M63021FP Просмотр технического описания (PDF) - MITSUBISHI ELECTRIC

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M63021FP

SPINDLE MOTOR AND 5CH ACTUATOR DRIVER

MITSUBISHI ELECTRIC  

Preliminary

MITSUBISHI SEMICONDUCTORS

M63021FP

SPINDLE MOTOR AND 5CH ACTUATOR DRIVER

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.

VM2

Rs

Current path 1

RSL

SL+

M

SL-

FORWARD Current path timing 2.

VM2

Rs

RSL

SL+

M

SL-

Current

path 1

GND

Current path 2

Current

path 2

Control value

GND

Control value

Io=Vrs / Rs

Motor current

carrier period

Time

( 12 / 17)

REV990728

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