點晶科技股份有限公司

SILICON TOUCH TECHNOLOGY INC.

11-MD152

SP-MD152-A.011

Version

：A.011

Page

：6

Application Circuit 1

VDD

PIM

EN1

EN2

EN3

IN1

IN2

IN3

IN4

VREF

NC

VC

11-MD152

OUT1

GND

IM

OUT2

OUT3

OUT5

OUT6

OUT7

OUT4

OUT8

GND

VB

VDD

M

IN4

IN3

IN2

IN1

EN3

EN2

EN1

VB

Ra

Rb

VB

ZOOM

AF

Aperture

R

PIM

R

IM

10μ

C

n

C

n

C

n

C

n

10μ

10μ

C

c

M-shutter

AF: Saturation drive for 2 phase, 1-2 phase stepping motor

M-shutter: Constant current drive for shutter voice coil motor

Aperture: Saturation drive for aperture voice coil motor

ZOOM: Constant voltage drive for DC motor (forward/reverse/brake/standby)