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:
Jan. 02, 2024
Filed:
Jul. 07, 2021
Inventronics (Hangzhou), Inc., Zhejiang, CN;
Ping Fu, Zhejiang, CN;
Delai Jiang, Zhejiang, CN;
INVENTRONICS (HANGZHOU), INC., Zhejiang, CN;
Abstract
An LED control circuit, comprising: an isolated DC-DC circuit having a first current loop and a voltage loop, said circuit being used for outputting a stable direct current voltage; and a buck circuit having a control unit; wherein the control unit is used for controlling the buck circuit to output constant current, so as to supply power to an LED load, and also used for controlling the buck circuit to not operate when the direct current voltage is less than a preset voltage, and controlling the buck circuit to operate when the direct current voltage is greater than or equal to the preset voltage.