A4979 Datasheet - Allegro

A4979 - Microstepping Programmable Stepper Motor Driver

The A4979 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 50 V and 1.5 A.

The A4979 can be controlled by simple Step and Directi

A4979 Features

* Typical application up to 1.5 A, 50 V

* Stall detect features

* 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 pow

Datasheet Details

A4979

Allegro

2.69 MB

Microstepping programmable stepper motor driver.

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