CMD4509

5-CH BTL Driver for DVD Player

* All specs and applications shown above subject to change without prior notice.

1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU ,

TAOYUAN, TAIWAN

Email: server@ceramate.com.tw

Tel:886-3-3214525

Http: www.ceramate.com.tw

Fax:886-3-3521052

Page 1 of 6

Rev 1.0 Dec. 15,2004

Features

Descriptions

2-CH BTL driver

2-CH BTL driver with current feedback

1-CH forward/reverse control DC motor

Built-in motor speed control circuit

Built-in TSD (thermal shut down) circuit

Built-in mute mode

Operating supply voltage(4.5V~13.2V)

The CMD4509 is a 5-CH motor driver for

CD-p/VCD/DVD systems. It is composed of

2-CH BTL driver, 2-CH driver with current

feedback and 1-CH forward/reverse control

DC motor driver.

Internal Block Diagram

10K

10K

10K

25K

25K

15K

13

4

5

6

7

89

10

11

12

13

14

15

16

17

18

28

27

26

25

24

23

22

21

20

19

25K

10K

Spindle

Driver

Actuator

Driver

Actuator

Driver

Sled

Driver

TRAY

DRIVER

Pre-DRV

MUTE

Thermal

Shut down

2

VCC1

VCC2

VCC2

+

-

+

-

+

-

+

-

VCC2

VCC1

VINFC

TR B

1

REGO2VINSL+

FWD

REV

REGO1

VCC1

VOTR- VOTR+ VOSL+ VOSL- VOFC- VOFC+

MUTE BIAS

VINTK

TRB 2 OPOUT VINLD

GND

VCTL

OPIN VCC2

VOLD-

VOLD+ VOTK- VOTK+

PGND

PGND

GND