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. 17, 2024

Filed:

Dec. 29, 2022
Applicant:

Lx Semicon Co., Ltd., Daejeon, KR;

Inventors:

Xuan Dien Do, Daejeon, KR;

Yoon Soo Shin, Daejeon, KR;

Chang Jin Jeong, Daejeon, KR;

Jin Su Byeon, Daejeon, KR;

Assignee:

LX Semicon Co., Ltd., Daejeon, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01); H02M 1/00 (2006.01); H02M 3/158 (2006.01);
U.S. Cl.
CPC ...
H02M 3/158 (2013.01); G09G 3/3696 (2013.01); H02M 1/0009 (2021.05); H02M 1/0032 (2021.05); G09G 2330/021 (2013.01);
Abstract

According to one embodiment of the present disclosure, there is provided a DC-DC converter including a slope compensation circuit configured to generate a sawtooth-shaped compensation ramp wave to output a slope voltage, a current sensing circuit configured to receive and convert a sensing current to output the converted current, and an adder configured to receive the slope voltage and the sensing current, wherein the adder includes a sensing resistor and a sensing switch, one end of the sensing resistor is connected to the current sensing circuit and the other end of the sensing resistor is connected to the sensing switch and the slope compensation circuit, and one end of the sensing switch is connected to the sensing resistor and the slope compensation circuit and the other end of the sensing switch is connected to the ground.


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