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A3973 - Dual DMOS Full-Bridge Microstepping PWM Motor Driver

A3973 Description

A3973 Dual DMOS Full-Bridge Microstepping PWM Motor Driver Discontinued Product This device is no longer in production.The device should not be purc.
Designed for pulse-width modulated (PWM) current control of bipolar microstepping stepper motors, the A3973 is capable of continuous output currents.

A3973 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 L

A3973 Applications

* Samples are no longer available. Date of status change: November 1, 2010 Recommended Substitutions: For existing customer transition, and for new customers or new applications, refer to the A3992. NOTE: For detailed information on purchasing options, contact your local Allegro field applications

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Datasheet Details

Part number
A3973
Manufacturer
Allegro MicroSystems
File Size
782.44 KB
Datasheet
A3973_AllegroMicroSystems.pdf
Description
Dual DMOS Full-Bridge Microstepping PWM Motor Driver

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Dual DMOS Full-Bridge Microstepping PWM Motor Driver Allegro MicroSystems
Allegro MicroSystems A3973-like datasheet