CMD4509 Datasheet, PDF (1/6 Pages) Ceramate Technical – 5-CH BTL Driver for DVD Player

CMD4509
5-CH BTL Driver for DVD Player
Features
z 2-CH BTL driver
z 2-CH BTL driver with current feedback
z 1-CH forward/reverse control DC motor
z Built-in motor speed control circuit
z Built-in TSD (thermal shut down) circuit
z Built-in mute mode
z Operating supply voltage(4.5V~13.2V)
Descriptions
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
MUTE BIAS VINTK TRB 2 OPOUT VINLD GND
28 27 26 25 24 23 22
VCTL OPIN VCC2 VOLD- VOLD+ VOTK- VOTK+
21 20 19 18 17 16 15
MUTE
Thermal
Shut down
10K
+-
25K
GND PGND
10K
VCC2
15K
-
+
Spindle
Driver
Actuator
Driver
VCC2
VCC2
25K
+-
10K
+
-
25K
VCC1
Pre-DRV
TRAY
DRIVER
Sled
Driver
Actuator
Driver
10K
PGND VCC1
1234567
VINFC T1 R B REGO2VINSL+ REGO1 FWD REV
8 9 10 11 12 13 14
VCC1 VOTR- VOTR+ VOSL+ VOSL- VOFC- VOFC+
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Tel:[phone]
Fax:[phone]
Page 1 of 6
Email: [e-mail]
Http: www.ceramate.com.tw
Rev 1.0 Dec. 15,2004