Magnetic sensor circuit

A magnetic sensor circuit, which has at least a first detection axis capable of detecting a magnetic field in a first direction and a second detection axis capable of detecting a magnetic field in a second direction, and which is configured to subject a first detection signal corresponding to the magnetic field in the first direction and a second detection signal corresponding to the magnetic field in the second direction to time division processing,

• the magnetic sensor circuit comprising:
• a magnetic detector including at least two magnetic sensors including a first magnetic sensor configured to supply the first detection signal and a second magnetic sensor configured to supply the second detection signal;
• a switching circuit, which is to be connected to each of the at least two magnetic sensors of the magnetic detector, and which is configured to supply any one detection signal among detection signals received from the magnetic detector;
• a comparator configured to compare a signal level of the received one detection signal with a set reference level to supply a first result signal and a second result signal, the first result signal representing that the signal level of the one detection signal is equal to or lower than the set reference level, the second result signal representing that the signal level of the one detection signal is higher than the set reference level;
• a control circuit, which is to be connected to the comparator, and which is configured to determine whether the magnetic field is detected based on the first result signal and the second result signal to supply a signal representing a determination result;
• and
• an output terminal to be connected to the control circuit,
• the control circuit being configured to supply a signal corresponding to each of the at least two magnetic sensors of the magnetic detector to the switching circuit, and to determine that the magnetic field is detected in a case where a number of times that the second result signal is successively received reaches a number of set times that is set to two or more times,
• the switching circuit being configured to select a magnetic sensor corresponding to the signal received from the control circuit to supply corresponding one of the detection signals received from the selected magnetic sensor.