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.

Date of Patent:
Mar. 18, 2025

Filed:

Nov. 08, 2022
Applicant:

Analog Devices, Inc., Wilmington, MA (US);

Inventors:

Siyuan Chen, Santa Clara, CA (US);

Michael George Negrete, Cupertino, CA (US);

Assignee:

Analog Devices, Inc., Wilmington, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 7/219 (2006.01); H02M 1/00 (2006.01); H02M 7/04 (2006.01);
U.S. Cl.
CPC ...
H02M 1/0058 (2021.05); H02M 1/0043 (2021.05); H02M 7/05 (2021.05); H02M 7/219 (2013.01);
Abstract

A soft-switching Phase-Shift Full-Bridge (PSFB) converter system may include a transformer comprising a primary side and a secondary side. Phase-leading circuitry and phase-lagging circuitry may be located on the primary side of the transformer. The phase leading a phase lagging circuitry may include one or more bridge switches. The system may further include clamping circuitry coupled to the secondary side of the transformer. The clamping circuitry configurable to, when in an active clamping mode, short the secondary side of the transformer. An inductance may be included on the primary side of the transformer to collect and store energy from an input source when the secondary side of the transformer is shorted. The energy stored in the inductance may be used to enable soft-switching of the bridge switches in the phase-lagging circuitry during a dead time or a circulating time of the bridge switches in the phase-leading circuitry.


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