Power supply turn-off control circuit

The utility model provides a power supply turn-off control circuit. The power supply turn-off control circuit comprises a power supply, a chip, a power supply main control module and a switch module.The power supply main control module comprises an MOS tube and a triode. The source electrode of the...

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Bibliographische Detailangaben
1. Verfasser:	CHEN PENGJIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	The utility model provides a power supply turn-off control circuit. The power supply turn-off control circuit comprises a power supply, a chip, a power supply main control module and a switch module.The power supply main control module comprises an MOS tube and a triode. The source electrode of the MOS tube is connected to the positive electrode of the power supply, and the drain electrode of theMOS tube is connected to the power supply input end of the chip; a first resistor is arranged on a circuit where the source electrode and the grid electrode of the MOS tube are connected; the collector of the triode is connected to the grid of the MOS tube, the base of the triode is connected to the power output end of the chip, and the emitter of the triode is grounded; a second capacitor is connected in series to a circuit where the source electrode of the MOS transistor is connected with the base electrode of the triode; and the switch module is connected with the second capacitor in parallel and comprises a key an