Broadcom

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ACPL-31JT

Data Sheet

Product Overview Description

The ACPL-31JT (shown in Figure 1) is a highly integrated power control device that incorporates all the necessary components for a

complete, isolated MOSFET gate drive circuit. It features desaturation sensing with shutdown protection and fault feedback, under

voltage lock-out and feedback and active Miller current clamping in a SO-16 package. Direct LED input allows flexible logic

configuration and differential current mode driving with low input impedance, greatly increased its noise immunity.

Package Pin Out

Figure 2 Pin Out of ACPL-31JT

Pin Description

Regulatory Information

The ACPL-31JT is approved by the following organizations.

Pin Name

Function

Pin Name

Function

VEE1

Input common

VEE2

Negative power supply

NC

No connection

LED2+

No connection, for testing only

VCC1

Input power supply

DESAT

Desat over current sensing

NC

No connection

VE

MOSFET Source reference

/UVLO

VCC2 under voltage lock-out feedback

VCC2

Positive power supply

/FAULT

Over current fault feedback

VO

Driver output to MOSFET gate

AN

Input LED anode

CLAMP

Miller current clamping output

CA

Input LED cathode

VEE2

Negative power supply

UL

Approved under UL 1577, component recognition program up to VISO = 5000 VRMS

CSA

Approved under CSA Component Acceptance Notice #5, File CA 88324.

IEC/EN/DIN EN 60747-5-5 Approved under IEC 60747-5-5, EN 60747-5-5, DIN EN 60747-5-5

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

VEE1

NC

VCC1

NC

/UVLO

/FAULT

AN

CA

VEE2

LED2+

DESAT

VE

VCC2

VO

CLAMP

VEE2