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IC501 (M63024FP): Spindle Motor and 5ch Actuator Driver
Block Diagram
FG x3
FG
Reverse
Detect
FG
HU+
HU-
HV+
HV-
HW+
Hall Bias
HW-
CTL
amp.
Direction
comp.
SPIN
REF
SL1IN
SL2IN
FOIN
TOIN
50
s
s
120
MATRIX
Current
comp.
Tracking
x5
s
Logic
Current
CTL
comp.
amp.
Direction
comp.
Reg
Focus
x5
Logic
CTL
Current
amp.
comp.
Direction
comp.
VM1
Regulator
s
TSD
BIAS
MU1
Brake select
MU2
OCS
Frequency
generator
5V power supply
5VCC
LOIN+
VM3
LO-
x8
LO+
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