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:
Jun. 23, 2020

Filed:

Oct. 04, 2019
Applicant:

Excelliance Mos Corporation, Hsinchu County, TW;

Inventors:

Ching-Tsan Lee, Hsinchu County, TW;

Ke-Wei Wu, Hsinchu County, TW;

Pei-Ting Yang, Hsinchu County, TW;

Assignee:

Excelliance MOS Corporation, Hsinchu County, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/07 (2006.01); H03K 17/16 (2006.01);
U.S. Cl.
CPC ...
H03K 17/163 (2013.01); H02M 3/07 (2013.01);
Abstract

A power switch circuit including first and second transistors, and a control circuit is provided. A first end of the first transistor serves as an input terminal of the power switch circuit. A second end of the first transistor is coupled to a node. A control end of the first transistor receives a first control voltage. A first end of the second transistor serves as an output terminal of the power switch circuit. A second end of the second transistor is coupled to the node. A control end of the second transistor receives a second control voltage. The control circuit detects a voltage of the node to determine a type of series connection between the first and second transistors, and generates the first and second control voltages to control a turned-on state of another of the first and second transistors after turning on one of the first and second transistors.


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