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. 19, 2015
Filed:
Dec. 27, 2013
Applicant:
Efficient Power Conversion Corporation, El Segundo, CA (US);
Inventors:
David Reusch, Blacksburg, VA (US);
Johan Tjeerd Strydom, Santa Clara, CA (US);
Assignee:
Efficient Power Conversion Corporation, El Segundo, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/528 (2006.01); H01L 23/538 (2006.01); H01L 27/13 (2006.01); H01L 27/06 (2006.01); H02M 7/00 (2006.01); H01L 23/498 (2006.01);
U.S. Cl.
CPC ...
H01L 27/0629 (2013.01); H02M 7/003 (2013.01); H01L 2924/0002 (2013.01); H01L 2924/15192 (2013.01); H01L 23/49822 (2013.01);
Abstract
A highly efficient, single sided circuit board layout design providing magnetic field self-cancellation and reduced parasitic inductance independent of board thickness. The low profile power loop extends through active and passive devices on the top layer of the circuit board, with vias connecting the power loop to a return path in an inner layer of the board. The magnetic effect of the portion of the power loop on the top layer is reduced by locating the inner layer return path directly underneath the power loop path on the top layer.