Power Supply

Voltage

VDDI Si8230/1/2/3/4/5/6

Si8237/8

4.5

2.7

—

5.5

Driver Supply Voltage VDDA, VDDB Voltage between VDDA and

GNDA, and VDDB and GNDB

(See 2. Ordering Guide)

6.5 — 24 V

Input Supply Quiescent

Current

IDDI(Q) Si8230/2/3/5/6/7/8 — 2 3 mA

Si8231/4 — 3.5 5 mA

Output Supply Quiescent

Current

IDDA(Q), IDDB(Q) Current per channel — — 3.0 mA

Input Supply Active Current IDDI Input freq = 500 kHz, no load — 3.5 — mA

Output Supply Active Current IDDA

IDDB

Current per channel with

Input freq = 500 kHz, no load

— 6 — mA

Input Pin Leakage Current IVIA, IVIB, IPWM –10 — +10 µA dc

Input Pin Leakage Current

(Si8230/1/2/3/4/5/6)

IDISABLE –10 — +10 µA dc

Input Pin Leakage Current

(Si8237/8)

-1000 +1000

Logic High Input Threshold VIH 2.0 — — V

Logic Low Input Threshold VIL — — 0.8 V

Input Hysteresis VIHYST Si8230/1/2/3/4/5/6/7/8 400 450 — mV

Logic High Output Voltage VOAH, VOBH IOA, IOB = –1 mA (VDDA /

VDDB)

— 0.04

— — V

Logic Low Output Voltage VOAL, VOBL IOA, IOB = 1 mA — — 0.04 V

Output Short-Circuit Pulsed

Sink Current

IOA(SCL), IOB(SCL) Si8230/1/2/7, Figure 4.1 IOL

Sink Current Test Circuit on

page 24

— 0.5 — A

Si8233/4/5/6/8, Figure 4.1 IOL

Sink Current Test Circuit on

page 24

— 4.0 — A

Output Short-Circuit Pulsed

Source Current

IOA(SCH),

IOB(SCH)

Si8230/1/2/7, Figure 4.2 IOH

Source Current Test Circuit on

page 24

— 0.25 — A

Si8233/4/5/6/8, Figure 4.2 IOH

Source Current Test Circuit on

page 24

— 2.0 — A

Output Sink Resistance RON(SINK) Si8230/1/2/7 — 5.0 — Ω

Si8233/4/5/6/8 — 1.0 — Ω

Si823x Data Sheet

Electrical Specifications

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 21

Parameter Symbol Test Condition Min Typ Max Unit

Output Source Resistance RON(SOURCE) Si8230/1/2/7 — 15 — Ω

Si8233/4/5/6/8 — 2.7 — Ω

VDDI Undervoltage Threshold VDDIUV+ VDDI rising (Si8230/1/2/3/4/5/6) 3.60 4.0 4.45 V

VDDI Undervoltage Threshold VDDIUV– VDDI falling

(Si8230/1/2/3/4/5/6)

3.30 3.70 4.15 V

VDDI Lockout Hysteresis VDDIHYS (Si8230/1/2/3/4/5/6) — 250 — mV

VDDI Undervoltage Threshold VDDIUV+ VDDI rising (Si8237/8) 2.15 2.3 2.5 V

VDDI Undervoltage Threshold VDDIUV– VDDI falling (Si8237/8) 2.10 2.22 2.40 V

VDDI Lockout Hysteresis VDDIHYS (Si8237/8) — 75 — mV

VDDA, VDDB Undervoltage

Threshold

VDDAUV+, VDDBUV+ VDDA, VDDB rising

5 V Threshold See Figure 3.31 Si823x UVLO

Response (5 V) on page 18.

5.20 5.80 6.30 V

8 V Threshold See Figure 3.33 Si823x UVLO

Response (8 V) on page 18.

7.50 8.60 9.40 V

10 V Threshold See Figure 3.32 Si823x UVLO

Response (10 V) on page 18.

9.60 11.1 12.2 V

12.5 V Threshold See Figure 3.34 Si823x UVLO

Response (12.5 V) on page 18.

12.4 13.8 14.8 V

VDDA, VDDB Undervoltage

Threshold

VDDAUV–, VDDBUV– VDDA, VDDB falling

5 V Threshold See Figure 3.31 Si823x UVLO

Response (5 V) on page 18.

4.90 5.52 6.0 V

8 V Threshold See Figure 3.33 Si823x UVLO

Response (8 V) on page 18.

7.20 8.10 8.70 V

10 V Threshold See Figure 3.32 Si823x UVLO

Response (10 V) on page 18.

9.40 10.1 10.9 V

12.5 V Threshold See Figure 3.34 Si823x UVLO

Response (12.5 V) on page 18.

11.6 12.8 13.8 V

VDDA, VDDB

Lockout Hysteresis

VDDAHYS,

VDDBHYS

UVLO voltage = 5 V — 280 — mV

VDDA, VDDB

Lockout Hysteresis

VDDAHYS,

VDDBHYS

UVLO voltage = 8 V — 600 — mV

VDDA, VDDB

Lockout Hysteresis

VDDAHYS,

VDDBHYS

UVLO voltage = 10 V or 12.5 V — 1000 — mV

AC Specifications

Minimum Pulse Width — 10 — ns

Propagation Delay tPHL, tPLH CL = 200 pF — 30 60 ns

Pulse Width Distortion

|tPLH - tPHL|

PWD — — 5.60 ns

Minimum Overlap Time2TDD DT = VDDI, No-Connect — 0.4 — ns

Si823x Data Sheet

Electrical Specifications

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 22

Parameter Symbol Test Condition Min Typ Max Unit

Programmed Dead Time3DT Figure 3.36 Dead Time Wave-

forms for High-Side / Low-Side

Two-input Drivers on page 20,

RDT = 100 k

— 900 — ns

Figure 3.36 Dead Time Wave-

forms for High-Side / Low-Side

Two-input Drivers on page 20,

RDT = 6 k

— 70 — ns

Output Rise and Fall Time tR,tFCL = 200 pF (Si8230/1/2/7) — — 20 ns

CL = 200 pF (Si8233/4/5/6/8) — — 12 ns

Shutdown Time from

Disable True

tSD — — 60 ns

Restart Time from

Disable False

tRESTART — — 60 ns

Device Start-up Time tSTART Time from VDD_ = VDD_UV+ to

VOA, VOB = VIA, VIB

— — 40 µs

Common Mode

Transient Immunity

CMTI VIA, VIB, PWM = VDDI or 0 V

VCM = 1500 V (see Figure

4.3 Common Mode Transient

Immunity Test Circuit on page

25)

20 45 — kV/µs

Notes:

1. VDDA = VDDB = 12 V for 5, 8, and 10 V UVLO devices; VDDA = VDDB = 15 V for 12.5 V UVLO devices.

2. TDD is the minimum overlap time without triggering overlap protection (Si8230/1/3/4 only).

3. The largest RDT resistor that can be used is 220 kΩ.

Si823x Data Sheet

Electrical Specifications

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 23

4.1 Test Circuits

Figures Figure 4.1 IOL Sink Current Test Circuit on page 24, Figure 4.2 IOH Source Current Test Circuit on page 24, and Figure

4.3 Common Mode Transient Immunity Test Circuit on page 25 depict sink current, source current, and common-mode transient im-

munity test circuits, respectively.

