m63021fp Mitsumi Electronics, Corp., m63021fp Datasheet - Page 12
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m63021fp
Manufacturer Part Number
m63021fp
Description
Spindle Motor Actuator Driver
Manufacturer
Mitsumi Electronics, Corp.
Datasheet
1.M63021FP.pdf
(16 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
M63021FP
Manufacturer:
SHARP
Quantity:
120
Part Number:
M63021FP
Manufacturer:
MITSUBIS
Quantity:
20 000
Preliminary
Control value
Direct PWM operation
Io=Vrs / Rs
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.
SL+
Current path 1
Current
M
path 1
Motor current
SL-
Rs
Current
carrier period
path 2
VM2
SPINDLE MOTOR AND 5CH ACTUATOR DRIVER
RSL
GND
(
12
/
17)
Control value
FORWARD Current path timing 2.
SL+
MITSUBISHI SEMICONDUCTORS
Current path 2
M
M63021FP
Time
SL-
REV990728
Rs
VM2
RSL
GND