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HONOTO has obtained utility model patent authorization:

Article Source：Qichacha | Author：Securities Star | Issuing Time：2024.04.29
Securities Star News: According to data from Qichacha, HONOTO (300870) has recently obtained a utility model patent authorization, titled "Peak Voltage Control Circuit and Synchronous Rectifier Switching Power Supply". The patent application number is CN202322667926.3, and the authorization date is April 26, 2024.

Patent Abstract

This application provides a peak voltage control circuit and a synchronous rectifier switching power supply. The peak voltage control circuit is used to control the peak voltage on the first switching transistor in the synchronous rectifier switching power supply; The peak voltage control circuit includes: charging and discharging capacitor, first on/off control unit, second on/off control unit, and energy consumption unit; Charging and discharging capacitors are used to absorb and store energy from the peak voltage generated when the first switching tube is disconnected; The first on/off control unit is used to achieve unidirectional conduction from the first end to the second end of the first on/off control unit when the first switching tube is disconnected, and the second on/off control unit is used to achieve unidirectional conduction from the first end to the second end of the second on/off control unit when the first switching tube is disconnected, in order to transfer the energy stored in the charging and discharging capacitor to the energy storage electrolytic capacitor for storage when the first switching tube is disconnected. Transfer energy to energy storage electrolytic capacitors for storage, reduce losses, and improve power conversion efficiency.


Attached drawings of patent abstract

Since the beginning of this year, HONOTO has obtained 11 new patent authorizations, an increase of 1000% compared to the same period last year. Based on the financial data of the company's 2023 annual report, the company invested 230 million yuan in research and development, a year-on-year increase of 16.32%.
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