A4990KLPTR-T - Allegro MicroSystems

Manufacturer Part Number

A4990KLPTR-T

Manufacturer

allegro-microsystems

Introduction

The A4990 is a motor driver and controller IC designed for automotive applications, providing integrated control and power stage for brushed DC motors.

Product Features and Performance

Bipolar stepper and brushed DC motor support

Fully integrated driver with control and power stage

Half Bridge output configuration with four channels

Parallel interface for connectivity and control

DMOS technology for efficient performance

Automotive grade reliability and performance

Capable of delivering up to 800mA current output

Wide voltage supply range from 0V to 50V

Operational across an extended temperature range from -40°C to 150°C

Product Advantages

Efficient power use due to DMOS technology

Durable and suitable for automotive applications with high-temperature resilience

Versatility with broad voltage compatibility

Ease of use with parallel interface

Compact 20-TSSOP-EP package suitable for space-constrained environments

Key Technical Parameters

Motor Type - Stepper: Bipolar

Motor Type - AC, DC: Brushed DC

Function: Driver - Fully Integrated, Control and Power Stage

Output Configuration: Half Bridge (4)

Interface: Parallel

Current - Output: 800mA

Voltage - Supply: 0V ~ 50V

Voltage - Load: 0V ~ 50V

Operating Temperature: -40°C ~ 150°C (TJ)

Quality and Safety Features

Automotive-grade certification for enhanced reliability

High thermal performance suitable for stringent automotive environments

Compatibility

Compatible with a broad range of stepper and brushed DC motors

Application Areas

Primarily designed for automotive applications, the A4990 can also be used in industrial and consumer electronics where motor control is required.

Product Lifecycle

Product Status: Active

No indication that the A4990 is nearing discontinuation, with allegro-microsystems continuing to support and supply the component.

Availability of replacements or upgrades should be determined by consulting the manufacturer's latest product offerings and roadmaps.

Several Key Reasons to Choose This Product

Versatile motor control solution compatible with both stepper and brushed DC motors

Highly integrated design simplifies circuitry and reduces external component needs

Broad operating voltage and temperature ranges make it suitable for a variety of challenging environments

Automotive-grade quality ensures robust performance and dependability

The package is designed for space efficiency and ease of mounting in dense circuit board layouts.