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:
Feb. 20, 2024

Filed:

Jun. 09, 2022
Applicant:

Dell Products L.p., Round Rock, TX (US);

Inventors:

Shiguo Luo, Austin, TX (US);

Wickman Wu, Taipei, TW;

Guangyong Zhu, Austin, TX (US);

Assignee:

Dell Products L.P., Round Rock, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/335 (2006.01); H02M 1/00 (2006.01); G05F 1/32 (2006.01);
U.S. Cl.
CPC ...
H02M 3/33576 (2013.01); G05F 1/32 (2013.01); H02M 1/0009 (2021.05); H02M 3/335 (2013.01); H02M 3/33507 (2013.01);
Abstract

A trans-inductor voltage regulator (TLVR) includes at least two voltage converter phases configured to receive a common input voltage and to provide an output voltage on an output of the voltage converter, an associated coupled inductor, and a compensation inductor. Each coupled inductor includes a primary winding magnetically coupled to a secondary winding. For each primary winding, a first terminal is coupled to the output of the associated voltage converter, and a second terminal of the primary winding is coupled to a load. A first terminal of the compensation inductor is coupled to a ground plane, and each secondary winding is coupled in series with the compensation inductor, with a last secondary being coupled to the ground plane. The compensation inductor is a nonlinear inductor exhibiting a first inductance level at a first current level, and a second inductance level different from the first inductance level at a second current level different from the first current level.


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