Capacitive chopping power supply circuit

The utility model discloses a capacitive chopping power supply circuit, comprising a square wave generation module configured to generate driving square waves; two ends of the energy storage capacitor are configured as output ends of the power supply circuit; the driving module is respectively conne...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG TINGGE, ZHU YANHONG, DENG HUAJIE, ZHENG WENWU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	The utility model discloses a capacitive chopping power supply circuit, comprising a square wave generation module configured to generate driving square waves; two ends of the energy storage capacitor are configured as output ends of the power supply circuit; the driving module is respectively connected with the square wave generation module, the energy storage capacitor and an external power supply, and is configured to be controlled by the driving square wave so as to connect or disconnect the external power supply and the energy storage capacitor; and the voltage reference module is respectively connected with the energy storage capacitor and the driving module, and is configured to detect the voltage at the two ends of the energy storage capacitor, and control the driving module to disconnect the external power supply from the energy storage capacitor when the voltage at the two ends of the energy storage capacitor is greater than a preset voltage threshold. According to the utility model, smooth starting