INPUT

1 µF 100 µF

RSNS

0.1

Si823x

1 µF

CER

10 µF

VDDA = VDDB = 15 V

IN OUT

VSS

VDD

SCHOTTKY

50 ns

200 ns

Measure

INPUT WAVEFORM

GND

VDDI

8 V +

Figure 4.1. IOL Sink Current Test Circuit

INPUT

1 µF 100 µF

RSNS

0.1

Si823x

1 µF

CER

10 µF

VDDA = VDDB = 15 V

IN OUT

VSS

VDD

50 ns

200 ns

Measure

INPUT WAVEFORM

GND

VDDI

SCHOTTKY

VDDI

5.5 V +

Figure 4.2. IOH Source Current Test Circuit

Si823x Data Sheet

Electrical Specifications

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 24

Oscilloscope

Isolated

Supply

VDDA

VOA

GNDA

12 V

Supply

High Voltage

Surge Generator

Vcm Surge

Output

100k

High Voltage

Differential

Probe

VDDB

VOB

GNDB

GNDI

VDDI

INPUT

DISABLE

Input Signal

Switch

Input

Output

Isolated

Ground

Si823x

Figure 4.3. Common Mode Transient Immunity Test Circuit

Table 4.2. Regulatory Information1, 2, 3, 4

CSA

The Si823x is certified under CSA Component Acceptance Notice 5A. For more details, see File 232873.

61010-1: Up to 600 VRMS reinforced insulation working voltage; up to 600 VRMS basic insulation working voltage.

60950-1: Up to 600 VRMS reinforced insulation working voltage; up to 1000 VRMS basic insulation working voltage.

60601-1: Up to 125 VRMS reinforced insulation working voltage; up to 380 VRMS basic insulation working voltage.

VDE

The Si823x is certified according to IEC 60747-5-5. For more details, see File 5006301-4880-0001.

60747-5-5: Up to 891 Vpeak for basic insulation working voltage.

60950-1: Up to 600 VRMS reinforced insulation working voltage; up to 1000 VRMS basic insulation working voltage.

The Si823x is certified under UL1577 component recognition program. For more details, see File E257455.

Rated up to 5000 VRMS isolation voltage for basic protection.

CQC

The Si823x is certified under GB4943.1-2011. For more details, see certificates CQC13001096106 and CQC13001096108.

Rated up to 600 VRMS reinforced insulation working voltage; up to 1000 VRMS basic insulation working voltage.

Si823x Data Sheet

Electrical Specifications

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 25

Notes:

1. Regulatory Certifications apply to 2.5 kVRMS rated devices which are production tested to 3.0 kVRMS for 1 sec.

2. Regulatory Certifications apply to 3.75 kVRMS rated devices which are production tested to 4.5 kVRMS for 1 sec.

3. Regulatory Certifications apply to 5.0 kVRMS rated devices which are production tested to 6.0 kVRMS for 1 sec.

4. For more information, see 2. Ordering Guide.

Table 4.3. Insulation and Safety-Related Specifications

Parameter Symbol Test Condi-

tion

Value Unit

WBSOIC-16

5 kVRMS

WBSOIC-16

NBSOIC-16

2.5 kVRMS

14 LD LGA

2.5 kVRMS

14 LD LGA

with Pad

1.0 kVRMS

Nominal Air Gap

(Clearance)1

L(1O1) 8.0 8.0/4.01 3.5 1.75 mm

Nominal External

Tracking (Creepage)1

L(1O2) 8.0 8.0/4.01 3.5 1.75 mm

Minimum Internal Gap

(Internal Clearance)

0.014 0.014 0.014 0.014 mm

Tracking Resistance

(Proof Tracking Index)

PTI IEC60112 600 600 600 600 V

Erosion Depth ED 0.019 0.019 0.021 0.021 mm

Resistance

(Input-Output)2

RIO 1012 1012 1012 1012 Ω

Capacitance

(Input-Output)2

ΧIO f = 1 ΜΗz 1.4 1.4 1.4 1.4 pF

Input Capacitance3ΧI4.0 4.0 4.0 4.0 pF

Notes:

1. The values in this table correspond to the nominal creepage and clearance values as detailed in 7.1 Package Outline: 16-Pin

Wide Body SOIC, 7.2 Package Outline: 16-Pin Narrow Body SOIC, 7.3 Package Outline: 14 LD LGA (5 x 5 mm), and 7.4 Pack-

age Outline: 14 LD LGA with Thermal Pad (5 x 5 mm). VDE certifies the clearance and creepage limits as 4.7 mm minimum for

the NB SOIC-16 and 8.5 mm minimum for the WB SOIC-16 package. UL does not impose a clearance and creepage minimum

for component level certifications. CSA certifies the clearance and creepage limits as 3.9 mm minimum for the NB SOIC 16 and

7.6 mm minimum for the WB SOIC-16 package.

2. To determine resistance and capacitance, the Si823x is converted into a 2-terminal device. Pins 1–8 (1-7, 14 LD LGA) are shor-

ted together to form the first terminal and pins 9–16 (8-14, 14 LD LGA) are shorted together to form the second terminal. The

parameters are then measured between these two terminals.

3. Measured from input pin to ground.

Table 4.4. IEC 60664-1 (VDE 0884 Part 5) Ratings

Parameter Test Condition Specification

WB SO-

IC-16

NB SO-

IC-16

14 LD LGA 14 LD LGA

with Pad

Basic Isolation Group Material Group I I I I

Si823x Data Sheet

Electrical Specifications

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 26

Parameter Test Condition Specification

WB SO-

IC-16

NB SO-

IC-16

14 LD LGA 14 LD LGA

with Pad

Installation Classification Rated Mains Voltages < 150 VRMS I-IV I-IV I-IV I-IV

Rated Mains Voltages < 300 VRMS I-IV I-III I-III I-III

Rated Mains Voltages < 400 VRMS I-III I-II I-II I-II

Rated Mains Voltages < 600 VRMS I-III I-II I-II I-I

Table 4.5. IEC 60747-5-5 Insulation Characteristics1

Parameter Symbol Test Condition Characteristic Unit

SOIC-16

NB SOIC-16

14 LD LGA

with Pad

Maximum Working In-

sulation Voltage

VIORM 891 560 373 V peak

Input to Output Test

Voltage

VPR Method b1

(VIORM x 1.875 = VPR,

100%

Production Test, tm = 1

sec,

Partial Discharge < 5

pC)

1671 1050 700 V peak

Transient Overvoltage VIOTM t = 60 sec 6000 4000 2650 V peak

Pollution Degree (DIN

VDE 0110, Table 1)

222

Insulation Resistance

at TS, VIO = 500 V

RS>109>109>109Ω

*Note:

1. Maintenance of the safety data is ensured by protective circuits. The Si823x provides a climate classification of 40/125/21.

