HCPL316J datasheet(4/33 Pages) HP

4 / 33 page

Pin Descriptions

Symbol

Description

Symbol

Description

VIN+

Non-inverting gate drive voltage output

Common (IGBT emitter) output supply

(

VOUT) control input.

voltage.

VIN-

Inverting gate drive voltage output

VLED2+ LED 2 anode. This pin must be left uncon-

(

VOUT) control input.

nected for guaranteed data sheet

performance. (For optical coupling testing

only)

VCC1

Positive input supply voltage. (4.5 V to 5.5 V)

DESAT

Desaturation voltage input. When the voltage

on DESAT exceeds an internal reference

voltage of 7 V while the IGBT is on, FAULT

output is changed from a high impedance

state to a logic low state within 5

µs. See

Note 25.

GND1

Input Ground.

VCC2

Positive output supply voltage.

RESET

FAULT reset input. A logic low input for at

Collector of output pull-up triple-darlington

least 0.1

µs, asynchronously resets FAULT

transistor. It is connected to VCC2 directly or

output high and enables VIN. Synchronous

through a resistor to limit output turn-on

control of RESET relative to VIN is required.

current.

RESET is not affected by UVLO. Asserting

RESET while VOUT is high does not affect

VOUT.

FAULT

Fault output. FAULT changes from a high

VOUT

Gate drive voltage output.

impedance state to a logic low output within

µs of the voltage on the DESAT pin

exceeding an internal reference voltage of

7 V. FAULT output remains low until RESET

is brought low. FAULT output is an open

collector which allows the FAULT outputs

from all HCPL-316Js in a circuit

to be connected together in a “wired OR”

forming a single fault bus for interfacing

directly to the micro-controller.

VLED1+

LED 1 anode. This pin must be left uncon-

VEE

Output supply voltage.

nected for guaranteed data sheet per-

formance. (For optical coupling testing only)

VLED1-

LED 1 cathode. This pin must be connected

to ground.

Package Pin Out

VLED2+

DESAT

VCC2

VOUT

VEE

VIN+

VIN-

VCC1

GND1

RESET

FAULT

VLED1+

VLED1-

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