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AMC DOC. #: AMC5902_B
AMC5902
March 2004
Copyright
2003, 2004 ADD Microtech Corp
4
www.addmtek.com
6CH Motor Driver for
CD-ROM, DVD-ROM
BLOCK DIAGRAM
Reference values for internal components
Part name
Value(typ)
Unit
R1, R2
15k
Ω
R3, R4, R5, R6
47k
Ω
R
47k
Ω
120
°
MATRIX
HU+
HU-
HV+
HV-
HW+
HW-
FG
Reverse
Detect
Hall Bias
CTL
Amp
CTL
Amp
CTL
Amp
Current
Amp
Current
Amp
Current
Amp
Direction
Comp.
Direction
Comp.
Direction
Comp.
STBY/BRAKE
CONTROL
Logic
Logic
SPIN
IN1SL
TSD
CTL1
OSC
CTL2
IN2SL
GND
VREF
VCC6
R1
R2
R3
R4
R5
R6
VCC5
× 7.5
FOIN
× 7.5
× 7.5
VCC4
LDO+
LDO-
TKIN
R
2R
2R
R
R
2R
HB
LDIN
FOUT