A3989 - Bipolar Stepper and High Current DC Motor Driver

Allegro MicroSystems

A3989 Datasheet Preview — Preview of A3989 PDF

Datasheet Details

Part number	A3989
Manufacturer	Allegro MicroSystems
File Size	788.35 KB
Description	Bipolar Stepper and High Current DC Motor Driver
Datasheet	A3989_AllegroMicroSystems.pdf

A3989 Product details

Description

The A3989 is designed operate at voltages up to 36 V while driving one bipolar stepper motor at currents up to 1.2A, and one DC motor at currents up to 2.4 A.

Features

36 V output rating.
2.4 A DC motor driver.
1.2 A bipolar stepper driver.
Synchronous rectification.
Internal undervoltage lockout (UVLO).
Thermal shutdown circuitry.
Crossover-current protection.
Very thin profile QFN package Package: 36 pin QFN with exposed thermal pad 0.90 mm nominal height (suffix EV) Not to scale.

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Published: May 2, 2007 |