Table 4.6. IEC Safety Limiting Values1

Parameter Symbol Test Condition WB SOIC-16 NB SOIC-16 14 LD LGA 14 LD LGA

with Pad

Unit

Case

Temperature

TS150 150 150 150 °C

Safety Input Current ΙSθJA = 100 °C/W (WB

SOIC-16),

105 °C/W (NB SO-

IC-16, 14 LD LGA),

50 °C/W (14 LD LGA

with Pad)

VDDI = 5.5 V,

VDDA = VDDB = 24 V,

TJ = 150 °C, TA = 25

°C

50 50 50 100 mA

Si823x Data Sheet

Electrical Specifications

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 27

Parameter Symbol Test Condition WB SOIC-16 NB SOIC-16 14 LD LGA 14 LD LGA

with Pad

Unit

Device Power Dissi-

pation2

PD1.2 1.2 1.2 1.2 Ω

Notes:

1. Maximum value allowed in the event of a failure. Refer to the thermal derating curve in Figures Figure 4.4 WB SOIC-16, NB SO-

IC-16, 14 LD LGA Thermal Derating Curve, Dependence of Safety Limiting Values with Case Temperature per DIN EN 60747-5-5

on page 29 and Figure 4.5 14 LD LGA with Pad Thermal Derating Curve, Dependence of Safety Limiting Values with Case

Temperature per DIN EN 60747-5-5 on page 30.

2. The Si82xx is tested with VDDI = 5.5 V, VDDA = VDDB = 24 V, TJ = 150 ºC, CL = 100 pF, input 2 MHz 50% duty cycle square wave.

Table 4.7. Thermal Characteristics

Parameter Symbol WB

SOIC-16

14 LD LGA 14 LD LGA with

Pad

Unit

IC Junction-to-Air

Thermal Resistance

θJA 100 105 105 50 °C/W

Table 4.8. Absolute Maximum Ratings1

Parameter Symbol Min Max Unit

Storage Temperature2TSTG –65 +150 °C

Ambient Temperature under Bias TA–40 +125 °C

Junction Temperature TJ— +150 °C

Input-side Supply Voltage VDDI –0.6 6.0 V

Driver-side Supply Voltage VDDA, VDDB –0.6 30 V

Voltage on any Pin with respect to

Ground

VIO –0.5 VDD + 0.5 V

Peak Output Current (tPW = 10 µs,

duty cycle = 0.2%)

(0.5 Amp versions)

IOPK — 0.5 A

Peak Output Current (tPW = 10 µs,

duty cycle = 0.2%)

(4.0 Amp versions)

IOPK — 4.0 A

Lead Solder Temperature (10 sec.) — 260 °C

Maximum Isolation (Input to Out-

put) (1 sec)

WB SOIC-16

— 6500 VRMS

Maximum Isolation (Output to Out-

put) (1 sec)

WB SOIC-16

— 2500 VRMS

Maximum Isolation (Input to Out-

put) (1 sec)

NB SOIC-16

— 4500 VRMS

Maximum Isolation (Output to Out-

put) (1 sec)

NB SOIC-16

— 2500 VRMS

Si823x Data Sheet

Electrical Specifications

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 28

Parameter Symbol Min Max Unit

Maximum Isolation (Input to Out-

put) (1 sec)

14 LD LGA without Thermal Pad

— 3850 VRMS

Maximum Isolation (Output to Out-

put) (1 sec)

14 LD LGA without Thermal Pad

— 650 VRMS

Maximum Isolation (Input to Out-

put) (1 sec)

14 LD LGA with Thermal Pad

— 1850 VRMS

Maximum Isolation (Output to Out-

put) (1 sec)

14 LD LGA with Thermal Pad

— — 0 VRMS

Notes:

1. Permanent device damage may occur if the absolute maximum ratings are exceeded. Functional operation should be restricted to

the conditions as specified in the operational sections of this data sheet. Exposure to absolute maximum rating conditions for ex-

tended periods may affect device reliability.

2. VDE certifies storage temperature from –40 to 150 °C.

0 20015010050

Case Temperature (ºC)

Safety-Limiting Current (mA)

VDDI = 5.5 V

VDDA, VDDB = 24 V

Figure 4.4. WB SOIC-16, NB SOIC-16, 14 LD LGA Thermal Derating Curve, Dependence of Safety Limiting Values with Case

Temperature per DIN EN 60747-5-5

Si823x Data Sheet

Electrical Specifications

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 29

0 20015010050

120

Case Temperature (ºC)

Safety-Limiting Current (mA)

100 VDDI = 5.5 V

VDDA, VDDB = 24 V

Figure 4.5. 14 LD LGA with Pad Thermal Derating Curve, Dependence of Safety Limiting Values with Case Temperature per

DIN EN 60747-5-5

Si823x Data Sheet

Electrical Specifications

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 30

5. Applications

The following examples illustrate typical circuit configurations using the Si823x.

5.1 High-Side/Low-Side Driver

The Figure A in the drawing below shows the Si8230/3 controlled using the VIA and VIB input signals, and Figure B shows the Si8231/4

controlled by a single PWM signal.

Si8230/3

1500 V max

GNDI

VDDI

VIA

VDDA

VOA

GNDA

VOB

VDDI

DISABLE

VDD2

RDT

CONTROLLER

VIB

1 µF

OUT1

OUT2

I/O

VDDB

1 µF

Si8231/4

PWM

VDDA

VOA

GNDA

VOB

DISABLE

RDT

CONTROLLER

PWMOUT

I/O

A B

VDD2

1 µF

1500 V max

0.1 µF

GNDI

VDDI

1 µF

0.1 µF

VDDB

GNDB

0.1 µF

10 µF

VDDB

GNDB

0.1 µF

10 µF

Figure 5.1. Si823x in Half-Bridge Application

For both cases, D1 and CB form a conventional bootstrap circuit that allows VOA to operate as a high-side driver for Q1, which has a

maximum drain voltage of 1500 V. The boot-strap start up time will depend on the CB cap chosen. See application note, “AN486: High-

Side Bootstrap Design Using Si823x ISODrivers in Power Delivery Systems”. VOB is connected as a conventional low-side driver, and,

in most cases, VDD2 is the same as VDDB. Note that the input side of the Si823x requires VDD in the range of 4.5 to 5.5 V (2.7 to 5.5

V for Si8237/8), while the VDDA and VDDB output side supplies must be between 6.5 and 24 V with respect to their respective

grounds. It is recommended that bypass capacitors of 0.1 and 1 µF value be used on the Si823x input side and that they be located as

close to the chip as possible. Moreover, it is recommended that 0.1 and 10 µF bypass capacitors, located as close to the chip as possi-

ble, be used on the Si823x output side to reduce high-frequency noise and maximize performance.

Si823x Data Sheet

Applications

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 31

5.2 Dual Driver

The figure below shows the Si823x configured as a dual driver. Note that the drain voltages of Q1 and Q2 can be referenced to a com-

mon ground or to different grounds with as much as 1500 V dc between them.

