A3982 Datasheet - Allegro

A3982 DMOS Stepper Motor Driver

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 t.

A3982 Features

* ▪ 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

A3982-Allegro.pdf