APPLICATION CIRCUIT
MITSUBISHI <CONTROL / DRIVER IC>
M56755FP
SPINDLE MOTOR DRIVER
Forward/reverse FG
rotation signal signal
µcom control
Brake mode
select
12V Motor power supply
0 to 1.5
10uF
2 3 32
31
6
5
14 13
5v
Hall bias resistance
19
Hu
20
21
Hv
22
23
Hw
24
18
104
4
34
104
35
36
104
104
1
Start/Stop
Control
PWM1
Reference
PWM2
++ -
15
Motor current sense resistor
33
0.5
16
17
7 8 9 10 11 12 25 26 27 28 29 30
10uF
5V
power
supply
7