A3940KLPTR-T - Allegro MicroSystems

Manufacturer Part Number

A3940KLPTR-T

Manufacturer

allegro-microsystems

Introduction

The A3940KLPTR-T by allegro-microsystems is a Power Management (PMIC) Motor Driver specifically designed for controlling brushed DC motors with high efficiency and precision.

Product Features and Performance

Controller for commutation and direction management of brushed DC motors

Pre-Driver configuration supporting half bridge (2) outputs

Parallel interface for simple and direct communication

Utilizes Power MOSFET technology for efficient power conversion

Supports a wide supply voltage range from 7V to 40V

Capable of operating in extreme conditions with a temperature range of -40°C to 135°C

Product Advantages

High efficiency and precise control over motor functionality

Robust design suitable for automotive applications

Simplified integration due to parallel interface

Wide voltage operation range allowing usage in various applications

Engineered for high-temperature resilience, enhancing reliability

Key Technical Parameters

Motor Type: Brushed DC

Function: Controller Commutation, Direction Management

Output Configuration: Pre-Driver Half Bridge (2)

Voltage Supply: 7V ~ 40V

Operating Temperature: -40°C ~ 135°C (TA)

Mounting Type: Surface Mount

Package / Case: 28-TSSOP (0.173", 4.40mm Width) Exposed Pad

Quality and Safety Features

Designed to meet automotive-grade reliability and safety standards

Integrated features to enable controlled motor management

Compatibility

Suitable for brushed DC motors within the specified voltage and temperature ranges

Application Areas

Primarily aimed at the automotive sector but adaptable for industrial and consumer applications requiring efficient and robust motor control.

Product Lifecycle

Status: Obsolete

As this product is now considered obsolete, it is advisable to consider future-proofing by looking into available upgrades or replacements.

Several Key Reasons to Choose This Product

Allegro-microsystems' reputation for durable and precision motor control components

Technical performance allowing for efficient power management and motor control

Automotive-grade robustness making it reliable for applications exposed to harsh conditions

Wide voltage and temperature operation ranges, offering a versatile solution for diverse motor control needs

Obsolescence status necessitates considering this part for applications where long-term supply is not critical, or where suitable replacements have been identified.