DRV8805DWR

单极步进电机驱动器IC UNIPOLAR STEPPER MOTOR DRIVER IC

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