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:
Mar. 20, 2018
Filed:
Sep. 09, 2014
Zte Corporation, Shenzhen, Guangdong Province, CN;
Linguo Wang, Shenzhen, CN;
ZTE Corporation, Shenzhen, Guangdong Province, CN;
Abstract
A switching power supply and a method for controlling the switching power supply, the switching power supply includes: an input power supply, a front-stage circuit which includes a first inductor and at least two switch devices, and a post-stage isolated circuit which includes a primary-side switch circuit, a transformer and a secondary-side rectification circuit. One end of the first switch device is connected to a positive electrode of the input power supply, one end of the second switch device and an input-end of the first inductor are jointly connected to another end of the first switch device, another end of the second switch device is connected to a negative electrode of the input power supply, an output-end of the first inductor is connected to the primary-side switch circuit of post-stage isolated circuit, and another end of the primary-side switch circuit is connected to another end of the second switch device.