LA6503 Datasheet, PDF (6/8 Pages) Sanyo Semicon Device – CD-ROM Drive Spindle Motor Driver + Sled Motor Driver + Sled Motion/Position Detector IC

Block Diagram
LA6503
Reverse rotation
detection
Hall bias
(3-V regulator)
Level
shifter
Current limiter
Forward/
reverse
Reverse
braking
Start/stop
(Spindle motor on/off)
To each bias circuit
Thermal shutdown
circuit
Muting
(Sled motor on/off)
Power system ground
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