The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 24, 2020
Filed:
Aug. 14, 2018
Chicony Power Technology Co., Ltd., New Taipei, TW;
Ping-Sheng Chen, New Taipei, TW;
Tso-Jen Peng, New Taipei, TW;
CHICONY POWER TECHNOLOGY CO., LTD., New Taipei, TW;
Abstract
A constant power protection circuit includes a voltage conversion circuit, a current detection circuit, a voltage detection circuit, a power setting circuit, a voltage feedback circuit, an addition circuit, a current feedback circuit, and a signal isolation unit. When an output voltage of the voltage conversion circuit is larger than a voltage of the voltage detection circuit and an output current of the voltage conversion circuit is larger than a current of the current detection circuit, the power setting circuit provides a comparison signal to the current feedback circuit, the current feedback circuit outputs a feedback signal to the signal isolation unit. According to a signal outputted from the signal isolation unit, the voltage conversion circuit enables a constant power mode.