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A3901 - Dual Full Bridge Low Voltage Motor Driver

General Description

The A3901 is a dual full-bridge motor driver, designed for low voltage portable applications involving bipolar stepper or brush DC motors.

Key Features

  • Low RDS(on) outputs.
  • Full- and half-stepping capability.
  • Small package.
  • Forward, reverse, and brake modes for DC motors.
  • Sleep mode with zero current drain.
  • PWM control up to 250 kHz.
  • Crossover-current protection.
  • Thermal shutdown (TSD).

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Full PDF Text Transcription for A3901 (Reference)

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A3901 Dual Full Bridge Low Voltage Motor Driver FEATURES AND BENEFITS ▪ Low RDS(on) outputs ▪ Full- and half-stepping capability ▪ Small package ▪ Forward, reverse, and b...

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and half-stepping capability ▪ Small package ▪ Forward, reverse, and brake modes for DC motors ▪ Sleep mode with zero current drain ▪ PWM control up to 250 kHz ▪ Crossover-current protection ▪ Thermal shutdown (TSD) PACKAGE: 10-Contact DFN (suffix EJ) DESCRIPTION The A3901 is a dual full-bridge motor driver, designed for low voltage portable applications involving bipolar stepper or brush DC motors. The outputs have been optimized for low voltage drop, with currents up to ±400 mA (±800 mA with outputs paralleled) and an operating voltage range of 2.5 to 5.5 V.