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M56755FP - SPINDLE MOTOR DRIVER

General Description

The M56755FP is a semiconductor integrated circuit designed for a single chip controller for CD-ROM spindle motor.

M56755FP has a both (forward and reverse) motor torque control by the motor speed control terminal.

Key Features

  • q The supply voltage with wide range. (4.5V to 13.2V) q High motor drive current (1.2A) q Motor current control for the both motor torque is possible. q Reverse torque mode select (SHORT.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MITSUBISHI M56755FP SPINDLE MOTOR DRIVER DESCRIPTION The M56755FP is a semiconductor integrated circuit designed for a single chip controller for CD-ROM spindle motor. M56755FP has a both (forward and reverse) motor torque control by the motor speed control terminal. M56755FP has the several braking mode that an user can flexibly select in order to generate the reverse torque. Also, this device includes a bias circuit for Hall Sensor, a current limit circuit and a thermal shut down function. PIN CONFIGURATION (TOP VIEW) S/S RDS FG CI MODE2 MODE1 1 2 3 4 5 6 7 36 W 35 V 34 U 33 RS 32 MODE3 31 MODE4 30 29 28 GND 27 26 25 24 Hw23 Hw+ 22 Hv21 Hv+ 20 Hu19 Hu+ FEATURES q The supply voltage with wide range. (4.5V to 13.2V) q High motor drive current (1.