A4940KLPTR-T

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A4940KLPTR-T

IC MOTOR DRIVER 5.5V-50V 24TSSOP

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規格

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Obsolete
MotorType-ACDC Brushed DC
Function Controller - Commutation, Direction Management
OutputConfiguration Pre-Driver - Half Bridge (2)
Interface On/Off
Technology Power MOSFET
Applications Automotive
Voltage-Supply 5.5V ~ 50V
OperatingTemperature -40°C ~ 150°C (TA)
MountingType Surface Mount
Package/Case 24-TSSOP (0.173, 4.40mm Width) Exposed Pad

概述

Description

The A4940KLPTR-T is a motor driver IC manufactured by Allegro MicroSystems. It is designed for automotive and industrial applications, providing efficient control of DC motors. This chip integrates a full H-bridge motor driver circuit, enabling precise control over motor speed and direction. It operates over a wide voltage range and includes protection features such as thermal shutdown, undervoltage lockout, and overcurrent protection, ensuring reliability in demanding environments.
The A4940KLPTR-T is housed in a compact package, making it suitable for space-constrained applications. It supports a range of input signals for controlling the motor, including PWM (Pulse Width Modulation) for speed control. The device is optimized for low power consumption while maintaining high output power, making it an ideal choice for energy-efficient motor control solutions.
In summary, the A4940KLPTR-T is a versatile and robust motor driver IC ideal for applications requiring precise motor control, reliability, and efficiency. Its comprehensive protection features and compact design make it highly suitable for modern automotive and industrial systems.

Features

The A4940KLPTR-T is a motor driver IC designed for driving brushless DC motors. Key features include:
1. Three-Phase Motor Driver: Capable of driving three-phase brushless DC motors, suitable for various applications requiring precise motor control.
2. Integrated MOSFETs: Includes built-in MOSFETs to provide efficient motor control, reducing the need for external components and simplifying design.
3. Adjustable PWM Control: Offers pulse-width modulation (PWM) for speed control, allowing for efficient motor operation and energy savings.
4. Current Sensing and Limiting: Features current sensing capabilities to protect against overcurrent conditions, enhancing the reliability of motor operation.
5. Protection Features: Includes thermal shutdown, undervoltage lockout, and crossover-current protection to prevent damage and ensure safe operation.
6. Compact Package: Comes in a small, thermally efficient package suitable for space-constrained applications.
7. Wide Voltage Range: Operates over a broad voltage range, making it versatile for different motor types and voltage requirements.
This IC is ideal for applications such as fans, pumps, and other systems requiring efficient and compact motor control solutions.

Package

The A4940KLPTR-T is a motor driver integrated circuit (IC) packaged in a 16-pin TSSOP (Thin Shrink Small Outline Package) with an exposed thermal pad, often referred to as TSSOP-EP.

Pinout

The A4940KLPTR-T is an automotive-qualified motor driver IC from Allegro Microsystems. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The primary function of the A4940KLPTR-T is to control and drive DC motors in automotive applications. It integrates features such as low-side MOSFET drivers, current sensing, and diagnostic capabilities to ensure reliable operation and protection of the motor system. The device is designed to operate over a wide voltage range, making it suitable for various automotive motor control applications, including window lifts, seat adjusters, and other DC motor-driven functions.

Manufacturer

The A4940KLPTR-T is manufactured by Allegro MicroSystems. Allegro is a leading company in the development and manufacturing of high-performance power and sensing semiconductors. These products are typically used in a variety of applications, including automotive, industrial, consumer, and energy-efficient systems. Allegro MicroSystems is known for its innovative solutions that enhance the efficiency, reliability, and performance of electronic systems.

Application

The A4940KLPTR-T is a motor driver IC commonly used in automotive, industrial, and consumer applications. It is designed for driving DC motors and can be used in applications such as electric window lifts, seat adjusters, sunroofs, and other automotive motor control systems. Additionally, it is suitable for use in industrial automation equipment and various consumer electronics requiring efficient and reliable motor control.

Equivalent

The A4940KLPTR-T is a three-phase brushless DC motor driver by Allegro Microsystems. Equivalent products can include similar motor drivers from other manufacturers like:
1. DRV8301 by Texas Instruments
2. L6234 by STMicroelectronics
3. TC78B016FTG by Toshiba
4. MC34933 by NXP Semiconductors
Make sure to compare specifications such as voltage range, current capacity, and additional features to ensure compatibility with your application.

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