Power supply control circuit

The utility model provides a power supply control circuit, which comprises a voltage input end connected with an external power supply; the voltage output end is connected with the internal circuit; the key switch is electrically connected with the voltage input end; the input end of the power-on mo...

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Bibliographische Detailangaben
Hauptverfasser:	LYU HAN, ZUO DAN JIANFEI, ZHANG YIZHUO, LI YONG, WANG HONGGANG, LI JIWEI, SHEN SHUAIKAI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	The utility model provides a power supply control circuit, which comprises a voltage input end connected with an external power supply; the voltage output end is connected with the internal circuit; the key switch is electrically connected with the voltage input end; the input end of the power-on module is electrically connected with the key switch, and the output end of the power-on module is electrically connected with the voltage output end; the power supply control module is electrically connected with the input end of the power-on module, and the power supply control module comprises a power supply control interface; the input end of the switch detection module is electrically connected with the key switch, and the switch detection module comprises a switch detection interface used for detecting the state of the key switch. After the power supply control circuit is shut down, the external power supply cannot supply power to the internal circuit, so that the electric quantity of the external power supply