DRV8805DWR Datasheet PDF - TI

Description

●The DRV8805 provides an integrated solution for driving unipolar stepper motors. It includes four low side drivers with overcurrent protection and provides built-in diodes to clamp turnoff transients generated by the motor windings.

●Features

●• 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, 1-2-Phase Half-Step, 1-Phase Wave Drive)

●• DW Package: 1.5-A (Single Channel On) / 800-mA (Four Channels On) Maximum Drive Current per Channel (at 25°C)

●• PWP Package: 2-A (Single Channel On) / 1-A (Four Channels On) Maximum Drive Current per Channel (at 25°C, With Proper PCB Heatsinking)

●• 8.2-V to 60-V Operating Supply Voltage Range

●• Thermally Enhanced Surface Mount Package

●Applications

●• Gaming Machines

●• General Unipolar Stepper Motor Drivers