A3903EEETR-T - Allegro MicroSystems

Manufacturer Part Number

A3903EEETR-T

Manufacturer

Allegro Microsystems

Introduction

A dedicated integrated circuit for power management, specifically designed for motor driving applications

Product Features and Performance

Power MOSFET technology

Integrated control and power stage

Dual Half Bridge output configuration

Parallel interface for simple control connectivity

Surface mount technology for compact circuit design

Built for operating in wide temperature ranges (-40°C ~ 150°C)

Product Advantages

High integration reduces component count and system complexity

Capable of driving brushed DC motors directly

Extended operating temperature suitable for harsh environments

Key Technical Parameters

Output Current: 500mA

Supply Voltage: 3V to 5.5V

Load Voltage: 3V to 5.5V

Operating Temperature Range: -40°C to 150°C

Quality and Safety Features

High thermal performance with operating temperature up to 150°C

Robust design for enhanced reliability

Compatibility

Suitable for standard surface mount processes

Compatible with 3V to 5.5V power supplies

Designed for brushed DC motor applications

Application Areas

General purpose motor driving applications

Product Lifecycle

Obsolete - Product nearing discontinuation with potential for available replacements or upgrades

Several Key Reasons to Choose This Product

Optimized for low voltage applications

Highly integrated solution reducing overall system cost

Ease of use with parallel interface

Durable design for high-temperature operation

Well-suited for a variety of general purpose applications