A4994KLPTR-T - Allegro MicroSystems

Manufacturer Part Number

A4994KLPTR-T

Manufacturer

Allegro Microsystems

Introduction

The A4994KLPTR-T from Allegro Microsystems is a motor driver controller designed for power management applications.

Product Features and Performance

Integrated DMOS output stage

Supports up to 50V motor supply voltage

Operates at up to 3.5A continuous output current

Low RDS(on) outputs

Fixed off-time PWM current control

Current decay mode selections

Thermal shutdown with hysteresis

Under-voltage lockout

Crossover-current and short-circuit protection

Product Advantages

High voltage operation for a variety of motors

Prolonged device life with built-in protection features

High efficiency due to low on-resistance

Simple integration with PWM current control

Key Technical Parameters

Supply voltage up to 50V

Continuous output current up to 3.5A

RDS(on) of typically 500 mΩ

PWM operation up to 50 kHz

Overtemperature threshold of 165°C

Quality and Safety Features

Thermal shutdown with hysteresis

Under-voltage lockout for system reliability

Crossover-current protection

Short-circuit protection

Over-temperature protection

Compatibility

A wide range of motor types including stepper, DC, and brushless DC (BLDC) motors

Compatible with various microcontroller interfaces

Application Areas

Industrial automation

Consumer electronics

Automotive systems

Office automation equipment

Point of sale machines

Product Lifecycle

Active product status

Not nearing discontinuation at the time of knowledge cutoff

Availability of replacements or upgrades should be checked with the manufacturer

Several Key Reasons to Choose This Product

Ability to drive high voltage and high current motors

Comprehensive built-in protection features enhance system reliability

Efficient power management with low RDS(on)

Flexibility in applications due to compatibility with various motor types

Active status with availability ensures long-term procurement for product designs