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Infineon Launches Sensor That Measures Speed Fastly and Accurately

Google 우선 소스Published2017.07.07 10:51
Developed for automotive and industrial applications

Infineon Technologies has released the Hall sensor TLE4922 and the “Speed Sensor 2Go” kit to enable fast and accurate speed measurement.

The TLE4922 was developed for automotive and industrial applications where fast and accurate speed measurement is critical. It is suitable for speed detection of crankshafts and transmissions in two-wheeled and three-wheeled vehicles, speed detection in industrial sites and building automation, and electric drive control.

The TLE4922 Hall sensor can accurately measure changes in magnetic fields, making it suitable for speed detection in various types of wheels, including magnetic encoder wheels and ferromagnetic gear wheels. Additionally, the TLE4922 offers high air gap performance and shift accuracy while allowing for a simple and economical back-biased magnet method, which has the advantage of lowering system costs.

The TLE4922 also has excellent resistance to vibration and air gap jumps, and is capable of precise speed detection over an extremely wide magnetic field range of up to +/- 400 mT. Because it operates over such a wide range, it simplifies electrical circuit design and offers excellent robustness and flexibility. Therefore, it enables easier application of sensors and lowers system costs.

The TLE4922 is particularly suitable for TIM (twist independent mounting) configurations and can replace passive VR (variable reluctance) sensors in motors, motorcycles, and automobile wheels.
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