Sensor circuit and sensor

The utility model discloses a sensor circuit and a sensor. Fault self-detection of the sensor is realized. The sensor circuit comprises a sensor circuit body and a fault self-detection circuit. The fault self-detection circuit comprises a detection circuit; the input end of the detection circuit is electrically connected with a preset electrical node in the sensor circuit body, and the output end of the detection circuit is electrically connected with the control unit; the detection circuit is used for measuring electrical parameters of the preset electrical node and transmitting the electrical parameters to the control unit. 本申请公开了一种传感器电路和传感器，实现了传感器的故障自检测。该传感器电路包括：传感器电路本体和故障自检测电路；所述故障自检测电路包括检测电路；所述检测电路的输入端与所述传感器电路本体内的预设电气节点电连接，输出端与控制单元电连接；所述检测电路用于测量所述预设电气节点的电气参数，并传输给所述控制单元。