TLE4945LHALA1

Introduction

The TLE4945LHALA1 is a versatile Hall sensor designed for various applications in the automotive industry and beyond. This entry provides an overview of the product, including its category, use, characteristics, package, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

Product Overview

• Category: Sensor
• Use: The TLE4945LHALA1 is used for precise magnetic field sensing in automotive applications such as position detection, speed measurement, and current sensing.
• Characteristics: This sensor offers high precision, reliability, and robustness, making it suitable for demanding automotive environments. It is designed to operate in a wide temperature range and withstand mechanical stress.
• Package: The TLE4945LHALA1 is available in a small, surface-mount package, ensuring easy integration into electronic systems.
• Essence: The essence of this sensor lies in its ability to accurately detect and measure magnetic fields, providing crucial input for various automotive control systems.
• Packaging/Quantity: The sensor is typically supplied in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Operating Voltage: 3.0V to 18V
• Output Type: Digital
• Operating Temperature Range: -40°C to 150°C
• Magnetic Sensitivity: 2.7mT (millitesla)
• Supply Current: 6.5mA
• Output Current: 20mA
• Response Time: 1.3µs

Detailed Pin Configuration

The TLE4945LHALA1 features a standard 3-pin configuration: 1. VCC: Power supply input 2. GND: Ground connection 3. OUT: Digital output signal

Functional Features

• High Sensitivity: The sensor offers high sensitivity to magnetic fields, enabling precise measurements.
• Digital Output: Its digital output simplifies interfacing with microcontrollers and other digital systems.
• Wide Operating Range: The sensor operates over a wide voltage and temperature range, enhancing its versatility.

Advantages and Disadvantages

Advantages

• High precision and reliability
• Wide operating temperature range
• Digital output for easy integration
• Robust design for automotive applications

Disadvantages

• Relatively higher supply current compared to some alternatives
• Limited to applications requiring digital output

Working Principles

The TLE4945LHALA1 utilizes the Hall effect to detect changes in magnetic fields. When exposed to a magnetic field, the sensor generates a proportional digital output, allowing for accurate measurement of the applied magnetic field strength.

Detailed Application Field Plans

The TLE4945LHALA1 is well-suited for various automotive applications, including: - Position sensing in throttle pedals and gear shifters - Speed measurement in wheel speed sensors - Current sensing in brushless DC motor control

Detailed and Complete Alternative Models

• Alternative Model 1: TLE4945-2K

  • Similar specifications and package
  • Lower supply current
  • Analog output

• Alternative Model 2: TLE4945-1E

  • Enhanced ESD protection
  • Extended temperature range
  • Different package options

In conclusion, the TLE4945LHALA1 is a reliable and precise Hall sensor designed for demanding automotive applications, offering high sensitivity and digital output for seamless integration into electronic systems.

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