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A4984 Datasheet Dmos Microstepping Driver

Manufacturer: Allegro MicroSystems

Overview: A4984 DMOS Microstepping Driver with Translator and Overcurrent.

General Description

The A4984 is a complete microstepping motor driver with built-in translator for easy operation.

It is designed to operate bipolar stepper motors in full-, half-, quarter-, and eighth-step modes.

Step modes are selectable by MSx logic inputs.

Key Features

  • Low RDS(ON) outputs.
  • Automatic current decay mode detection/selection.
  • Mixed and Slow current decay modes.
  • Synchronous rectification for low power dissipation.
  • Internal UVLO.
  • Crossover-current protection.
  • 3.3 and 5 V compatible logic supply.
  • Thin profile QFN and TSSOP packages.
  • Thermal shutdown circuitry.
  • Short-to-ground protection.
  • Shorted load protection.
  • Low current Sleep mode, < 10 µA.
  • No smoke no fire (NSNF) compliance (ET pa.

More Datasheets from Allegro MicroSystems

Part Number Description
A4980 Automotive Programmable Stepper Driver
A4982 DMOS Microstepping Driver
A4985 DMOS Microstepping Driver
A4987 DMOS Dual Full-Bridge PWM Motor Driver
A4988 DMOS Microstepping Driver
A4989 Dual Full-Bridge MOSFET Driver
A4900 High Voltage Three Phase Gate Driver
A4910 Automotive 3-Phase MOSFET Driver
A4911-1 Automotive Three-Phase MOSFET Driver
A4911-1A Automotive Three-Phase MOSFET Driver

A4984 Distributor