A3921KLPTR-T

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A3921KLPTR-T

+Nomenclature

IC MOTOR DRIVER 5.5V-50V 28TSSOP

  • FabricantAllegro microsystèmes

  • Pièce fabricant #A3921KLPTR-T

  • En stock7602

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Spécifications

Attribut Valeur
Part Status Active
Mounting Type Surface Mount
Package / Case 28-TSSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package 28-TSSOP-EP
Base Product Number A3921
Motor Type - AC, DC Brushed DC
Function Controller - Commutation, Direction Management
Output Configuration Pre-Driver - Half Bridge (2)
Interface PWM
Technology Power MOSFET
Voltage - Supply 5.5V ~ 50V
Operating Temperature -40°C ~ 150°C (TA)
Grade Automotive

Présentation

Description

A3921KLPTR-T is a high-performance integrated circuit designed primarily for automotive applications. It is a dual-channel H-bridge motor driver that allows for efficient control of DC motors and stepper motors. This device supports various control modes, including PWM (Pulse Width Modulation), which enables precise speed and direction control.
Key features include:
- Wide operating voltage range suitable for automotive systems.
- Integrated protection features like overcurrent, thermal shutdown, and undervoltage lockout.
- High efficiency, reducing heat generation and improving reliability.
- Compact package design, optimizing space in automotive electronics.
The A3921KLPTR-T is ideal for applications such as electric power steering, automotive HVAC systems, and other automotive motor control tasks, making it a versatile choice for engineers working in the automotive sector.

Equivalent

The A3921KLPTR-T is a high-performance motor driver IC. Equivalent products include the Texas Instruments DRV8701, Allegro A4931, and STMicroelectronics L6208. These alternatives also provide similar functionalities for driving stepper motors and may have varying specifications, so it’s essential to compare datasheets for compatibility in your specific application.

Features

The A3921KLPTR-T is a high-performance Hall-effect latch designed for position sensing applications. Key features include:
1. Operating Voltage: Supports a range of 4.5V to 38V, making it suitable for various power supply configurations.
2. Hall Effect Sensing: Utilizes a Hall-effect sensor for reliable magnetic field detection, enabling precise position sensing.
3. Built-in Temperature Compensation: Enhances performance stability across a wide temperature range, typically from -40°C to +150°C.
4. Low Power Consumption: Designed for efficiency, making it suitable for battery-operated devices.
5. Fast Response Time: Offers quick switching times, enhancing system performance in dynamic applications.
6. Digital Output: Provides a clean on/off output signal, simplifying integration with microcontrollers or other digital systems.
7. Compact Package: Housed in a small surface-mount package, ideal for space-constrained designs.
These features make the A3921KLPTR-T ideal for automotive, industrial, and consumer applications requiring reliable position sensing.

Pinout

The A3921KLPTR-T is a high-performance motor driver IC with a package containing 32 pins. This device is designed to control bipolar stepper motors in a variety of applications, including printers, robotics, and automation systems.
Key functions of the A3921KLPTR-T include:
- Microstepping Control: Allows for smooth motor operation by dividing each full step into smaller steps.
- Current Regulation: Provides adjustable control of the motor current to protect the motor and improve efficiency.
- Direction Control: Supports bidirectional operation of the motor.
- Enable/Disable Functionality: Allows for power management by enabling or disabling the driver.
- Fault Protection: Features overtemperature and overcurrent protection to enhance reliability.
The A3921KLPTR-T is commonly used in applications requiring precise motor control and efficiency.

Manufacturer

The A3921KLPTR-T is manufactured by Allegro MicroSystems, Inc. Allegro is a semiconductor company that specializes in developing and manufacturing high-performance analog and mixed-signal integrated circuits (ICs). They focus on providing innovative solutions for various applications, including automotive, industrial, and consumer electronics.
Allegro is particularly known for its expertise in magnetic sensing, power management, and motor driver technologies. The company’s products are widely used in systems requiring precision sensing and control, making it a key player in the semiconductor industry. Allegro MicroSystems operates globally, serving a diverse range of markets and customers by providing reliable and efficient semiconductor components.

Application

The A3921KLPTR-T is a high-performance Hall effect sensor primarily used in automotive applications, including position sensing for pedals, steering columns, and motor control. It is also suitable for industrial applications such as brushless DC motor control, speed detection, and proximity sensing. Additionally, the sensor can be employed in consumer electronics for contactless switch applications and in robotics for feedback control systems. Its robust design and precision make it ideal for environments with varying temperatures and electromagnetic interference.

Package

The A3921KLPTR-T is packaged in a 16-pin TSSOP (Thin Shrink Small Outline Package), which is known for its compact size and suitability for surface-mount applications.

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