AT5556N_GRE Datasheet

IC型號(hào)：
AT5556N_GRE
PDF描述：
6-CHANNEL DSC MOTOR DRIVER
文件大?。?/label>
325.61KB
PDF頁數(shù)：
15頁
芯片廠家：
ETC

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AT5556

Preliminary Product Information

6-Channel DSC Motor Driver

Features

鈥?Independent 6-Channel H-Bridge

鈥?Built-in 4 constant voltage drivers, two of

those drivers with brake function.

鈥?Built-in 2 constant current drivers.

鈥?Low on-resistance <1.2

鈩?/div>

(typ.)

鈥?Built-in charge pump(to drive the upside

NMOS of H-bridge drivers)

鈥?Low Voltage operation

鈥?Built-in Thermal Shutdown Function

鈥?LQFP-48 Package

Block Diagram

VCC

PGND3 PVCC CP1 CP2

CP3

CP4

General Description

The AT5556 is a 6-channel H-bridge

drivers IC for DSC motor application. It

built in with 4 constant voltage drive and 2

constant current blocks to drive auto-focus,

zoom, shutter, auto-exposure motors.

Applications

鈥SC motor Driver

Thermal Shutdown

and

UVLO

Oscillator

Charge

Pump

Charge

Pum p

VM1

OUT1A

OUT1B

OUT2A

OUT2B

PGND1

IN1A

IN1B

IN2A

IN2B

H-Bridge

H -Bridge

Level Shift

IN3A

IN3B

IN4A

IN4B

Logic

Block

H-Bridge

IN5A

IN5B

IN6A

IN6B

GND

Pre Driver

VM2

OUT3A

OUT3B

OUT4A

OUT4B

PGND2

H-Bridge

H -Bridge

VM3

OUT5A

OUT5B

OUT6A

OUT6B

Vref

VC1

VC2

VC3

VC4 RFG1

RFG2

Aimtron reserves the right without notice to change this circuitry and specifications.

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

WWW:

http://www.aimtron.com.tw

Fax: 886-3-563-0879

Email:

service@aimtron.com.tw

04/12/10

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