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A3967 Datasheet Microstepping Driver

Manufacturer: Allegro MicroSystems

General Description

The A3967 is a complete microstepping motor driver with built-in translator.

It is designed to operate bipolar stepper motors in full-, half-, quarter-, and eighth-step modes, with output drive capability of 30 V and ±750 mA.

The A3967 includes a fixed off-time current regulator that has the ability to operate in slow, fast, or mixed current-decay modes.

Overview

A3967 Microstepping Driver with Translator.

Key Features

  • ±750 mA, 30 V output rating.
  • Satlington® sink drivers.
  • Automatic current-decay mode detection/selection.
  • 3.0 to 5.5 V logic supply voltage range.
  • Mixed, fast, and slow current-decay modes.
  • Internal UVLO and thermal shutdown circuitry.
  • Crossover-current protection.