A3931KJPTR-T - Allegro MicroSystems

Manufacturer Part Number

A3931KJPTR-T

Manufacturer

Allegro MicroSystems

Introduction

Integrated circuit for driving three-phase brushless DC (BLDC) motors

Product Features and Performance

Supports 5.5V to 50V input voltage range

Integrated power MOSFETs for half-bridge pre-driver configuration

On-chip current sensing and regulation

Angle-based commutation control

Direction management

Thermal shutdown and overvoltage protection

Product Advantages

Compact 48-LQFP package with exposed pad for improved thermal dissipation

Supports wide range of BLDC motor applications

Robust protection features for reliable operation

Key Technical Parameters

48-LQFP Exposed Pad package

Operating temperature range: -40°C to 150°C

Supply voltage: 5.5V to 50V

Quality and Safety Features

RoHS3 compliant

Thermal shutdown and overvoltage protection

Compatibility

Suitable for automotive and industrial applications using BLDC motors

Application Areas

Automotive systems (e.g., power steering, windshield wipers, fans)

Industrial automation (e.g., pumps, fans, compressors)

Product Lifecycle

This product is currently in active production and not nearing discontinuation.

Replacement or upgrade options may be available from Allegro MicroSystems.

Key Reasons to Choose This Product

Wide input voltage range and robust protection features for reliable operation

Compact package with exposed pad for improved thermal dissipation

Angle-based commutation control and direction management for advanced motor control

Suitability for a wide range of BLDC motor applications in automotive and industrial sectors