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
