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A3972SB from ALLEGRO

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A3972SB

Manufacturer: ALLEGRO

DUAL DMOS FULL-BRIDGE MICROSTEPPING PWM MOTOR DRIVER

Partnumber Manufacturer Quantity Availability
A3972SB ALLEGRO 33 In Stock

Description and Introduction

DUAL DMOS FULL-BRIDGE MICROSTEPPING PWM MOTOR DRIVER Part A3972SB is a stepper motor driver manufactured by Allegro MicroSystems. Below are the factual specifications from Ic-phoenix technical data files:

1. **Output Current**: Up to 2 A continuous current per phase.
2. **Operating Voltage**: 12 V to 50 V.
3. **Microstepping**: Supports full-step, half-step, quarter-step, and eighth-step modes.
4. **Logic Supply Voltage**: 3.3 V to 5.5 V.
5. **Package**: 24-pin SOIC (Small Outline Integrated Circuit).
6. **Protection Features**: Thermal shutdown, undervoltage lockout, and crossover-current protection.
7. **Control Interface**: Step and direction inputs for easy interfacing with microcontrollers.
8. **Current Regulation**: Fixed off-time PWM current control.
9. **Operating Temperature Range**: -20°C to +85°C.
10. **Applications**: Suitable for office automation, industrial equipment, and consumer electronics.

These specifications are based on Allegro's official documentation for the A3972SB.

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