A3972 Datasheet Dual DMOS Full-Bridge Microstepping PWM Motor Driver

Manufacturer: Allegro MicroSystems

A3972 dual dmos full-bridge microstepping pwm motor driver by Allegro MicroSystems - Datasheet Preview

Datasheet Details

Part number	A3972
Manufacturer	Allegro MicroSystems
File Size	295.85 KB
Description	Dual DMOS Full-Bridge Microstepping PWM Motor Driver
Download	A3972 Download (PDF)

Overview

3972 CHARGE PUMP DUAL DMOS FULL-BRIDGE MICROSTEPPING PWM MOTOR DRIVER VCP CP1 CP2 OUT1B LOAD SUPPLY1 GROUND GROUND SENSE1 OUT1A STROBE CLOCK DATA 1 2 3 4 5 6 7 8 9 9 10 11 12 24 23 22 21 20 19 18 17.

Key Features

I ±1.5 A, 50 V Continuous Output Rating I Low rDS(on) DMOS Output Drivers I Optimized Microstepping via 6-Bit Linear DACs I Programmable Mixed, Fast, and Slow Current-Decay Modes I 4 MHz Internal Oscillator for Digital Timing I Serial-Interface Controls Chip Functions I Synchronous Rectification for Low Power Dissipation I Internal UVLO and Thermal Shutdown Circuitry I Crossover-Current Protection I Precision 2 V Reference I Inputs Compatible with 3.3 V or 5 V Control Signals I Sleep and Idle Mo.

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