A3981 Datasheet - Allegro

Automotive Programmable Stepper Driver

A3981 Features

* Peak motor current up to ±1.4 A, 28 V

* Low RDS(on) outputs, 0.5 Ω source and sink, typical

* Automatic current decay mode detection/selection

* Mixed, Fast, and Slow current decay modes

* Synchronous rectification for low power dissipation

* Interna

A3981 General Description

TheA3981 is a flexible microstepping motor driver with built-in translator for easy operation. It is a single-chip solution, designed to operate bipolar stepper motors in full-, half-, quarter- and sixteenth-step modes, at up to 28 V and ±1.4 A. The A3981 can be controlled by simple Step and Directi.

A3981 Datasheet (2.88 MB)

A3981 Datasheet Preview — Preview of A3981 PDF

Datasheet Details

Part number:

A3981

Manufacturer:

Allegro

File Size:

2.88 MB

Description:

Automotive programmable stepper driver.

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A3981 Automotive Programmable Stepper Driver Allegro

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A3981 Features

A3981 General Description

Datasheet Details

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