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DRV8805 - Unipolar Stepper Motor Driver

Description

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.

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 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.

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Datasheet preview – DRV8805

Datasheet Details

Part number DRV8805
Manufacturer Texas Instruments
File Size 1.66 MB
Description Unipolar Stepper Motor Driver
Datasheet download datasheet DRV8805 Datasheet
Additional preview pages of the DRV8805 datasheet.

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Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community DRV8805 SLVSAW3D – JULY 2011 – REVISED JANUARY 2016 DRV8805 Unipolar Stepper Motor Driver IC 1 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 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.
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