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A3988 - Quad DMOS Full Bridge PWM Motor Driver

Datasheet Summary

Description

The A3988 is a quad DMOS full-bridge driver capable of driving up to two stepper motors or four DC motors.

Each full-bridge output is rated up to 1.2 A and 36 V.

Features

  • 36 V output rating.
  • 4 full bridges.
  • Dual stepper motor driver.
  • High current outputs.
  • 3.3 and 5 V compatible logic supply.
  • Synchronous rectification.
  • Internal undervoltage lockout (UVLO).
  • Thermal shutdown circuitry.
  • Crossover-current protection.
  • Low profile QFN package.

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Datasheet preview – A3988

Datasheet Details

Part number A3988
Manufacturer Allegro MicroSystems
File Size 888.86 KB
Description Quad DMOS Full Bridge PWM Motor Driver
Datasheet download datasheet A3988 Datasheet
Additional preview pages of the A3988 datasheet.

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Full PDF Text Transcription

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A3988 Quad DMOS Full Bridge PWM Motor Driver FEATURES AND BENEFITS • 36 V output rating • 4 full bridges • Dual stepper motor driver • High current outputs • 3.3 and 5 V compatible logic supply • Synchronous rectification • Internal undervoltage lockout (UVLO) • Thermal shutdown circuitry • Crossover-current protection • Low profile QFN package PACKAGES Package EV, 36-pin QFN 0.90 mm nominal height with exposed thermal pad Approximate footprint Package JP, 48-pin LQFP with exposed thermal pad DESCRIPTION The A3988 is a quad DMOS full-bridge driver capable of driving up to two stepper motors or four DC motors. Each full-bridge output is rated up to 1.2 A and 36 V.
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