Datasheet Summary
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5-CH BTL Driver for DVD Player
Features z z z z z z z 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)
Descriptions
The CMD4509 is a 5-CH motor driver for CD-p/VCD/DVD systems. It is posed 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
VCTL
OPIN VCC2
VOLD-
VOLD+ VOTK- VOTK+
GND PGND
VCC2
MUTE
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