DRV8889-Q1 Overview
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. The device supports up to 1/256 levels of microstepping to enable a smooth motion profile.
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-scale – DRV8899-Q1: 1.7-A peak, 1-A full-scale
- TRQ_DAC bits to scale full-scale current
