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A3982

Part Number	A3982
Manufacturer	Allegro
Description	DMOS Stepper Motor Driver
Published	Apr 22, 2014
Detailed Description	A3982 DMOS Stepper Motor Driver with Translator FEATURES AND BENEFITS ▪ Low RDS(on) outputs ▪ Automatic current decay m...
Datasheet	A3982 PDF File

Overview

A3982 DMOS Stepper Motor 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 SOICW with internally fused leads (suffix LB) Not to scale DESCRIPTION The A3982 is a complete stepper motor driver with built-in translator for easy operation.
It is designed to operate bipolar stepper motors in full- and half-step modes, with an output drive capacity of up to 35 V and ±2 A.
The A3982 includes a fixed off-time current regulator which has the ability ...

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