基于CAN总线的转向角传感器采集电路设计

Design of acquisition circuit for the steering angle sensor based on CAN bus

介绍了CAN总线技术的特点与原理以及巨磁电阻原理,分析了运用巨磁原理测量转角信号的方法 ,设计了基于TLE 5012芯片的转向角传感器检测电路,结合CAN原理运用Protel软件设计了采集电路,该电路能及时准确地将转角信号通过CAN网关与汽车ESP、EPS系统进行共享。

This paper introduces the principle and characteristics of CAN bus technology as well as the giant magnetoresistance principle. It analyzes the method with the giant magnetic principle to measure the angle signal detection circuit. It designs the steering angle sensor based on TLE5012 chip. Combined with Protel software, it designs the acquisition circuit by using the principle of CAN, which can timely and accurately share angle signals through CAN bus and automobile ESP, EPS.