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A3983

Part Number	A3983
Manufacturer	Allegro MicroSystems
Description	DMOS Microstepping Driver
Published	Mar 16, 2015
Detailed Description	A3983 DMOS Microstepping Driver with Translator Features and Benefits ▪ Low RDS(ON) outputs ▪ Automatic current decay m...
Datasheet	A3983 PDF File

Overview

A3983 DMOS Microstepping Driver with Translator 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 and thermal shutdown circuitry ▪ Crossover-current protection Package: 24-pin TSSOP with exposed thermal pad (suffix LP) Not to scale Description The A3983 is a complete microstepping motor driver with built-in translator for easy operation.
It is designed to operate bipolar stepper motors in full-, half-, quarter-, and eighth-step modes, with an output drive capacity of up to 35 V and ±2 A.
The A3983 includes a fixed off-time current regulator...

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