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:
Sep. 02, 2025

Filed:

Aug. 02, 2023
Applicant:

Shaoxing Yuanfang Semiconductor Co., Ltd., Shaoxing, CN;

Inventors:

Arnold J D'souza, Bangalore, IN;

Shyam Somayajula, Bangalore, IN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02M 1/00 (2007.01); H02M 3/158 (2006.01);
U.S. Cl.
CPC ...
H02M 1/0009 (2021.05); H02M 3/1584 (2013.01); H02M 3/1588 (2013.01);
Abstract

In a switching converter employing a high-side switch and a low-side switch that are alternately ON in a first phase and a second phase of a switching cycle respectively, inductor-current flowing through the high-side switch is sensed with a first scaling factor to obtain a scaled high-side current. Inductor-current flowing through the low-side switch is sensed with a second scaling factor in the second phase to obtain a scaled low-side current. Both of the scaled high-side current and the scaled low-side current are examined for any discontinuity during transition from the high-side phase to the low-side phase. In case of discontinuity, one or both of the first factor and the second factor is/are adjusted to reduce the magnitude of the discontinuity between the scaled high-side current and the scaled low-side current during transition from the first phase to the second phase. An accurate scaled copy of the inductor-current is obtained.


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