A4911KJPTR-T - Allegro MicroSystems

Manufacturer Part Number

A4911KJPTR-T

Manufacturer

Allegro MicroSystems

Introduction

The A4911 is a fully integrated brushless DC (BLDC) motor driver with advanced control features, suitable for use in a wide range of automotive and industrial applications.

Product Features and Performance

Fully integrated control and power stage

Supports 3-phase BLDC motors

Configurable via SPI interface

Comprehensive protection features

Operates over a wide temperature range (-40°C to 150°C)

High efficiency and low power consumption

Product Advantages

Simplified system design and reduced component count

Robust protection against short-circuit, over-current, and over-temperature conditions

Flexible configuration options for optimal motor performance

Key Technical Parameters

Supply voltage range: 6V to 28V

Peak output current: 3A

Switching frequency: up to 40kHz

SPI communication interface

Quality and Safety Features

RoHS3 compliant

Automotive-grade quality and reliability

Compatibility

Suitable for a wide range of 3-phase BLDC motors used in automotive and industrial applications

Application Areas

Automotive: Power steering, electric power windows, HVAC blowers, windshield wipers

Industrial: Fans, pumps, compressors, conveyor belts

Product Lifecycle

The A4911 is an active product and is not nearing discontinuation.

Replacement or upgrade options may be available from Allegro MicroSystems or other manufacturers.

Key Reasons to Choose This Product

Fully integrated control and power stage for simplified system design

Robust protection features for reliable and safe operation

Flexible configuration options for optimizing motor performance

Automotive-grade quality and reliability for demanding applications

Wide operating temperature range (-40°C to 150°C) for diverse use cases