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CVTE Dream Future has been granted a utility model patent: "A power output control circuit, switching power supply, and electronic system"

Article Source：Qichacha | Author：Securities Star | Issuing Time：2024.05.12
Securities Star News: According to data from Qichacha, CVTE Dream Future Co., Ltd. (002841) has recently obtained a utility model patent authorization, titled "A Power Output Control Circuit, Switching Power Supply and Electronic System", with patent application number CN202322353222.9 and authorization date of May 10, 2024.

Patent Abstract:

The present embodiment discloses a power output control circuit and electronic system, comprising an anode of a first diode connected to a first end of a first resistor module and a in-phase input end of an operational amplifier, with a cathode used for receiving a level control signal; The second end of the first resistance module is connected to the inverting input end of the operational amplifier, the fourth end of the first resistance module is connected to the positive pole of the transmitting end of the first optocoupler, and the fifth end of the first resistance module is used to connect to the first voltage; The output end of the operational amplifier is connected to the negative electrode of the transmitting end of the first optocoupler, the collector of the receiving end of the first optocoupler is connected to the first end of the second resistance module and the base of the first transistor, and the emitter is grounded to the second end of the second resistance module and the emitter of the first transistor; The third end of the second resistor module is used to connect to the second voltage, and the collector of the first transistor is used to connect to the protection pin of the power management chip; Can solve the problem of low reliability and improve the reliability of power output control circuits.


Attached drawings of patent abstract

Since the beginning of this year, CVTE Dream Future has obtained 309 new patent authorizations, an increase of 1.64% compared to the same period last year. Based on the financial data of the company's 2023 annual report, the company invested 1.422 billion yuan in research and development, a year-on-year increase of 11.06%.
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