M54677FP - 2-PHASE STEPPER MOTOR DRIVER

Mitsubishi Electric

General Description

The M54677FP is a semiconductor IC to drive a bipolar stepper motor directly by controlling the coil current with the constant current method.

Key Features

q Wide output current control range (20.
1000mA) q Bipolar and constant current q Built in a thermal shutdown circuit q Built in flywheel diodes VM11 MA1 E1 M54677FP 8 29 28 27 26 25 24 23 22 21 20 19 N. C MB2 VM22 Vcc2 T2 Ph2 GND.

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M54677FP 2-phase stepper motor driver by Mitsubishi Electric - Datasheet Preview

Datasheet Details

Part number	M54677FP
Manufacturer	Mitsubishi Electric
File Size	123.96 KB
Description	2-PHASE STEPPER MOTOR DRIVER
Datasheet	M54677FP Datasheet

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M54670P	2-PHASE STEPPER MOTOR DRIVER
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M54678FP	2-PHASE STEPPER MOTOR DRIVER

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 M54677FP 2-PHASE STEPPER MOTOR DRIVER DESCRIPTION The M54677FP is a semiconductor IC to drive a bipolar stepper motor directly by controlling the coil current with the constant current method. PIN CONFIGURATION (TOP VIEW) St1 C1 Vref1 1 2 3 4 5 6 7 36 35 34 33 32 31 30 St2 C2 Vref2 VM21 MA2 E2 FEATURES q Wide output current control range (20 – 1000mA) q Bipolar and constant current q Built in a thermal shutdown circuit q Built in flywheel diodes VM11 MA1 E1 M54677FP 8 29 28 27 26 25 24 23 22 21 20 19 N.C MB2 VM22 Vcc2 T2 Ph2 GND APPLICATION Office automation equipment such as printer, FDD, HDD, and FAX 9 GND 10 11 FUNCTION The M54677FP can drive a stepper motor by the 2-phase bipolar method and also control the coil current.