Si8232/5/7/8

VIA VDDA

VOA

GNDA

VOB

VDDB

GNDB

DISABLE

CONTROLLER

VIB

PH1

PH2

I/O

VDDA

VDDB

GNDI

VDDI

1 µF

0.1 µF

10 µF

0.1 µF

10 µF

Figure 5.2. Si8232/5/7/8 in a Dual Driver Application

Because each output driver resides on its own die, the relative voltage polarities of VOA and VOB can reverse without damaging the

driver. That is, the voltage at VOA can be higher or lower than that of VOB by VDD without damaging the driver. Therefore, a dual

driver in a low-side high side/low side drive application can use either VOA or VOB as the high side driver. Similarly, a dual driver can

operate as a dual low-side or dual high-side driver and is unaffected by static or dynamic voltage polarity changes.

5.3 Dual Driver with Thermally Enhanced Package (Si8236)

The thermal pad of the Si8236 must be connected to a heat spreader to lower thermal resistance. Generally, the larger the thermal

shield’s area, the lower the thermal resistance. It is recommended that thermal vias also be used to add mass to the shield. Vias gener-

ally have much more mass than the shield alone and consume less space, thus reducing thermal resistance more effectively. While the

heat spreader is not generally a circuit ground, it is a good reference plane for the Si8236 and is also useful as a shield layer for EMI

reduction.

With a 10mm2 thermal plane on the outer layers (including 20 thermal vias), the thermal impedance of the Si8236 was measured at 50

°C/W. This is a significant improvement over the Si8235 which does not include a thermal pad. The Si8235’s thermal resistance was

measured at 105 °C /W. In addition, note that the GNDA and GNDB pins for the Si8236 are connected together through the thermal

pad.

Si823x Data Sheet

Applications

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 32

6. Pin Descriptions

VIA

VIB

VDDI

GNDI

DISABLE

VDDI

VDDA

VOA

GNDA

VDDB

VOB

GNDB

Si8230

Si8233

SOIC-16 (Wide)

VIA

VIB

VDDI

GNDI

DISABLE

VDDI

VDDA

VOA

GNDA

VDDB

VOB

GNDB

Si8230

Si8233

SOIC-16 (Narrow)

16 1

Table 6.1. Si8230/3 Two-Input HS/LS Isolated Driver (SOIC-16)

Pin Name Description

1 VIA Non-inverting logic input terminal for Driver A.

2 VIB Non-inverting logic input terminal for Driver B.

3 VDDI Input-side power supply terminal; connect to a source of 4.5 to 5.5 V.

4 GNDI Input-side ground terminal.

5 DISABLE Device Disable. When high, this input unconditionally drives outputs VOA, VOB LOW. It

is strongly recommended that this input be connected to external logic level to avoid er-

roneous operation due to capacitive noise coupling.

6 DT Dead time programming input. The value of the resistor connected from DT to ground

sets the dead time between output transitions of VOA and VOB. Defaults to 400 ps dead

time when connected to VDDI or left open (see 3.10 Programmable Dead Time and

Overlap Protection).

7 NC No connection.

8 VDDI Input-side power supply terminal; connect to a source of 4.5 to 5.5 V.

9 GNDB Ground terminal for Driver B.

10 VOB Driver B output (low-side driver).

11 VDDB Driver B power supply voltage terminal; connect to a source of 6.5 to 24 V.

12 NC No connection.

13 NC No connection.

14 GNDA Ground terminal for Driver A.

15 VOA Driver A output (high-side driver).

16 VDDA Driver A power supply voltage terminal; connect to a source of 6.5 to 24 V.

Si823x Data Sheet

Pin Descriptions

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 33

PWM

VDDI

GNDI

DISABLE

VDDI

VDDA

VOA

GNDA

VDDB

VOB

GNDB

Si8231

Si8234

SOIC-16 (Wide)

PWM

VDDI

GNDI

DISABLE

VDDI

VDDA

VOA

GNDA

VDDB

VOB

GNDB

Si8231

Si8234

SOIC-16 (Narrow)

16 1

Table 6.2. Si8231/4 PWM Input HS/LS Isolated Driver (SOIC-16)

Pin Name Description

1 PWM PWM input.

2 NC No connection.

3 VDDI Input-side power supply terminal; connect to a source of 4.5 to 5.5 V.

4 GNDI Input-side ground terminal.

5 DISABLE Device Disable. When high, this input unconditionally drives outputs VOA, VOB LOW. It

is strongly recommended that this input be connected to external logic level to avoid er-

roneous operation due to capacitive noise coupling.

6 DT Dead time programming input. The value of the resistor connected from DT to ground

sets the dead time between output transitions of VOA and VOB. Defaults to 400 ps dead

time when connected to VDDI or left open (see 3.10 Programmable Dead Time and

Overlap Protection).

7 NC No connection.

8 VDDI Input-side power supply terminal; connect to a source of 4.5 to 5.5 V.

9 GNDB Ground terminal for Driver B.

10 VOB Driver B output (low-side driver).

11 VDDB Driver B power supply voltage terminal; connect to a source of 6.5 to 24 V.

12 NC No connection.

13 NC No connection.

14 GNDA Ground terminal for Driver A.

15 VOA Driver A output (high-side driver).

16 VDDA Driver A power supply voltage terminal; connect to a source of 6.5 to 24 V.

Si823x Data Sheet

Pin Descriptions

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 34

VIA

VDDI

GNDI

DISABLE

VIB

VDDI

VDDA

VOA

GNDA

VDDB

VOB

GNDB

Si8232

Si8235

Si8237

Si8238

SOIC-16 (Wide)

VIA

VIB

VDDI

GNDI

DISABLE

VDDI

VDDA

VOA

GNDA

VDDB

VOB

GNDB

Si8232

Si8235

Si8237

Si8238

SOIC-16 (Narrow)

16 1

Table 6.3. Si8232/5/7/8 Dual Isolated Driver (SOIC-16)

Pin Name Description

1 VIA Non-inverting logic input terminal for Driver A.

2 VIB Non-inverting logic input terminal for Driver B.

3 VDDI Input-side power supply terminal; connect to a source of 4.5 to 5.5 V, (2.7 to 5.5 V for

Si8237/8).

4 GNDI Input-side ground terminal.

5 DISABLE Device Disable. When high, this input unconditionally drives outputs VOA, VOB LOW. It

is strongly recommended that this input be connected to external logic level to avoid er-

roneous operation due to capacitive noise coupling.

6 NC No connection.

7 NC No connection.

8 VDDI Input-side power supply terminal; connect to a source of 4.5 to 5.5 V, (2.7 to 5.5 V for

Si8237/8).

9 GNDB Ground terminal for Driver B.

10 VOB Driver B output.

11 VDDB Driver B power supply voltage terminal; connect to a source of 6.5 to 24 V.

12 NC No connection.

13 NC No connection.

14 GNDA Ground terminal for Driver A.

15 VOA Driver A output.

16 VDDA Driver A power supply voltage terminal; connect to a source of 6.5 to 24 V.

Si823x Data Sheet

Pin Descriptions

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 35

LGA-14 (5 x 5 mm)

GNDI

VIA

VIB

VDDI

DISABLE

VDDI

VDDA

VOA

GNDA

VDDB

VOB

GNDB

Si8233

Table 6.4. Si8233 Two-Input HS/LS Isolated Driver (14 LD LGA)

Pin Name Description

GNDI 1 Input-side ground terminal.

