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:
Apr. 06, 2021

Filed:

Feb. 10, 2020
Applicant:

Quanta Computer Inc., Taoyuan, TW;

Inventors:

Hsin-Chih Kuo, Taoyuan, TW;

Chuan-Sheng Liao, Taoyuan, TW;

Yu-Chuan Shih, Taoyuan, TW;

Ming-Chieh Lee, Taoyuan, TW;

Assignee:

QUANTA COMPUTER INC., Taoyuan, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 17/687 (2006.01); H02J 4/00 (2006.01);
U.S. Cl.
CPC ...
H03K 17/6871 (2013.01); H02J 4/00 (2013.01);
Abstract

An operating circuit including a system circuit and a power control circuit is provided. The system circuit operates according to the voltage of the node. The power control circuit includes a first connection port, a second connection port, a first always-on switch, a second always-on switch, a first current limiter, and a second current limiter. The first connection port is configured to receive first power provided by a first external device. The second connection port is configured to receive second power provided by a second external device. The first always-on switch is coupled to the first connection port to transmit the first power. The second always-on switch is coupled to the second connection port to transmit the second power. The first current limiter is coupled between the first always-on switch and the node. The second current limiter is coupled between the second always-on switch and the node.


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