M63023 데이터 시트보기 (PDF) - Mitsumi

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M63023

SPINDLE MOTOR AND 5CH ACTUATOR driveR

Mitsumi 

MITSUBISHI SEMICONDUCTORS

M63023/024/026/027FP

SPINDLE MOTOR AND 5CH ACTUATOR driveR

FG function at SPINDLE drive

The FG terminal outputs the square pulse signal sy nchronizing with the Hall inputs timing.

And, the FG terminal is open-collector output.

Phase delay circuit at SLIDE

Phase delay circuit is built in the IC to detect an output spike current, when the motor current

direction is switching.

In switching the motor current direction, Phase delay circuit switch-of f all output trangister of H -

bridge f or 3usec.

Output current setting at SLIDE

In this IC, since output tranjister is NPN-ty pe tranjister, motor coil current (Io) is larger than

sensing resistance current about 10mA (TYP.) according to base current of output tranjister.

Theref ore please design output current with consisting these base current.

( 14 / 17)

REV010307

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