Battery charging circuit, DC-DC converter and battery charging method

The invention discloses a battery charging circuit, a DC-DC converter and a battery charging method. The battery charging circuit comprises a controlled current source, a first switch module, a second switch module and a control module, the first end of the first switch module is electrically connec...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SONG CHEN, YAN ANSHUN
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 BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	The invention discloses a battery charging circuit, a DC-DC converter and a battery charging method. The battery charging circuit comprises a controlled current source, a first switch module, a second switch module and a control module, the first end of the first switch module is electrically connected with the output end of the controlled current source, and the second end of the first switch module is electrically connected with the positive electrode end of the battery; the first end of the second switch module is electrically connected with the negative electrode end of the battery and the input end of the controlled current source, and the second end of the second switch module is electrically connected with the output end of the controlled current source; the control module is used for collecting a first voltage between the second end of the first switch module and the first end of the second switch module, and controlling the connection and disconnection of the first switch module and the second switch