CMD4504 Datasheet, PDF (1/6 Pages) Ceramate Technical – 5-CH Motor Drive IC

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