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DRV8889-Q1 - Automotive Stepper Driver

General Description

The DRV8889-Q1 and DRV8889A-Q1 are fully integrated stepper motor drivers, supporting up to 1.5 A full scale current with an internal microstepping indexer, smart tune decay technology, advanced stall detection algorithm, and integrated current sensing.

Key Features

  • AEC-Q100 Qualified for Automotive.
  • Up to 1/256 microstepping.
  • Integrated current sense functionality.
  • No sense resistors required.
  • Smart tune decay technology, Fixed slow, and mixed decay options.
  • 4.5 to 45-V Operating supply voltage range.
  • Pin to pin RDS(ON) variants: - DRV8889/A-Q1: 900 mΩ HS + LS at 25°C - DRV8899-Q1: 1200 mΩ HS + LS at 25°C.
  • High current capacity per bridge.
  • DRV8889/A-Q1: 2.4-A peak, 1.5-A full.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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DRV8889-Q1, DRV8889A-Q1 SLVSEE9D – APRIL 2020 – REVISED APRIL 2021 DRV8889-Q1, DRV8889A-Q1 Automotive Stepper Driver with Integrated Current Sense, 1/256 Micro-Stepping, and Stall Detection 1 Features • AEC-Q100 Qualified for Automotive • Up to 1/256 microstepping • Integrated current sense functionality – No sense resistors required • Smart tune decay technology, Fixed slow, and mixed decay options • 4.5 to 45-V Operating supply voltage range • Pin to pin RDS(ON) variants: - DRV8889/A-Q1: 900 mΩ HS + LS at 25°C - DRV8899-Q1: 1200 mΩ HS + LS at 25°C • High current capacity per bridge – DRV8889/A-Q1: 2.4-A peak, 1.5-A full-scale – DRV8899-Q1: 1.