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A3916 Datasheet Dual DMOS Full-Bridge Motor Driver

Manufacturer: Allegro MicroSystems

Overview: A3916 Dual DMOS Full-Bridge Motor Driver.

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General Description

Designed for pulse-width-modulated (PWM) control of lowvoltage stepper motors and single and dual DC motors, the A3916 is capable of output currents up to 1 A per channel and operating voltages from 2.7 to 15 V.

The A3916 has an internal fixed off-time PWM timer that sets a peak current based on the selection of a current sense resistor.

An output fault flag is provided that notifies the user of a TSD or overcurrent protection event.

Key Features

  • Wide, 2.7 to 15 V input voltage operating range.
  • Dual DMOS full-bridges: drive two DC motors or one stepper motor.
  • Low RDS(ON) outputs.
  • Synchronous rectification for reduced power dissipation.
  • Low-current sleep mode.
  • Overcurrent protection.
  • Internal UVLO and thermal shutdown circuitry.
  • Integrated charge pump.
  • Pin-to-pin compatible with A3906.

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