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DRV8846 Datasheet Dual H-bridge Stepper Motor Driver

Manufacturer: Texas Instruments

Overview: Product Folder Order Now Technical Documents Tools & Software Support & Community DRV8846 SLLSEK2A – JUNE 2014 – REVISED MARCH 2017 DRV8846 Dual H-Bridge Stepper Motor Driver.

General Description

The DRV8846 provides a highly-integrated stepper motor driver for cameras, printers, projectors, and other automated equipment applications.

The device has two H-bridges and a microstepping indexer and is intended to drive a bipolar stepper motor.

The output block of each H-bridge driver consists of Nchannel and P-channel power MOSFETs configured as full H-bridges to drive the motor windings.

Key Features

  • 1 PWM Microstepping Motor Driver.
  • Built-In Microstepping Indexer.
  • Up to 1/32 Microstepping.
  • Step/Direction Control.
  • Multiple Decay Modes.
  • Smart tune Technology.
  • Mixed Decay.
  • Slow Decay.
  • Fast Decay.
  • Configurable Off-Time PWM Chopping.
  • 10-, 20-, or 30-μs Off-Time.
  • Adaptive Blanking Time for Smooth Stepping.
  • 4- to 18-V Operating Supply Voltage Range.
  • 1.4-A (Full Scale (Max D.

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