Battery secondary protection circuit and operation method thereof

The invention provides a battery secondary protection circuit and an operation method thereof. The battery secondary protection circuit comprises a first pin, a second pin, a first sensing circuit, a first current source, a first enabling circuit and a first protection circuit, wherein the first pin...

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Bibliographische Detailangaben
Hauptverfasser:	WU ZHILIANG, LIANG SHIKUN, QIU JUNGUI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER 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 provides a battery secondary protection circuit and an operation method thereof. The battery secondary protection circuit comprises a first pin, a second pin, a first sensing circuit, a first current source, a first enabling circuit and a first protection circuit, wherein the first pin and the second pin are respectively coupled to two ends of a first battery, the first sensing circuit is coupled between the first pin and the second pin and provides a first sensing signal and a second sensing signal, the first current source is coupled between the first pin and the second pin and provides a first current, the first enabling circuit is coupled to the first sensing circuit and the first current source, and generates a first enabling signal according to the first sensing signal, the first protection circuit is coupled to the first sensing circuit, and when the first enabling signal enables the first current source, the first protection circuit generates a first protection signal according to the se