VIA 2 Non-inverting logic input terminal for Driver A.

VIB 3 Non-inverting logic input terminal for Driver B.

VDDI 4 Input-side power supply terminal; connect to a source of 4.5 to 5.5 V.

DISABLE 5 Device Disable. When high, this input unconditionally drives outputs VOA, VOB LOW. It

is strongly recommended that this input be connected to external logic level to avoid er-

roneous operation due to capacitive noise coupling.

DT 6 Dead time programming input. The value of the resistor connected from DT to ground

sets the dead time between output transitions of VOA and VOB. Defaults to 400 ps dead

time when connected to VDDI or left open (see3.10 Programmable Dead Time and

Overlap Protection).

VDDI 7 Input-side power supply terminal; connect to a source of 4.5 to 5.5 V.

GNDB 8 Ground terminal for Driver B.

VOB 9 Driver B output (low-side driver).

VDDB 10 Driver B power supply voltage terminal; connect to a source of 6.5 to 24 V.

NC 11 No connection.

GNDA 12 Ground terminal for Driver A.

VOA 13 Driver A output (high-side driver).

VDDA 14 Driver A power supply voltage terminal; connect to a source of 6.5 to 24 V.

Si823x Data Sheet

Pin Descriptions

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 36

LGA-14 (5 x 5 mm)

GNDI

PWM

VDDI

DISABLE

VDDI

VDDA

VOA

GNDA

VDDB

VOB

GNDB

Si8234

Table 6.5. Si8234 PWM Input HS/LS Isolated Driver (14 LD LGA)

Pin Name Description

GNDI 1 Input-side ground terminal.

PWM 2 PWM input.

NC 3 No connection.

VDDI 4 Input-side power supply terminal; connect to a source of 4.5 to 5.5 V.

DISABLE 5 Device Disable. When high, this input unconditionally drives outputs VOA, VOB LOW. It

is strongly recommended that this input be connected to external logic level to avoid er-

roneous operation due to capacitive noise coupling.

DT 6 Dead time programming input. The value of the resistor connected from DT to ground

sets the dead time between output transitions of VOA and VOB. Defaults to 400 ps dead

time when connected to VDDI or left open (see 3.10 Programmable Dead Time and

Overlap Protection).

VDDI 7 Input-side power supply terminal; connect to a source of 4.5 to 5.5 V.

GNDB 8 Ground terminal for Driver B.

VOB 9 Driver B output (low-side driver).

VDDB 10 Driver B power supply voltage terminal; connect to a source of 6.5 to 24 V.

NC 11 No connection.

GNDA 12 Ground terminal for Driver A.

VOA 13 Driver A output (high-side driver).

VDDA 14 Driver A power supply voltage terminal; connect to a source of 6.5 to 24 V.

Si823x Data Sheet

Pin Descriptions

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 37

LGA-14 (5 x 5 mm)

GNDI

VIA

VIB

VDDI

DISABLE

VDDI

VDDA

VOA

GNDA

VDDB

VOB

GNDB

Si8235

Table 6.6. Si8235 Dual Isolated Driver (14 LD LGA)

Pin Name Description

GNDI 1 Input-side ground terminal.

VIA 2 Non-inverting logic input terminal for Driver A.

VIB 3 Non-inverting logic input terminal for Driver B.

VDDI 4 Input-side power supply terminal; connect to a source of 4.5 to 5.5 V.

DISABLE 5 Device Disable. When high, this input unconditionally drives outputs VOA, VOB LOW. It

is strongly recommended that this input be connected to external logic level to avoid er-

roneous operation due to capacitive noise coupling.

NC 6 No connection.

VDDI 7 Input-side power supply terminal; connect to a source of 4.5 to 5.5 V.

GNDB 8 Ground terminal for Driver B.

VOB 9 Driver B output (low-side driver).

VDDB 10 Driver B power supply voltage terminal; connect to a source of 6.5 to 24 V.

NC 11 No connection.

GNDA 12 Ground terminal for Driver A.

VOA 13 Driver A output (high-side driver).

VDDA 14 Driver A power supply voltage terminal; connect to a source of 6.5 to 24 V.

Si823x Data Sheet

Pin Descriptions

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 38

LGA-14 (5 x 5 mm)

GNDI

VIA

VIB

VDDI

DISABLE

VDDI

VDDA

VOA

GNDA

VDDB

VOB

GNDB

Si8236

Table 6.7. Si8236 Dual Isolated Driver (14 LD LGA)

Pin Name Description

GNDI 1 Input-side ground terminal.

VIA 2 Non-inverting logic input terminal for Driver A.

VIB 3 Non-inverting logic input terminal for Driver B.

VDDI 4 Input-side power supply terminal; connect to a source of 4.5 to 5.5 V.

DISABLE 5 Device Disable. When high, this input unconditionally drives outputs VOA, VOB LOW. It

is strongly recommended that this input be connected to external logic level to avoid er-

roneous operation due to capacitive noise coupling.

NC 6 No connection.

VDDI 7 Input-side power supply terminal; connect to a source of 4.5 to 5.5 V.

GNDB 8 Ground terminal for Driver B. GNDA and GNDB pins for the Si8236 are connected to-

gether through the thermal pad.

VOB 9 Driver B output (low-side driver).

VDDB 10 Driver B power supply voltage terminal; connect to a source of 6.5 to 24 V.

NC 11 No connection.

GNDA 12 Ground terminal for Driver A.GNDA and GNDB pins for the Si8236 are connected to-

gether through the thermal pad.

VOA 13 Driver A output (high-side driver).

VDDA 14 Driver A power supply voltage terminal; connect to a source of 6.5 to 24 V.

Si823x Data Sheet

Pin Descriptions

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 39

7. Package Outlines

7.1 Package Outline: 16-Pin Wide Body SOIC

Figure 7.1 16-Pin Wide Body SOIC on page 40 illustrates the package details for the Si823x in a 16-Pin Wide Body SOIC. Table

7.1 Package Diagram Dimensions on page 40 lists the values for the dimensions shown in the illustration.

Figure 7.1. 16-Pin Wide Body SOIC

Table 7.1. Package Diagram Dimensions

Dimension Min Max

A — 2.65

A1 0.10 0.30

A2 2.05 —

b 0.31 0.51

c 0.20 0.33

D 10.30 BSC

E 10.30 BSC

E1 7.50 BSC

e 1.27 BSC

L 0.40 1.27

h 0.25 0.75

Si823x Data Sheet

Package Outlines

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 40

Dimension Min Max

θ 0° 8°

ααα — 0.10

bbb — 0.33

ccc — 0.10

ddd — 0.25

eee — 0.10

fff — 0.20

Notes:

1. All dimensions shown are in millimeters (mm) unless otherwise noted.

2. Dimensioning and Tolerancing per ANSI Y14.5M-1994.

3. This drawing conforms to JEDEC Outline MS-013, Variation AA.

4. Recommended reflow profile per JEDEC J-STD-020 specification for small body, lead-free components.

Si823x Data Sheet

Package Outlines

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 41

7.2 Package Outline: 16-Pin Narrow Body SOIC

Figure 7.2 16-pin Small Outline Integrated Circuit (SOIC) Package on page 42 illustrates the package details for the Si823x in a 16-

pin narrow-body SOIC (SO-16). Table 7.2 Package Diagram Dimensions on page 42 lists the values for the dimensions shown in the

illustration.

