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A5985 Datasheet DMOS Microstepping Driver

Manufacturer: Allegro MicroSystems

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General Description

The A5985 is a complete microstepping motor driver with built-in translator for easy operation.

It is designed to operate bipolar stepper motors from full-step up to 1/32 step modes.

Step modes are selectable by MSx logic inputs.

Overview

A5985 DMOS Microstepping Driver with Translator and Overcurrent.

Key Features

  • Drop-in replacement for A4988.
  • Proprietary Adaptive Percent Fast Decay option.
  • Low RDS(on) outputs.
  • Single supply.
  • Microstepping up to 32 microsteps per full step.
  • Full torque step modes.
  • Short-to-ground protection.
  • Shorted load protection.
  • Short-to-battery protection.
  • Fault output.
  • Low current Sleep mode, < 10 µA.
  • Thin profile QFN.
  • Thermal shutdown circuitry.
  • Synchronou.

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