Download A4984 Datasheet PDF
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A4984 Description

The A4984 is a plete 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.

A4984 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 patible logic supply
  • Thin profile QFN and TSSOP packages
  • Thermal shutdown circuitry
  • Short-to-ground protection