Overview
The TLE4961-1M is a latching Hall-effect sensor manufactured by Infineon Technologies, designed for high-precision magnetic field detection. It is widely used in automotive and industrial applications due to its reliability and performance under varying conditions. The sensor operates by detecting changes in magnetic fields and providing a digital output signal, making it suitable for position and speed sensing. Hall-effect sensors like the TLE4961-1M are critical in modern automation and control systems. Their ability to function without physical contact reduces wear and tear, enhancing longevity. The TLE4961-1M stands out for its latching behavior, which ensures stable output states even after the magnetic field is removed.
Structure and Working Principle
The TLE4961-1M consists of a Hall plate, signal conditioning circuitry, and an output driver. When exposed to a magnetic field, the Hall plate generates a voltage proportional to the field strength. This voltage is processed by the internal circuitry to produce a clean digital output signal. The latching feature means the sensor retains its output state until an opposite magnetic field is applied. This makes it ideal for applications requiring stable and repeatable switching, such as in brushless DC motors. The device is housed in a compact package, ensuring easy integration into various systems.
Key Features
The TLE4961-1M offers several key features, including a wide operating voltage range of 3.5V to 24V, making it versatile for different power supplies. It has high sensitivity, allowing it to detect small changes in magnetic fields, and operates reliably across a broad temperature range (-40°C to 150°C). Additionally, the sensor is resistant to mechanical stress and environmental factors, such as humidity and vibration. Its latching behavior ensures consistent performance in dynamic applications, reducing the need for frequent recalibration or adjustment.
Application Areas
The TLE4961-1M is commonly used in automotive systems for gearbox position sensing, throttle control, and pedal position detection. In industrial settings, it is employed in conveyor systems, rotary encoders, and robotics for precise motion control. Another significant application is in brushless DC motors, where the sensor helps in commutation by detecting rotor position. Its robustness and accuracy also make it suitable for consumer electronics, such as white goods and power tools, where reliability is paramount.
Maintenance and Precautions
To ensure optimal performance, the TLE4961-1M should be protected from excessive magnetic fields, which can cause unintended switching. Proper voltage supply within the specified range is crucial to avoid damage or erratic behavior. Regular inspection for physical damage or contamination is recommended, especially in harsh environments. When integrating the sensor into a system, ensure proper alignment with the magnetic source to maintain accuracy and reliability.
B2B Procurement Guide
When procuring the TLE4961-1M in bulk, verify the supplier's authenticity to avoid counterfeit products. Reputable distributors or direct purchases from manufacturers like Infineon are advisable. Bulk pricing typically offers significant savings, with prices ranging from approximately $0.50 to $2.00 per unit depending on quantity. Consider lead times and minimum order quantities (MOQs) when planning procurement. It's also beneficial to request samples for testing before large-scale purchases to ensure compatibility with your application.
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