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Aohai Technology has applied for a charging switch circuit patent, ensuring charging efficiency when dual ports output simultaneously

Article Source：China National Intellectual Property Administration | Author：Financial Sector | Issuing Time：2024.05.15
On April 16, 2024, the financial sector reported that according to the announcement of the China National Intellectual Property Administration, Dongguan Aohai Technology Co., Ltd. applied for a project entitled "Charging switch circuit, switching power supply circuit, charger and charging control method", with the public number of CN117895618A and the application date of January 2024.

The patent abstract shows that the present invention discloses a charging switch circuit, a switching power supply circuit, a charger, and a charging control method. The charging switch circuit comprises a protocol chip, a BUCK circuit, a first switch circuit, and a second switch circuit; The first input terminal of the first switch circuit is connected to the input interface, the second input terminal of the first switch circuit is connected to the input interface through the BUCK circuit, and the output terminal of the first switch circuit is connected to the first output interface; The first input terminal of the second switch circuit is connected to the input interface, the second input terminal of the second switch circuit is connected to the input interface through the BUCK circuit, and the output terminal of the second switch circuit is connected to the second output interface. The switch power supply circuit uses a single BUCK circuit to simultaneously connect the first and second switch circuits, providing corresponding charging voltage according to the required voltage of the terminal device, ensuring charging efficiency when dual ports output simultaneously.


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