DRV8805 Datasheet - Texas Instruments

DRV8805 Unipolar Stepper Motor Driver

The DRV8805 provides an integrated solution for driving unipolar stepper motors. It includes four lowside drivers with overcurrent protection and provides built-in diodes to clamp turnoff transients generated by the motor windings. Indexer logic to control a unipolar stepper motor using a simple ste.

DRV8805 Features

* 1 4-Channel Protected Low-Side Driver

* Four NMOS FETs With Overcurrent Protection

* Integrated Inductive Clamp Diodes

* Indexer/Translator for Unipolar Stepper Motors

* Simple Step/Direction Interface

* Three Step Modes (2-Phase Full-Step, 1-2Phase H

DRV8805-etcTI.pdf