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PDF CMD4508 Data sheet ( Hoja de datos )
| Número de pieza | CMD4508 | |
| Descripción | 5-CH BTL Driver | |
| Fabricantes | Ceramate Technical | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de CMD4508 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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CMD4508
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 CMD4508 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 NC VINLD GND
28 27 26 25 24 23 22
VCTL NC 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:886-3-3214525
Fax:886-3-3521052
Page 1 of 6
Email: [email protected]
Http: www.ceramate.com.tw
Rev 1.0 Dec. 15,2004
1 page  
Application Circuit
CMD4508
5-CH BTL Driver for DVD Player
ADJ 2.5V
REGOUT
5V
Spindle Motor
NC
28 27 26 25 24 23 22
Tray
Voltage
Control
NC 5V/12V
Tracking Coil
21 20 19 18 17 16 15
MUTE
10K
Thermal
Shun Down
+-
25K
GND PGND
10K
VCC2
15K
-
+
Spindle
Driver
Actuator
Driver
VCC2
25K
+-
10K
VCC2
+
-
25K
VCC1
Pre-DRV
TRAY
DRIVER
Sled
Driver
Actuator
Driver
10K
PGND VCC1
1234 5 67
8 9 10 11 12 13 14
5V
12V Focus Coil
16.4K
47uF
10K
Motor Loading
Sled Motor
Tacking Vcenter Focus Sled FWD REV
SERVO
MUTE
Spindle
U-COM
* 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
Page 5 of 6
Email: [email protected]
Http: www.ceramate.com.tw
Rev 1.0 Dec. 15,2004
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet CMD4508.PDF ] | |
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