A3973 - Dual DMOS Full-Bridge Microstepping PWM Motor Driver

Product Overview

Allegro MicroSystems

Datasheet Details

Part number	A3973
Manufacturer	Allegro MicroSystems
File Size	782.44 KB
Description	Dual DMOS Full-Bridge Microstepping PWM Motor Driver
Datasheet	A3973 Datasheet
Additional preview pages of the A3973 datasheet.

Product details

Description

Designed for pulse-width modulated (PWM) current control of bipolar microstepping stepper motors, the A3973 is capable of continuous output currents to ±1 A and operating voltages to 35 V.

Features

±1 A, 35 V Continuous Output Rating.
Low RDS(on) DMOS Output Drivers.
Optimized Microstepping via 6-Bit Linear DACs.
Programmable Mixed, Fast, and Slow Current Decay Modes.
4 MHz Internal Oscillator for Digital Timing.
Serial-Interface Controls Chip Functions.
Synchronous Rectification for Low Power Dissipation.
Internal UVLO and Thermal Shutdown Circuitry.
Crossover-Current Protection.
Precision 2 V Reference.
Inputs Compatible with 3.3 or.

📁 Similar Datasheet

A3971 - DUAL DMOS FULL-BRIDGE DRIVER (Allegro)
A3974 - Dual Dmos Full-bridge Microstepping PWM Motor Driver (Allegro Micro Systems)
A3976 - Dual Full Bridge Protected Motor Driver (Allegro)
A3977 - Microstepping DMOS Driver (Allegro)
A39 - 10 TO 2000 MHz CASCADABLE AMPLIFIER (Tyco Electronics)
A390 - SILICON RECTIFIER (Powerex Power Semiconductors)
A3901 - Dual Full Bridge Low Voltage Motor Driver (Allegro)
A3903 - Low Voltage DC Motor Driver (Allegro Micro Systems)

Other Datasheets by Allegro MicroSystems

A3972 - Dual DMOS Full-Bridge Microstepping PWM Motor Driver
A3979 - Microstepping DMOS Driver
A3904 - Low Voltage Voice Coil Motor Driver
A3906 - Low Voltage Stepper and Single/Dual DC Motor Driver
A3908 - Low Voltage DC Motor Driver
A3910 - Dual Half Bridge Motor Driver

Published: Nov 17, 2013 |