點晶科技股份有限公司

SILICON TOUCH TECHNOLOGY INC.

11-MD142

SP-MD142-A.003

Version

：A.003

Page

：1

11-MD142

Motor Driver For DSC

General Specifications

The 11-MD142 is a 4-channels motor driver for Digital Still Camera. It contains

constant current control for M-shutter and saturation voltage control channels for AF

stepping motor and Iris. It is optimal for DSC Lens module in M-shutter, Iris and Auto

Focus motor.

Features and Benefits

Low voltage operation

Low saturation voltage

Low input current

Easy constant current control

Ultra low standby current

Reference Voltage inside (Vref=1.23V)

Thermal shutdown protection

Thin, highly reliable package :QFN-32(4.75mm X 4.75mm) and TSSOP-20

Pin Assignment

Pin Assignment of QFN-32

Pin Assignment of TSSOP-20

PIM

EN1

EN2

IAD

IN1

IN2

IN3

IN4

NC

GND

OUT2

OUT3

OUT4

OUT5

OUT6

NC

9

10

11

12

13

14

15

16

32

31

30

29

28

27

26

25

1

2

3

4

5

6

7

8

24

23

22

21

20

19

18

17

OUT1

GND

IM

OUT3

OUT4

OUT5

OUT6

GND

VREF

VDD

PIM

EN1

EN2

IAD

IN1

IN2

IN3

IN4

VB

OUT2