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TLE4945L
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TLE4945L

Product Overview

The TLE4945L belongs to the category of Hall Effect sensors and is commonly used for position sensing in automotive applications. This sensor possesses characteristics such as high sensitivity, low power consumption, and a small package size. It is typically available in a surface-mount package and is essential for precise and reliable position detection in various automotive systems.

Basic Information

  • Category: Hall Effect Sensor
  • Use: Position sensing in automotive applications
  • Characteristics: High sensitivity, low power consumption, small package size
  • Package: Surface-mount
  • Essence: Precise and reliable position detection
  • Packaging/Quantity: Typically supplied in reels or tubes containing multiple units

Specifications

  • Operating Voltage: 3.8V to 24V
  • Output Current: 20mA
  • Operating Temperature Range: -40°C to 150°C
  • Sensitivity: 2.5mT
  • Package Type: SOT23-3

Detailed Pin Configuration

  1. VCC
  2. GND
  3. Output

Functional Features

  • High sensitivity for accurate position detection
  • Low power consumption for energy efficiency
  • Wide operating voltage range for versatility
  • Small package size for easy integration into compact designs

Advantages and Disadvantages

Advantages

  • Accurate and reliable position sensing
  • Low power consumption
  • Compact and versatile design

Disadvantages

  • Limited temperature range compared to some alternatives
  • May require additional protection in harsh environments

Working Principles

The TLE4945L operates based on the Hall Effect, where a magnetic field perpendicular to the sensor's surface generates a voltage difference. This voltage is then converted into a digital output signal, providing information about the position of the magnetic source relative to the sensor.

Detailed Application Field Plans

The TLE4945L is widely used in automotive applications, including: - Throttle position sensing - Gear shift position detection - Steering angle measurement - Brushless DC motor control

Detailed and Complete Alternative Models

Some alternative models to the TLE4945L include: - A1324LUA-T (Allegro MicroSystems) - OH090U (Littelfuse) - SS49E (Honeywell)

In conclusion, the TLE4945L Hall Effect sensor offers high sensitivity, low power consumption, and a compact design, making it an ideal choice for precise position sensing in automotive systems.

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10個與TLE4945L在技術方案中應用相關的常見問題與解答

  1. What is the TLE4945L used for?

    • The TLE4945L is a Hall sensor designed for use in automotive and industrial applications to detect the position of a magnetic field.

  2. What is the operating voltage range of the TLE4945L?

    • The TLE4945L operates within a voltage range of 3.0V to 18V, making it suitable for a wide variety of applications.

  3. What is the output signal of the TLE4945L?

    • The TLE4945L provides a digital output signal, making it easy to interface with microcontrollers and other digital systems.

  4. How does the TLE4945L handle temperature variations?

    • The TLE4945L has a wide temperature range of -40°C to 150°C, ensuring reliable operation in harsh environments.

  5. Can the TLE4945L be used for speed sensing applications?

    • Yes, the TLE4945L can be used for speed sensing by detecting the rotational position of a magnetized target.

  6. What are the typical applications of the TLE4945L in automotive systems?

    • The TLE4945L is commonly used in applications such as throttle position sensing, gearbox position sensing, and brake pedal position sensing in automotive systems.

  7. Does the TLE4945L require external components for operation?

    • The TLE4945L includes built-in protection diodes and a temperature-compensated voltage regulator, reducing the need for external components.

  8. What is the output format of the TLE4945L?

    • The TLE4945L provides a push-pull output format, allowing for direct connection to microcontrollers and other digital devices.

  9. Is the TLE4945L sensitive to electromagnetic interference (EMI)?

    • The TLE4945L features robust EMI performance, making it suitable for use in electrically noisy environments.

  10. Can the TLE4945L be used in safety-critical applications?

    • Yes, the TLE4945L meets automotive safety standards and can be used in safety-critical applications such as electronic power steering and braking systems.