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DRV8821 - Dual Stepper Motor Controller and Driver

Description

The DRV8821 provides a dual microstepping-capable stepper motor controller/driver solution for printers, scanners, and other office automation equipment applications.

Two independent stepper motor driver circuits include four H-bridge drivers and microstepping-capable indexer logic.

Features

  • 1 Dual PWM Microstepping Motor Driver.
  • Built-In Microstepping Indexers.
  • Up to 1.5-A Current Per Winding.
  • Three-Bit Winding Current Control Allows up to Eight Current Levels.
  • Low MOSFET On-Resistance.
  • Selectable Slow or Mixed Decay Modes.
  • 8-V to 32-V Operating Supply Voltage Range.
  • Internal Charge Pump for Gate Drive.
  • Built-in 3.3-V Reference.
  • Simple Step/Direction Interface.
  • Fully Protected Against.

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Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community DRV8821 SLVS912J – JANUARY 2009 – REVISED JANUARY 2016 DRV8821 Dual Stepper Motor Controller and Driver 1 Features •1 Dual PWM Microstepping Motor Driver – Built-In Microstepping Indexers – Up to 1.5-A Current Per Winding – Three-Bit Winding Current Control Allows up to Eight Current Levels – Low MOSFET On-Resistance – Selectable Slow or Mixed Decay Modes • 8-V to 32-V Operating Supply Voltage Range • Internal Charge Pump for Gate Drive • Built-in 3.
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