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. 05, 2023
Filed:
Dec. 28, 2021
Opple Lighting Co., Ltd., Shanghai, CN;
Suzhou Opple Lighting Co., Ltd., Suzhou, CN;
Pingwei Zhang, Suzhou, CN;
Weiwei Yang, Suzhou, CN;
Suzhou Opple Lighting Co., Ltd., Suzhou, CN;
Opple Lighting Co., Ltd., Shanghai, CN;
Abstract
Examples of the present disclosure provides a BUCK topological circuit for power supply including a rectification circuit, a first filter energy-storage circuit, a step-down constant-current driver chip, an output current setting circuit, a freewheeling circuit, a transformer, and a second filter energy-storage circuit. An external power supply capacitor is not required in the step-down constant-current driver chip.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile