Charging circuit and charger provided with same

The utility model discloses a charging circuit, which comprises a switching power supply circuit, a voltage acquisition circuit, a current release circuit and an overvoltage protection circuit. The switching power supply circuit is used for charging a charged battery; the voltage acquisition circuit...

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Bibliographic Details
Main Author PANG XIAOHU
Format Patent
LanguageChinese
English
Published 12.02.2014
Subjects
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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Summary:The utility model discloses a charging circuit, which comprises a switching power supply circuit, a voltage acquisition circuit, a current release circuit and an overvoltage protection circuit. The switching power supply circuit is used for charging a charged battery; the voltage acquisition circuit is arranged between the switching power supply circuit and the current release circuit, and is used for acquiring an output voltage of the switching power supply circuit in real time and sending a voltage value corresponding to the output voltage; the current release circuit is arranged between the switching power supply circuit and the overvoltage protection circuit, and is used for receiving the voltage value, and releasing an output current between the switching power supply circuit and the overvoltage protection circuit when the voltage value reaches a preset voltage value; and the overvoltage protection circuit is used for receiving the output current released by the current release circuit, and switching off
Bibliography:Application Number: CN20132541692U