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M54646AP - 2-PHASE STEPPER MOTOR DRIVER

General Description

The M54646AP is a semiconductor IC to drive bipolar stepper motors by controlling winding current with reference to a designated current level.

Key Features

  • q Wide driver voltage range (10.
  • 40V) q Wide output current control range (20.
  • 800mA) q Bipolar and constant current control q Built-in flywheel diode q Built-in thermal protection circuit Comparator input (1) C1 → Comparator reference VR1 → voltage input (1) Output stage VMM1 supply voltage (1) Output terminal (1) MA1 ← Current sensor (1) 1 2 3 4 28 ← C2 27 ← VR2 Comparator input (2) Comparator reference voltage input (2) 26 VMM2 Output stage supply voltage (2) 25 → MA2 O.

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MITSUBISHI M54646AP 2-PHASE STEPPER MOTOR DRIVER DESCRIPTION The M54646AP is a semiconductor IC to drive bipolar stepper motors by controlling winding current with reference to a designated current level.