AMC5902 Datasheet, PDF (9/14 Pages) List of Unclassifed Manufacturers – 6CH Motor Driver for CD-ROM, DVD-ROM

AMC DOC. #: AMC5902_B
March 2004
AMC5902
6CH Motor Driver for
CD-ROM, DVD-ROM
Loading control
APPLICATION INFORMATION (continued)
The loading output voltage is set internally to be 7.5 × (LDIN-VREF).
With LDIN is higher/ equal/ lower to VREF,the motor can be set to Forward/ Short brake/ Reverse functions..
VCC4
Load input _R1
LDO+
LDIN
Loading
Channel
LDO-
Forward
M
Reverse
Focus / tracking channel
The focus and tracking output voltage is set internally to be 7.5 × (FOIN-VREF).
With FOIN (TKIN) is higher/ equal/ lower to VREF, the motor can be set to Forward/ Short brake/ Reverse function.
VCC5
Focus input R1
FOIN
FO+
Focus
Channel
FO-
Forward
Reverse
Gain expression
Loading (LO+ - LO-)
Focus (FO+ - FO-)
Tracking (TKO+ - TKO-)
Gain with the added resistor Av(V/V)
7.5x 47k/(R1+47k)
7.5x 47k/(R1+47k)
7.5x 47k/(R1+47k)
Copyright  2003, 2004 ADD Microtech Corp
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