Magnetic sensor, magnetic sensor integrated circuit, motor assembly and application device

• Main Authors: WANG JUNHUI, CAI GUANGJIE
• Format: Patent
• Language: Chinese; English
• Published: 10.11.2017
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DYNAMO-ELECTRIC MACHINES; ELECTRICITY; GENERATION; MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; TESTING

The invention discloses a magnetic sensor, magnetic sensor integrated circuit, a motor assembly and an application device. The magnetic sensor comprises an input port and an output port which are connected to an external power supply and a magnetic field detection circuit; the magnetic field detection circuit comprises the magnetic sensor used for sensing an external magnetic field and outputting a detection signal and a signal processing unit used for performing amplified interference removing processing on the detection signal, wherein the signal processing unit comprises a switch capacitor filtering module which is used for performing sampling filtering and offset removing on a differential signal which is obtained through amplifying a detection signal outputted by the magnetic sensor. The magnetic sensor, the magnetic sensor integrated circuit, the motor assembly and the application device can perform extension on functions of the current magnetic sensor, can reduce integral circuit cost and improves reli