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:
May. 05, 2026

Filed:

Jul. 12, 2022
Applicant:

Samsung Electro-mechanics Co., Ltd., Suwon-si, KR;

Inventors:

Youngwong Jang, Suwon-si, KR;

Jeonghoon Kim, Suwon-si, KR;

Shinichi Iizuka, Suwon-si, KR;

Jongok Ha, Suwon-si, KR;

Hyejin Lee, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K 17/687 (2006.01); H02M 3/07 (2006.01); H03F 3/24 (2006.01);
U.S. Cl.
CPC ...
H03K 17/6871 (2013.01); H02M 3/07 (2013.01); H03F 3/245 (2013.01); H03F 2200/102 (2013.01); H03F 2200/451 (2013.01);
Abstract

A power supply switch circuit includes a first switch configured to supply a first power supply voltage to a power supply terminal of a power amplifier, a control voltage generator configured to compare a first voltage of the power supply terminal with a predetermined first reference voltage to generate a first control voltage higher than the first power supply voltage, and a switch controller configured to use the first control voltage to generate a switching driving signal controlling the first switch.


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