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:
Jun. 03, 2025
Filed:
Dec. 18, 2024
Applicant:
Rompower Technology Holdings, Llc, Milford, DE (US);
Inventors:
Ionel Jitaru, Tucson, AZ (US);
Mihai Bogdan Jitariu, Neamt, RO;
Assignee:
Rompower Technology Holdings, LLC, Milford, DE (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/335 (2006.01); H01F 27/24 (2006.01); H01F 27/28 (2006.01); H01F 27/34 (2006.01); H02M 1/44 (2007.01);
U.S. Cl.
CPC ...
H01F 27/28 (2013.01); H01F 27/24 (2013.01); H01F 27/346 (2013.01); H02M 1/44 (2013.01); H02M 3/335 (2013.01);
Abstract
A planar multilayer transformer in a power converter wherein winding arrangements and placement of shields reduces common mode noise to a level wherein the common mode inductor in an input EMI filter can be reduced and even eliminated decreasing the power dissipation and increasing the power density. The methods presented herein can reduce the number of layers in the multilayer PCB by eliminating the layers used for the shields and still be in full compliance with EMI requirements.