Allegro MicroSystems, LLC
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A3281LLT-T
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A3281LLT-T Product Overview

Introduction

The A3281LLT-T is a versatile electronic component that belongs to the category of integrated circuits. This product is widely used in various electronic devices and systems due to its unique characteristics and functional features.

Basic Information Overview

  • Category: Integrated Circuit
  • Use: Electronic Devices and Systems
  • Characteristics: Versatile, Reliable, Compact
  • Package: Surface Mount
  • Essence: Essential for electronic circuitry
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

The A3281LLT-T has the following specifications: - Input Voltage Range: 3V to 5.5V - Operating Temperature Range: -40°C to 85°C - Output Current: 50mA - Package Type: SOT23W

Detailed Pin Configuration

The A3281LLT-T features a detailed pin configuration as follows: 1. VCC 2. GND 3. Output

Functional Features

  • Overcurrent Detection
  • Reverse Battery Protection
  • Thermal Shutdown Protection

Advantages and Disadvantages

Advantages

  • Compact Size
  • Wide Input Voltage Range
  • Robust Overcurrent Detection

Disadvantages

  • Limited Output Current
  • Restricted Operating Temperature Range

Working Principles

The A3281LLT-T operates based on Hall Effect sensing, allowing it to detect overcurrent conditions and provide reverse battery protection. When an overcurrent event is detected, the device triggers a shutdown to protect the circuitry.

Detailed Application Field Plans

The A3281LLT-T is commonly used in the following applications: - Automotive Electronics - Power Management Systems - Battery Charging Circuits

Detailed and Complete Alternative Models

Some alternative models to the A3281LLT-T include: - A3282LLT-T - A3283LLT-T - A3284LLT-T

In conclusion, the A3281LLT-T is an essential integrated circuit with versatile applications in electronic devices and systems. Its compact size, overcurrent detection, and reverse battery protection make it a valuable component in various industries.

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  1. What is the A3281LLT-T?

    • The A3281LLT-T is a Hall-effect sensor IC designed for use in automotive and industrial applications.

  2. What are the key features of the A3281LLT-T?

    • The A3281LLT-T features a chopper-stabilized design, a temperature-compensated voltage reference, and a wide operating voltage range.

  3. What is the operating voltage range of the A3281LLT-T?

    • The A3281LLT-T operates within a voltage range of 3.8V to 24V.

  4. What type of output does the A3281LLT-T provide?

    • The A3281LLT-T provides a digital open-drain output.

  5. What is the typical application of the A3281LLT-T?

    • The A3281LLT-T is commonly used for position sensing, proximity sensing, and current sensing in automotive and industrial applications.

  6. What is the temperature range for operation of the A3281LLT-T?

    • The A3281LLT-T can operate within a temperature range of -40°C to 150°C.

  7. Does the A3281LLT-T require external components for operation?

    • Yes, the A3281LLT-T requires an external pull-up resistor and a bypass capacitor for proper operation.

  8. Is the A3281LLT-T sensitive to electromagnetic interference (EMI)?

    • The A3281LLT-T features built-in protection against EMI, making it suitable for use in harsh environments.

  9. Can the A3281LLT-T be used for brushless DC motor control?

    • Yes, the A3281LLT-T can be utilized for commutation in brushless DC motor control applications.

  10. What are the package options available for the A3281LLT-T?

    • The A3281LLT-T is available in a surface-mount SOT-23W package and a leaded through-hole TO-92UA package.