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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.