Figure 7.2. 16-pin Small Outline Integrated Circuit (SOIC) Package

Table 7.2. Package Diagram Dimensions

Dimension Min Max Dimension Min Max

A — 1.75 L 0.40 1.27

A1 0.10 0.25 L2 0.25 BSC

A2 1.25 — h 0.25 0.50

b 0.31 0.51 θ 0° 8°

c 0.17 0.25 aaa 0.10

D 9.90 BSC bbb 0.20

E 6.00 BSC ccc 0.10

E1 3.90 BSC ddd 0.25

e 1.27 BSC

Notes:

1. All dimensions shown are in millimeters (mm) unless otherwise noted.

2. Dimensioning and Tolerancing per ANSI Y14.5M-1994.

3. This drawing conforms to the JEDEC Solid State Outline MS-012, Variation AC.

4. Recommended card reflow profile is per the JEDEC/IPC J-STD-020 specification for Small Body Components.

Si823x Data Sheet

Package Outlines

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 42

7.3 Package Outline: 14 LD LGA (5 x 5 mm)

Figure 7.3 Si823x LGA Outline on page 43 illustrates the package details for the Si823x in an LGA outline. Table 7.3 Package Dia-

gram Dimensions on page 43 lists the values for the dimensions shown in the illustration.

Figure 7.3. Si823x LGA Outline

Table 7.3. Package Diagram Dimensions

Dimension MIN NOM MAX

A 0.74 0.84 0.94

b 0.25 0.30 0.35

D 5.00 BSC

D1 4.15 BSC

e 0.65 BSC

E 5.00 BSC

E1 3.90 BSC

L 0.70 0.75 0.80

L1 0.05 0.10 0.15

aaa — — 0.10

bbb — — 0.10

ccc — — 0.08

ddd — — 0.15

eee — — 0.08

Notes:

1. All dimensions shown are in millimeters (mm) unless otherwise noted.

2. Dimensioning and Tolerancing per ANSI Y14.5M-1994.

Si823x Data Sheet

Package Outlines

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 43

7.4 Package Outline: 14 LD LGA with Thermal Pad (5 x 5 mm)

Figure 7.4 Si823x LGA Outline with Thermal Pad on page 44 illustrates the package details for the Si8236 ISOdriver in an LGA out-

line. Table 7.4 Package Diagram Dimensions on page 44 lists the values for the dimensions shown in the illustration.

Figure 7.4. Si823x LGA Outline with Thermal Pad

Table 7.4. Package Diagram Dimensions

Dimension MIN NOM MAX

A 0.74 0.84 0.94

b 0.25 0.30 0.35

D 5.00 BSC

D1 4.15 BSC

e 0.65 BSC

E 5.00 BSC

E1 3.90 BSC

L 0.70 0.75 0.80

L1 0.05 0.10 0.15

P1 1.40 1.45 1.50

P2 4.15 4.20 4.25

aaa — — 0.10

bbb — — 0.10

ccc — — 0.08

ddd — — 0.15

eee — — 0.08

Notes:

1. All dimensions shown are in millimeters (mm) unless otherwise noted.

2. Dimensioning and Tolerancing per ANSI Y14.5M-1994.

Si823x Data Sheet

Package Outlines

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 44

8. Land Patterns

8.1 Land Pattern: 16-Pin Wide Body SOIC

Figure 8.1 16-Pin SOIC Land Pattern on page 45 illustrates the recommended land pattern details for the Si823x in a 16-pin wide-

body SOIC. Table 8.1 16-Pin Wide Body SOIC Land Pattern Dimensions on page 45 lists the values for the dimensions shown in the

illustration.

Figure 8.1. 16-Pin SOIC Land Pattern

Table 8.1. 16-Pin Wide Body SOIC Land Pattern Dimensions

Dimension Feature (mm)

C1 Pad Column Spacing 9.40

E Pad Row Pitch 1.27

X1 Pad Width 0.60

Y1 Pad Length 1.90

Notes:

1. This Land Pattern Design is based on IPC-7351 pattern SOIC127P1032X265-16AN for Density Level B (Median Land Protru-

sion).

2. All feature sizes shown are at Maximum Material Condition (MMC) and a card fabrication tolerance of 0.05 mm is assumed.

Si823x Data Sheet

Land Patterns

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 45

8.2 Land Pattern: 16-Pin Narrow Body SOIC

Figure 8.2 16-Pin Narrow Body SOIC PCB Land Pattern on page 46 illustrates the recommended land pattern details for the Si823x in

a 16-pin narrow-body SOIC. Table 8.2 16-Pin Narrow Body SOIC Land Pattern Dimensions on page 46 lists the values for the dimen-

sions shown in the illustration.

Figure 8.2. 16-Pin Narrow Body SOIC PCB Land Pattern

Table 8.2. 16-Pin Narrow Body SOIC Land Pattern Dimensions

Dimension Feature (mm)

C1 Pad Column Spacing 5.40

E Pad Row Pitch 1.27

X1 Pad Width 0.60

Y1 Pad Length 1.55

Notes:

1. This Land Pattern Design is based on IPC-7351 pattern SOIC127P600X165-16N for Density Level B (Median Land Protrusion).

2. All feature sizes shown are at Maximum Material Condition (MMC) and a card fabrication tolerance of 0.05 mm is assumed.

Si823x Data Sheet

Land Patterns

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 46

8.3 Land Pattern: 14 LD LGA

Figure 8.3 14-Pin LGA Land Pattern on page 47 illustrates the recommended land pattern details for the Si823x in a 14-pin LGA.

Table 8.3 14-Pin LGA Land Pattern Dimensions on page 47 lists the values for the dimensions shown in the illustration.

Figure 8.3. 14-Pin LGA Land Pattern

Table 8.3. 14-Pin LGA Land Pattern Dimensions

Dimension (mm)

C1 4.20

E 0.65

X1 0.80

Y1 0.40

Notes:

General

1. All dimensions shown are in millimeters (mm).

2. This Land Pattern Design is based on the IPC-7351 guidelines.

3. All dimensions shown are at Maximum Material Condition (MMC). Least Material Condition (LMC) is calculated based on a Fabri-

cation Allowance of 0.05 mm.

Solder Mask Design

1. All metal pads are to be non-solder mask defined (NSMD). Clearance between the solder mask and the metal pad is to be 60 µm

minimum, all the way around the pad.

Stencil Design

1. A stainless steel, laser-cut and electro-polished stencil with trapezoidal walls should be used to assure good solder paste release.

