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:
Oct. 08, 2024

Filed:

Feb. 27, 2023
Applicant:

Realtek Semiconductor Corporation, Hsinchu, TW;

Inventor:

Chien Sheng Chen, Hsinchu, TW;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/156 (2006.01); H02M 3/155 (2006.01);
U.S. Cl.
CPC ...
H02M 3/155 (2013.01);
Abstract

A power source equipment is configured to provide a power to a powered device in a power over Ethernet. The power source equipment includes a first port, a second port, and a control circuit. The first port is configured to perform a power classification on the powered device, and provide a first voltage to the powered device in a first stage. The second port is configured to provide a second voltage to the powered device in a second stage. The control circuit is configured to disable the second port in the first stage, and configured to control the second port to output the second voltage and increase the first voltage in the second stage.


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