A3901SEJTR-T - Allegro MicroSystems

Manufacturer Part Number

A3901SEJTR-T

Manufacturer

allegro-microsystems

Introduction

The A3901SEJTR-T is a Power Management Integrated Circuit (PMIC) designed for motor driving, specifically geared towards bipolar stepper motors and brushed DC motors.

Product Features and Performance

Fully integrated driver, control, and power stage

Supports half-bridge output configuration

Utilizes Power MOSFET technology

Parallel interface

Capable of 1 and 1/2 step resolutions

Can manage current output of 400mA

Operates with supply and load voltages ranging from 2.5V to 5.5V

Product Advantages

High integration reduces component count and simplifies design

Compact 10-WFDFN exposed pad package

Robust operating temperature from -20°C to 150°C

Key Technical Parameters

Motor Type: Bipolar Stepper, Brushed DC

Step Resolution: 1, 1/2

Current Output: 400mA

Voltage Supply: 2.5V ~ 5.5V

Voltage Load: 2.5V ~ 5.5V

Operating Temperature: -20°C ~ 150°C

Quality and Safety Features

Extended operating temperature range up to 150°C ensures reliability in harsh environments

Compatibility

Flexible voltage compatibility from 2.5V to 5.5V for both supply and load

Application Areas

General Purpose motor-driving applications

Product Lifecycle

Status: Active

This product is still being promoted and supported with no current plans for discontinuation.

Several Key Reasons to Choose This Product

Robust thermal and electrical specifications allow for use in a wide range of environments

The use of Power MOSFET technology provides efficient power management and heat handling

Compact and highly integrated design eases implementation and minimizes the need for additional components