A3984 Datasheet - Allegro MicroSystems

DMOS Microstepping Driver

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 General Description

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 Datasheet (838.40 KB)

A3984 Datasheet Preview — Preview of A3984 PDF

Datasheet Details

Part number:

A3984

Manufacturer:

Allegro MicroSystems

File Size:

838.40 KB

Description:

Dmos microstepping driver.

📁 Related Datasheet

A3980 Automotive DMOS Microstepping Driver (Allegro MicroSystems)

A3981 Automotive Programmable Stepper Driver (Allegro)

A3982 DMOS Stepper Motor Driver (Allegro)

A3983 DMOS Microstepping Driver (Allegro MicroSystems)

A3985 Digitally Programmable Dual Full-Bridge MOSFET Driver (Allegro MicroSystems)

A3986 Dual Full-Bridge MOSFET Driver (Allegro MicroSystems)

A3987 DMOS Microstepping Driver (Allegro MicroSystems)

A3988 Quad DMOS Full Bridge PWM Motor Driver (Allegro MicroSystems)

A3989 Bipolar Stepper and High Current DC Motor Driver (Allegro MicroSystems)

A39 10 TO 2000 MHz CASCADABLE AMPLIFIER (Tyco Electronics)

TAGS

A3984 DMOS Microstepping Driver Allegro MicroSystems

Image Gallery

A3984 Features

A3984 General Description

Datasheet Details

File Size:

Description:

A3984 Distributor