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A4979

Part Number	A4979
Manufacturer	Allegro
Description	Microstepping Programmable Stepper Motor Driver
Published	Aug 31, 2020
Detailed Description	A4979 Microstepping Programmable Stepper Motor Driver with Stall Detect and Short Circuit Protection FEATURES AND BENEF...
Datasheet	A4979 PDF File

Overview

A4979 Microstepping Programmable Stepper Motor Driver with Stall Detect and Short Circuit Protection FEATURES AND BENEFITS • Typical application up to 1.
5 A, 50 V • Stall detect features • Low RDS(on) outputs, 0.
5 Ω source and sink, typical • Automatic current decay mode detection/selection • Mixed, Fast, and Slow current decay modes • Synchronous rectification for low power dissipation • Internal UVLO and Thermal Shutdown circuitry • Crossover-current protection • Short circuit and open load diagnostics • Hot and cold thermal warning • SPI-compatible or simple Step and Direction motion control • Highly configurable via SPI-compatible serial interface APPLICATIONS • Industrial stepper motor...

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