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Motor drive control circuit, semiconductor device, electronic timepiece, and electronic timepiece with a power generating device
Motor drive control circuit, semiconductor device, electronic timepiece, and electronic timepiece with a power generating device
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机译:电动机驱动控制电路,半导体装置,电子钟表以及具有发电装置的电子钟表
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摘要
A motor drive control circuit that operates using a primary power supply and controls driving a motor has a drive circuit that drives the motor, a power supply circuit that is disposed between the primary power supply and the drive circuit, and uses electrical energy supplied from the primary power supply to supply a drive voltage to the drive circuit, and a power supply control circuit that controls operation of the power supply circuit. The power supply control circuit monitors the drive voltage, stops the power supply circuit and stops supplying the drive voltage when the drive voltage is greater than or equal to a prescribed constant voltage, and activates the power supply circuit and supplies the drive voltage when the drive voltage is less than the prescribed constant voltage.
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