Antriebsregelvorrichtung für Klimagerät

摘要

The drive control apparatus (45) for controlling a motor (2) to drive the compressor (3) of an air conditioner, according to this invention, includes a rectifying circuit (6, 14) for converting an AC voltage into a DC voltage, an inverter (5) including a combination of a plurality of power controlling semiconductor devices (25 to 30) and which controls the DC voltage from the rectifying circuit (6, 14) in accordance with a drive signal supplied to the combination of the semiconductor devices so as to generate an AC drive current to the motor, and a control circuit for generating the drive signal to the inverter, the control circuit and the rectifying circuit being all or partially formed as a monolithic integrated circuit having a dielectric separation structure, the monolithic integrated circuit and the inverter being mounted on a common substrate of a module.