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:
Sep. 02, 2025
Filed:
Oct. 16, 2023
Wisetop Technology Co., Ltd., Hsinchu, TW;
Wei-Chen Liang, Hsinchu, TW;
Pin Chang, Hsinchu, TW;
WISETOP TECHNOLOGY CO., LTD., Hsinchu, TW;
Abstract
A back-end energy storage isolation fly-back conversion apparatus () includes a return switch (Q), a driving switch (Q), an energy storage capacitor (Cs), a transformer (T), a resonant inductor (Lr), a first rectifier (), an output capacitor (Cout), and a controller (). The transformer (T) includes a primary-side winding (Lm) and a secondary-side first winding (). The return switch (Q) is turned on by the controller (), so that the energy storage capacitor (Cs) is charged by a primary-side current (I) flowing through the resonant inductor (Lr), the primary-side winding (Lm), and the return switch (Q), and the secondary-side first winding () is powered by the primary-side current (I). When the primary-side current (I) becomes negative, the energy storage capacitor (Cs) discharges through the return switch (Q) and the primary-side winding (Lm) and continuously supplies power to the secondary-side first winding ().