Preliminary Datasheet
5-CHANNEL MOTOR DRIVER FOR DVD PLAYER
AM5665
Application Information
This application information is only for the Tray Motor Driver section.
Tray Motor Driver
VCC1
Level Shift
VCC1
+
VOTR+
VOTR-
RVCTL
Pre-Amp
+
-
VCTL
-
FWD
REV
Logic
Switching
Figure 15. Tray Motor Driver Control Illustration
Output Status Control Table
Input
Output
FWD
High
High
Low
Low
REV
VOTR+
Low
VOTR-
Low
Status
High
Low
High
Low
Break
High
Low
Forward
Reverse
Standby
Low
High
Open
Open
Tray Motor Speed Control
The amplitude of output voltage depends on VCTL (pin 21). Connect a resistor between VCTL (pin 21) and
and you can obtain different output voltages for tray driver by changing the value of R . (See Figure 4.)
V
CC1,
VCTL
BCD Semiconductor Manufacturing Limited
Apr. 2005 Rev. 1. 1
12
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
