C M D4504
5-CH Motor Drive IC
Features
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2-CH
l
2-CH
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1-CH
Descriptions
The CMD4504 is a 5CH 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.
BTL driver
BTL driver with current feedback
forward/reverse control DC motor
driver
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Built-in motor speed control circuit
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Built-in TSD (thermal shut down) circuit
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Built-in mute circuit
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Operating supply voltage (4.5V~13.2V)
Internal Block Diagram
VOFC- VOFC+ VOTK- VOTK+ VCC2
28
27
26
25
24
MUTE
23
BIAS
22
VINSP VINSL VCC1
21
20
19
VOSL+ VOSL- VOSP+ VOSP-
18
17
16
15
VCC2
Stand
by
VCC1
PGND
Actuator
Driver
Actuator
Driver
Thermal
Shut Down
Sled
Driver
Spindle
Driver
20K
10K
20K
7.5K
10K
7.5K
20K
7.5K
20K
7.5K
Det Amp
Det Amp
Pre-DRV
PGND GND
TRAY
DRIVER
10K
10K
1
2
3
4
5
6
7
VINFC CFCerr1 CFCerr2 VNFFC VNFTK CTKerr1 CTKerr2
8
GND
9
10
VINTK VCTL
11
FWD
12
REV
13
14
VOTR+ VOTR-
* 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:886-3-3214525
Fax:886-3-3521052
Email: server@ceramate.com.tw
Http: www.ceramate.com.tw
Rev 1.0 May 22, 2003
Page 1 of 6
CERAMATE [ CERAMATE TECHNICAL ]