2. The stencil thickness should be 0.125 mm (5 mils).

3. The ratio of stencil aperture to land pad size should be 1:1.

Card Assembly

1. A No-Clean, Type-3 solder paste is recommended.

2. The recommended card reflow profile is per the JEDEC/IPC J-STD-020 specification for Small Body Components.

Si823x Data Sheet

Land Patterns

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 47

8.4 Land Pattern: 14 LD LGA with Thermal Pad

Figure 8.4 14-Pin LGA with Thermal Pad Land Pattern on page 48 illustrates the recommended land pattern details for the Si8236 in

a 14-pin LGA with thermal pad. Table 8.4 14-Pin LGA with Thermal Pad Land Pattern Dimensions on page 48 lists the values for the

dimensions shown in the illustration.

Figure 8.4. 14-Pin LGA with Thermal Pad Land Pattern

Table 8.4. 14-Pin LGA with Thermal Pad Land Pattern Dimensions

Dimension (mm)

C1 4.20

C2 1.50

D2 4.25

E 0.65

X1 0.80

Y1 0.40

Si823x Data Sheet

Land Patterns

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 48

Dimension (mm)

Notes:

General

1. All dimensions shown are in millimeters (mm).

2. This Land Pattern Design is based on the IPC-7351 guidelines.

3. All dimensions shown are at Maximum Material Condition (MMC). Least Material Condition (LMC) is calculated based on a Fabri-

cation Allowance of 0.05 mm.

Solder Mask Design

1. All metal pads are to be non-solder mask defined (NSMD). Clearance between the solder mask and the metal pad is to be 60 µm

minimum, all the way around the pad.

Stencil Design

1. A stainless steel, laser-cut and electro-polished stencil with trapezoidal walls should be used to assure good solder paste release.

2. The stencil thickness should be 0.125 mm (5 mils).

3. The ratio of stencil aperture to land pad size should be 1:1.

Card Assembly

1. A No-Clean, Type-3 solder paste is recommended.

2. The recommended card reflow profile is per the JEDEC/IPC J-STD-020 specification for Small Body Components.

Si823x Data Sheet

Land Patterns

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 49

9. Top Markings

9.1 Si823x Top Marking (16-Pin Wide Body SOIC)

Table 9.1. Top Marking Explanation (16-Pin Wide Body SOIC)

Line 1 Marking: Base Part Number

Ordering Options

See Ordering Guide for more in-

formation.

Si823 = ISOdriver product series

Y = Peak output current

0, 1, 2, 7 = 0.5 A

3, 4, 5, 8 = 4.0 A

U = UVLO level

A = 5 V; B = 8 V; C = 10 V; D = 12.5 V

V = Isolation rating

B = 2.5 kV; C = 3.75 kV; D = 5.0 kV

Line 2 Marking: YY = Year

WW = Workweek

Assigned by the Assembly House. Corresponds to the year and

workweek of the mold date.

TTTTTT = Mfg Code Manufacturing Code from Assembly Purchase Order form.

Line 3 Marking: Circle = 1.5 mm Diameter

(Center Justified)

“e4” Pb-Free Symbol

Country of Origin

ISO Code Abbreviation

TW = Taiwan

Si823x Data Sheet

Top Markings

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 50

9.2 Si823x Top Marking (16-Pin Narrow Body SOIC)

Line 1 Marking: Base Part Number

Ordering Options

See Ordering Guide for more information.

Si823 = ISOdriver product series

Y = Peak output current

• 0, 1, 2, 7 = 0.5 A

• 3, 4, 5, 8 = 4.0 A

U = UVLO level

• A = 5 V; B = 8 V; C = 10 V; D = 12.5 V

V = Isolation rating

• B = 2.5 kV; C = 3.75 kV; D = 5.0 kV

Line 2 Marking: YY = Year

WW = Workweek

Assigned by the Assembly House. Corre-

sponds to the year and workweek of the

mold date.

TTTTTT = Mfg Code Manufacturing Code from Assembly Pur-

chase Order form.

9.3 Si823x Top Marking (14 LD LGA)

Line 1 Marking: Base Part Number

Ordering Options

See Ordering Guide for more infor-

mation.

Si823 = ISOdriver product series

Y = Peak output current

• 0, 1, 2 = 0.5 A

• 3, 4, 5, 6 = 4.0 A

Line 2 Marking: Ordering options U = UVLO level

• A = 5 V; B = 8 V; C = 10 V; D = 12.5 V

V = Isolation rating

• A = 1.0 kV; B = 2.5 kV; C = 3.75 kV; D = 5.0 kV

I = –40 to +125 °C ambient temperature range

M = LGA package type

Line 3 Marking: TTTTTT Manufacturing Code from Assembly

Line 4 Marking: Circle = 1.5 mm diameter Pin 1 identifier

YYWW Manufacturing date code

Si823x Data Sheet

Top Markings

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 51

10. Revision History

10.1 Revision 0.11

• Initial release.

10.2 Revision 0.2

• Updated all specs to reflect latest silicon revision.

•Updated Table 4.1 Electrical Characteristics1 on page 21 to include new UVLO options.

•Updated Table 4.8 Absolute Maximum Ratings1 on page 28 to reflect new maximum package isolation ratings

• Added Figures 34, 35, and 36.

• Updated Ordering Guide to reflect new package offerings.

• Added "Undervoltage Lockout (UVLO)" section to describe UVLO operation.

10.3 Revision 0.3

• Moved Sections 2, 3, and 4 to after Section 5.

• Updated Tables Table 6.4 Si8233 Two-Input HS/LS Isolated Driver (14 LD LGA) on page 36, Table 6.5 Si8234 PWM Input HS/LS

Isolated Driver (14 LD LGA) on page 37, and Table 6.7 Si8236 Dual Isolated Driver (14 LD LGA) on page 39.

• Removed Si8230, Si8231, and Si8232 from pinout and from title.

• Updated and added Ordering Guide footnotes.

•Updated UVLO specifications in Table 4.1 Electrical Characteristics1 on page 21.

•Added PWD and Output Supply Active Current specifications in Table 4.1 Electrical Characteristics1 on page 21.

• Updated and added typical operating condition graphs in 3.3 Typical Operating Characteristics (0.5 Amp) and 3.4 Typical Operating

Characteristics (4.0 Amp).

10.4 Revision 1.0

•Updated Tables Table 4.2 Regulatory Information1, 2, 3, 4 on page 25, Table 4.3 Insulation and Safety-Related Specifications on

page 26, Table 4.4 IEC 60664-1 (VDE 0884 Part 5) Ratings on page 26, and Table 4.5 IEC 60747-5-5 Insulation Characteristics1 on

page 27.

• Updated 2. Ordering Guide.

• Added 5 V UVLO ordering options

• Added Device Marking sections.

10.5 Revision 1.1

• Updated 1. Feature List.

• Updated CMTI specification.

•Updated Table 4.1 Electrical Characteristics1 on page 21.

• Updated CMTI specification.

•Updated Table 4.5 IEC 60747-5-5 Insulation Characteristics1 on page 27.

