Boost circuit for battery switch control circuit

The invention relates to the technical field of a circuit, in particular to a boost circuit for a battery switch control circuit. The boost circuit for the battery switch control circuit, disclosed by the invention, comprises a first reference voltage circuit, a second reference voltage circuit and...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KE WENPING, FAN ZUODENG, CAI YUNWEN, YE ZHICONG
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 invention relates to the technical field of a circuit, in particular to a boost circuit for a battery switch control circuit. The boost circuit for the battery switch control circuit, disclosed by the invention, comprises a first reference voltage circuit, a second reference voltage circuit and a first voltage coupling circuit, wherein the first reference voltage circuit is used for connecting a battery voltage to a start voltage node of the switch control circuit, the second reference voltage circuit is used for connecting a voltage of an output end of the switch control circuit after being conducted to the start voltage node of the switch control circuit, and the first voltage coupling circuit is used for coupling a voltage of a switch signal of a main DC-DC circuit in a power supply load circuit to the start voltage node of the switch control circuit. By the boost circuit, the start voltage of the switch control circuit can be enabled to be higher than the battery voltage, the circuit is simple in stru