TLE4942传感器变送器的磁性传感器-开关（固态）规格书PDF中文资料

TLE4942属于传感器变送器的磁性传感器-开关（固态）。由英飞凌科技股份公司制造生产的TLE4942磁性传感器 - 开关（固态）该系列产品使用固态技术来检测是否存在超过某个特定幅度和/或标示的磁场，并提供指示是否存在此类磁场的双态输出。它们与磁簧开关以及线性或罗盘型固态器件不同，前者通过使用移动机械部件来提供类似的功能，后者提供指示所施加磁场的强度和/或方向的可变输出。

Differential Two-Wire Hall Effect Sensor IC

The Hall Effect sensor IC TLE4942 is designed to provide information about rotational speed, direction of rotation, assembly position and limit airgap to modern vehicle dynamics control systems and ABS. The output has been designed as a two wire current interface based on a Pulse Width Modulation principle. The sensor operates without external components and combines a fast power-up time with a low cut-off frequency. Excellent accuracy and sensitivity is specified for harsh automotive requirements as a wide temperature range, high ESD robustness and high EMC resilience. State-of-the-art BiCMOS technology is used for monolithic integration of the active sensor areas and the signal conditioning.

Finally, the optimised piezo compensation and the integrated dynamic offset compensation enable easy manufacturing and elimination of magnet offsets.

The TLE4942C is additionally provided with an overmolded 1.8nF capacitor for improved EMI performance.

特性 Features

• Two-wire PWM current interface

• Detection of rotation direction

• Airgap diagnosis

• Assembly position diagnosis

• Dynamic self-calibration principle

• Single chip solution

• No external components needed

• High sensitivity

• South and north pole pre-induction possible

• High resistance to piezo effects

• Large operating air-gaps

• Wide operating temperature range

• TLE4942C: 1.8nF overmolded capacitor