A4949KLJTR-T - Allegro MicroSystems

Manufacturer Part Number

A4949KLJTR-T

Manufacturer

Allegro Microsystems

Introduction

A4949KLJTR-T is a motor driver/controller component designed for power management applications, specifically for controlling multiphase stepper and brushless DC motors.

Product Features and Performance

Designed for multiphase and BLDC motor control

Half Bridge output configuration, with 3 outputs

PWM interface for controlled motor speed

Power MOSFET technology for efficient power transfer

Capable of delivering up to 1.8A output current

Supports a supply voltage range from 4V to 18V

Operable in a temperature range from -40°C to 125°C

Product Advantages

Effective solution for fan motor driving applications

Offers heat dissipation through exposed pad package

Compact 8-SOIC footprint for space-saving designs

Obsolete product with potential for legacy system use

Key Technical Parameters

Motor Type - Stepper: Multiphase

Motor Type - AC, DC: Brushless DC (BLDC)

Function: Fan Control

Output Configuration: Half Bridge (3)

Interface: PWM

Current - Output: 1.8A

Voltage - Supply: 4V ~ 18V

Operating Temperature: -40°C ~ 125°C (TA)

Mounting Type: Surface Mount

Package / Case: 8-SOIC EP

Quality and Safety Features

Built with Allegro Microsystems' commitment to quality

Can operate across a wide temperature range ensuring reliability

Compatibility

Designed for compatibility with a range of fans and motors

Suited for devices requiring PWM motor control

Application Areas

Primarily used for Fan Motor Driver applications

Could be utilized in other motor control scenarios requiring the part's specifications

Product Lifecycle

Obsolete status indicating discontinuation of production

Potential availability of replacements or upgrades should be investigated for long-term projects

Several Key Reasons to Choose This Product

High efficiency Power MOSFET technology

Proper thermal management with exposed pad package

High current output capability up to 1.8A

Broad operating voltage range, facilitating various power supplies

Allegro Microsystems is known for reliable and robust products