[Problem] An object of the present invention is to provide a motor control unit that driving-controls a motor having the dual-system windings, even in a case that one driving control system is an abnormality (including a failure), turns-ON of one common reverse-connection protection-FET by a driving signal of the other normal driving control system, and achieves a miniaturization and a reduction in costs, an electric power steering apparatus that is equipped with the motor control unit, and a vehicle. [Means for solving the problem] The present invention is the motor control unit, comprising: an MCU to control the motor having dual-system motor windings, dual-system inverters to drive the respective dual-system motor windings via dual-system driving sections, and one reverse-connection protection-FET that is connected between the dual-system inverters and a power supply, wherein the reverse-connection protection-FET is turned-ON or turned-OFF by a logical sum of gate driving signals from the dual-system gate driving sections.
MOTOR CONTROL DEVICE, ELECTRIC POWER STEERING DEVICE EQUIPPED WITH SAME AND VEHICLE
MOTORSTEUERUNGSVORRICHTUNG, ELEKTRISCHE SERVOLENKVORRICHTUNG DAMIT UND FAHRZEUG
DISPOSITIF DE COMMANDE DE MOTEUR, DISPOSITIF DE SERVODIRECTION ÉLECTRIQUE ÉQUIPÉ DE CELUI-CI ET VÉHICULE
2020-01-08
Patent
Electronic Resource
English
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