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A4988

Part Number	A4988
Manufacturer	Allegro
Description	DMOS Microstepping Driver
Published	Mar 30, 2014
Detailed Description	A4988 DMOS Microstepping Driver with Translator and Overcurrent Protection FEATURES AND BENEFITS ▪ Low Rds(on) outputs ...
Datasheet	A4988 PDF File

Overview

A4988 DMOS Microstepping Driver with Translator and Overcurrent Protection FEATURES AND BENEFITS ▪ Low Rds(on) outputs ▪ Automatic current decay mode detection/selection ▪ Mixed and slow current decay modes ▪ Synchronous rectification for low power dissipation ▪ Internal UVLO ▪ Crossover-current protection ▪ 3.
3 and 5 V compatible logic supply ▪ Thermal shutdown circuitry ▪ Short-to-ground protection ▪ Shorted load protection ▪ Five selectable step modes: full, 1/2, 1/4, 1/8, and 1/16 PACKAGE: 28-contact QFN with exposed thermal pad 5 mm × 5 mm × 0.
90 mm (ET package) Not to scale DESCRIPTION The A4988 is a complete microstepping motor driver with built-in translator for easy operation.
It...

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