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ACPL-38JT

Automotive Gate Drive Optocoupler with R2Coupler™ Isolation, 2.5 Amp Output Current, Integrated Desaturation (VCE) Detection and Fault Status Feedback

Avago Technologies 

ACPL-38JT

Automotive Gate Drive Optocoupler with R2Coupler™ Isolation,

2.5 Amp Output Current, Integrated Desaturation (VCE) Detection

and Fault Status Feedback

Data Sheet

Lead (Pb) Free

RoHS 6 fully

compliant

RoHS 6 fully compliant options available;

-xxxE denotes a lead-free product

Description

Features

Avago’s automotive 2.5 Amp Gate Drive Optocoupler with

Integrated Desaturation (VCE) Detection and Fault Status

Feedback makes automotive IGBT VCE fault protection

compact, affordable, and easy-to-implement while satis-

fying automotive AEC-Q100 Grade 1 semiconductor re-

quirement.

Avago R2Coupler isolation products provide the rein-

forced insulation and reliability needed for critical in auto-

motive and high temperature industrial applications

Functional Diagram

VLED1+ VLED1–

7

8

D

R

LED1

I

VIN+ 2

V

E

VIN– 3

R

VCC1

RESET

FAULT

4

5

6 FAULT

SHIELD

LED2

GND1 1

SHIELD

UVLO

DESAT

13

VCC2

11 VC

10

VOUT

14 DESAT

9, 12

VEE

16 VE

15 VLED2+

 2.5 A maximum peak output current

 Drive IGBTs up to IC = 150 A, VCE = 1200 V

 Optically isolated, FAULT status feedback

 SO-16 package

 CMOS/TTL compatible

 500 ns max. switching speeds

 “Soft” IGBT turn-off

 Integrated fail-safe IGBT protection

– Desat (VCE) detection

– Under Voltage Lock-Out protection (UVLO) with

hysteresis

 User configurable: inverting, noninverting, auto-reset,

auto-shutdown

 Wide operating VCC range: 15 to 30 Volts

 -40°C to +125°C operating temperature range

 15 kV/s min. Common Mode Rejection (CMR) at VCM =

1500 V

 Qualified to AEC-Q100 Grade 1 Test Guidelines

 Regulatory approvals:

– UL1577, CSA

– IEC/EN/DIN EN 60747-5-5

Applications

Figure 1. ACPL-38JT Functional Diagram

 Automotive Isolated IGBT/MOSFET Inverter gate drive

 Automotive DC-DC Converter

 AC and brushless dc motor drives

 Industrial inverters for power supplies and motor

controls

 Un-interruptible Power Supplies

CAUTION: It is advised that normal static precautions be taken in handling and assembly

of this component to prevent damage and/or degradation which may be induced by ESD.

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