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Convert has been granted an invention patent:

Article Source：Qichacha | Author：Securities Star | Issuing Time：2024.04.18
Securities Star News: According to data from Qichacha, Convert (688693) has obtained a new invention patent authorization, titled "An Over temperature Detection Circuit and Switching Power Supply for High Side Switches". The patent application number is CN202410122448.4, and the authorization date is April 16, 2024.

Patent Abstract:

The present invention relates to the field of power integrated circuit technology and discloses an over temperature detection circuit and a switching power supply with a high side switch. The over temperature detection circuit includes a transistor Q1 and a current source. The collector of the transistor Q1 is used for electrical connection with the power supply VCC, and the base of the transistor Q1 is respectively connected to the emitter and current source of the transistor Q1; In practical use, the present invention detects temperature by utilizing the characteristic that the saturation current of the collector junction of the transistor increases with the temperature index. When the temperature changes, the saturation current of the collector junction of the transistor also changes. By comparing the saturation current of the collector junction of the transistor with the current of the current source, an over temperature protection signal is generated, so that there is no need to worry about the impact of noise and voltage drop on the accuracy of over temperature protection detection; In addition, as current detection is achieved through current, the present invention can be applied to both intelligent power integrated circuits and high-voltage power integrated circuits, with good compatibility.


Attached drawings of patent abstract


Since the beginning of this year, Convert has obtained 14 new patent authorizations, an increase of 366.67% compared to the same period last year. Based on the financial data of the company's 2023 annual report, the company invested 36.0211 million yuan in research and development, a year-on-year increase of 58.55%.
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