• Updated 5.2 Dual Driver.

• Updated 2. Ordering Guide.

• Replaced pin descriptions on page 1 with chip graphics.

Si823x Data Sheet

Revision History

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 52

10.6 Revision 1.2

• Updated 2. Ordering Guide.

• Updated moisture sensitivity level (MSL) for all package types.

•Updated Table 4.8 Absolute Maximum Ratings1 on page 28.

• Added junction temperature spec.

•Updated Table 4.2 Regulatory Information1, 2, 3, 4 on page 25 with new notes.

• Added Table Table 6.7 Si8236 Dual Isolated Driver (14 LD LGA) on page 39 and pinout.

• Updated Figures Figure 3.16 Output Sink Current vs. Supply Voltage on page 9, Figure 3.14 Output Source Current vs. Supply Volt-

age on page 9, Figure 3.17 Output Sink Current vs. Temperature on page 9, and Figure 3.15 Output Source Current vs. Tempera-

ture on page 9 to reflect correct y-axis scaling.

• Updated Figure 5.2 Si8232/5/7/8 in a Dual Driver Application on page 32.

• Updated 5.3 Dual Driver with Thermally Enhanced Package (Si8236).

• Updated 7.1 Package Outline: 16-Pin Wide Body SOIC.

• Updated Table 7.1 Package Diagram Dimensions on page 40.

• Change references to 1.5 kVRMS rated devices to 1.0 kVRMS throughout.

• Updated 3.7 Power Dissipation Considerations.

10.7 Revision 1.3

• Added Si8237/8 throughout.

•Updated Table 4.1 Electrical Characteristics1 on page 21.

• Updated Figure 4.1 IOL Sink Current Test Circuit on page 24.

• UpdatedFigure 4.2 IOH Source Current Test Circuit on page 24.

• Added Figure 4.3 Common Mode Transient Immunity Test Circuit on page 25.

• Updated Si823x Family Truth Table to include notes 1 and 2.

• Updated 3.10 Programmable Dead Time and Overlap Protection.

• Removed references to Figures 26A and 26B.

•Updated Table 2.1 Si823x Ordering Guide 1, 2 on page 2.

• Added Si8235-BA-C-IS1 ordering part number.

• Added table note.

10.8 Revision 1.4

• Updated 2. Ordering Guide.

• Updated 3 V VDDI Ordering Options.

10.9 Revision 1.5

•Updated Table 4.1 Electrical Characteristics1 on page 21, input and output supply current.

• Added references to AEC-Q100 qualified throughout.

• Changed all 60747-5-2 references to 60747-5-5.

• Added references to CQC throughout.

• Updated pin descriptions throughout.

• Corrected dead time default to 400 ps from 1 ns.

•Updated Table 2.1 Si823x Ordering Guide 1, 2 on page 2, Ordering Part Numbers.

• Removed moisture sensitivity level table notes.

10.10 Revision 1.6

•Updated Table 2.1 Si823x Ordering Guide 1, 2 on page 2, Ordering Part Numbers.

• Added Revision D Ordering Part Numbers.

• Removed all Ordering Part Numbers of previous revisions.

Si823x Data Sheet

Revision History

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 53

10.11 Revision 1.7

•Updated Table 4.2 Regulatory Information1, 2, 3, 4 on page 25

• Added CQC certificate numbers.

• Updated Table 4.3 Insulation and Safety-Related Specifications on page 26

• Updated Erosion Depth.

•Updated Table 4.5 IEC 60747-5-5 Insulation Characteristics1 on page 27

• Updated VPR for WBSOIC-16.

•Updated Table 4.8 Absolute Maximum Ratings1 on page 28

• Removed Io and added Peak Output Current specifications.

• Updated Equation 1.

• Updated Figure 5.1 Si823x in Half-Bridge Application on page 31.

• Updated Figure 5.2 Si8232/5/7/8 in a Dual Driver Application on page 32.

•Updated Ordering Guide Table 2.1 Si823x Ordering Guide 1, 2 on page 2.

• Removed Note 2.

10.12 Revision 1.8

May 17, 2016

• Converted document from Framemaker to DITA.

Si823x Data Sheet

Revision History

silabs.com | Smart. Connected. Energy-friendly. Rev. 1.8 | 54

Table of Contents

1. Feature List ................................1

2. Ordering Guide ..............................2

3. System Overview ..............................5

3.1 Top Level Block Diagrams..........................5

3.2 Functional Description ...........................7

3.3 Typical Operating Characteristics (0.5 Amp)....................8

3.4 Typical Operating Characteristics (4.0 Amp)....................10

3.5 Family Overview and Logic Operation During Startup ................11

3.5.1 Products ...............................12

3.5.2 Device Behavior ............................13

3.6 Power Supply Connections .........................14

3.7 Power Dissipation Considerations .......................15

3.8 Layout Considerations ...........................16

3.9 Undervoltage Lockout Operation .......................17

3.9.1 Device Startup .............................17

3.9.2 Undervoltage Lockout ..........................17

3.9.3 Undervoltage Lockout (UVLO)........................18

3.9.4 Control Inputs .............................18

3.9.5 Disable Input .............................18

3.10 Programmable Dead Time and Overlap Protection .................19

4. Electrical Specifications .......................... 21

4.1 Test Circuits ..............................24

5. Applications............................... 31

5.1 High-Side/Low-Side Driver .........................31

5.2 Dual Driver ...............................32

5.3 Dual Driver with Thermally Enhanced Package (Si8236) ...............32

6. Pin Descriptions ............................. 33

7. Package Outlines ............................. 40

7.1 Package Outline: 16-Pin Wide Body SOIC ....................40

7.2 Package Outline: 16-Pin Narrow Body SOIC ...................42

7.3 Package Outline: 14 LD LGA (5 x 5 mm) .....................43

7.4 Package Outline: 14 LD LGA with Thermal Pad (5 x 5 mm) ..............44

8. Land Patterns .............................. 45

8.1 Land Pattern: 16-Pin Wide Body SOIC .....................45

8.2 Land Pattern: 16-Pin Narrow Body SOIC .....................46

8.3 Land Pattern: 14 LD LGA ..........................47

Table of Contents 55

8.4 Land Pattern: 14 LD LGA with Thermal Pad ....................48

9. Top Markings .............................. 50

9.1 Si823x Top Marking (16-Pin Wide Body SOIC) ...................50

9.2 Si823x Top Marking (16-Pin Narrow Body SOIC) ..................51

9.3 Si823x Top Marking (14 LD LGA) .......................51

10. Revision History............................. 52

10.1 Revision 0.11 .............................52

10.2 Revision 0.2 ..............................52

10.3 Revision 0.3 ..............................52

10.4 Revision 1.0 ..............................52

10.5 Revision 1.1 ..............................52

10.6 Revision 1.2 ..............................53

10.7 Revision 1.3 ..............................53

10.8 Revision 1.4 ..............................53

10.9 Revision 1.5 ..............................53

10.10 Revision 1.6 .............................53

10.11 Revision 1.7 .............................54

10.12 Revision 1.8 .............................54

Table of Contents 56

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