Power supply management circuit

The utility model discloses a power supply management circuit, which comprises a power supply management chip U2, a filter module, an illumination circuit and an electric quantity display module, andis characterized in that a pin 1 of the power supply management chip U2 is connected with the filter...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	FANG YUANQI, LIU HENGMING, NIE YUBEN, YIN FAN, GE NAICHENG, FEI ZHENGMING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	The utility model discloses a power supply management circuit, which comprises a power supply management chip U2, a filter module, an illumination circuit and an electric quantity display module, andis characterized in that a pin 1 of the power supply management chip U2 is connected with the filter module; a pin 2 of the power supply management chip U2 is connected with a storage battery, a pin 3of the power supply management chip U2 is connected with one end of an inductor L1, and the other end of the inductor L1 is connected with the pin 2 of the power supply management chip U2; a pin 4 ofthe power supply management chip U2 is grounded; a pin 5 of the power supply management chip U2 is connected with the lighting circuit; a pin 6 of the power supply management chip U2 is connected with a power supply VCC; and a pin 7 and a pin 8 of the power supply management chip U2 are connected with the electric quantity display module. The touch circuit is simple in structure, charging and voltage conversion of the stor