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:
May. 03, 2022
Filed:
May. 12, 2020
Delta Electronics (Shanghai) Co., Ltd., Shanghai, CN;
Guoqiao Shen, Shanghai, CN;
Jian Li, Shanghai, CN;
Guojin Xu, Shanghai, CN;
Jinfa Zhang, Shanghai, CN;
DELTA ELECTRONICS (SHANGHAI) CO., LTD., Shanghai, CN;
Abstract
A control method for a DC/DC converter and a DC/DC converter are provided. The method includes: detecting an input voltage and an output voltage, and calculating a voltage gain according to a ratio of the output voltage to the input voltage; determining an operating mode of the DC/DC converter according to a first threshold and the voltage gain, and setting a first duty ratio and a second duty ratio according to the mode; detecting an inductor current to generate a current feedback signal, and then setting a regulation component according to the current feedback signal; regulating the first or second duty ratio according to the regulation component and generating driving signals to control the two groups of switches. The converter could operate in the Buck mode, Boost mode and Buck-Boost mode, and the voltage gain could be linearly continuous around 1.