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A3984 Datasheet - Allegro MicroSystems

A3984 - DMOS Microstepping Driver

The A3984 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 sixteenth-step modes, with an output drive capacity of up to 35 V and ±2 A.

The A3984 includes a fixed off-time current regu

A3984 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 TSSOP with exposed thermal pad (suffix LP)

A3984_AllegroMicroSystems.pdf

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Datasheet Details

Part number:

A3984

Manufacturer:

Allegro MicroSystems

File Size:

838.40 KB

Description:

Dmos microstepping driver.

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