Overview
This LA6502 is a 5ch driver for CD and DVD Spindle driver : 3-phase linear sensor-less drive BTL 4ch.
FEATUREs
• Spindle driver block
1) 3-phase sensor-less motor driver
2) Soft switching drive
3) Analog input V type control
4) Current limiter incorporated
5) Counter electromotive FG output
6) Reverse prevention circuit incorporated
• Threading, focusing, tracking, and loading blocks
1) BTL-AMP type
• Common block
1) Thermal shutdown circuit incorporated (design guarantee)
2) MUTE function incorporated (pin 3)
3) OP-AMP (1ch) incorporated (open collector output)