MITSUBISHI SEMICONDUCTOR (LSI)
M63015FP
SPINDLE MOTOR AND 4CH ACTUATOR DRIVER
q Direct PWM operation
The spindle and the slide channel is controlled by the direct PWM
control.
Also,built-in the current limit circuit. This IC controls the motor
current directly.
FORWARD Current path timing 1.
VM23
Rs
RSL
Current path 1
SL+
M
SL-
GND
FORWARD Current path timing 2.
VM23
Rs
RSL
SL+
M
SL-
Current path 2
GND
Current
path 1
Current
path 2
Control value
Control value
Io=Vrs / Rs
Motor current
carrier period
Time