Semiconductor integrated circuit and motor driving device

The invention provides a motor driving device that can increase the efficiency. The motor driving device is provided with a brushless motor. The motor driving device is provided with a position sensor that can output a synchronous phase of the inductive voltage of the coil of the brushless motor. Th...

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Bibliographische Detailangaben
Hauptverfasser:	KAZUNOBU NAGAI, TOSHIMITSU AIZAWA, SADAO IKEDA, NAOKI OOMURA, JUN SODESAWA, HIROYUKI ISHIDA
Format:	Patent
Sprache:	eng
Schlagworte:	CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERATION TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Beschreibung
Zusammenfassung:	The invention provides a motor driving device that can increase the efficiency. The motor driving device is provided with a brushless motor. The motor driving device is provided with a position sensor that can output a synchronous phase of the inductive voltage of the coil of the brushless motor. The motor driving device is provided with a control circuit. The control circuit provides a driving voltage that imitates the sinusoidal wave to the coil of the brushless motor according to the position detection signal and a command signal of a predetermined rotation speed so as to control the driving of the brushless motor.