A6274-1 datasheet(4/24 Pages) ALLEGRO

Part #	A6274-1

Description	Linear Current Regulator and Controller for Automotive LED Arrays

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Manufacturer	ALLEGRO [Allegro MicroSystems]

Direct Link	http://www.allegromicro.com

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4 / 24 page

Linear Current Regulator and Controller

for Automotive LED Arrays

A6274, A6274-1

A6284, A6284-1

4

Allegro MicroSystems, LLC

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

Functional Block Diagram

LDO

VBIAS

EN1

EN2

VTH

DR

PWMIN

ISET2

ISET1

FFn

GND

LED6

LED5

LED4

LED3

LED2

LED1

VINGATECOMPOUT

FULL

ON/OFF

EN1

EN2

6

OUTShort

V

OUTShort

Fault

Driver

Reference

Current

Internal

PWM

Generator

Feedback

and Control

LED

Open/

Short

Detect

A6274-84

TSD

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A6274-1 Datasheet(PDF) 4 Page - Allegro MicroSystems

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