Download A5989 Datasheet PDF
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A5989 Description

The A5989 is designed to operate at voltages up to 40 V while driving one bipolar stepper motor at currents up to 1.6 A, and one DC motor at currents up to 3.2 A. The A5989 includes a fixed off-time pulse-width modulation (PWM) regulator for current control.

A5989 Key Features

  • 40 V output rating
  • 3.2 A DC motor driver
  • 1.6 A bipolar stepper driver
  • Synchronous rectification
  • Internal undervoltage lockout (UVLO)
  • Thermal shutdown circuitry
  • Crossover-current protection
  • Very thin profile QFN package
  • Overcurrent protection
  • Low-power sleep mode