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:
Jul. 21, 2026

Filed:

May. 24, 2024
Applicant:

Texas Instruments Incorporated, Dallas, TX (US);

Inventors:

Longqi Li, Maoming City, CN;

Desheng Guo, Shanghai, CN;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/335 (2006.01); H02M 1/00 (2007.01); H02M 1/08 (2006.01); H02M 3/00 (2006.01); H03K 21/02 (2006.01); H03K 21/38 (2006.01);
U.S. Cl.
CPC ...
H02M 1/0003 (2021.05); H02M 1/08 (2013.01); H02M 3/01 (2021.05); H03K 21/026 (2013.01); H03K 21/38 (2013.01);
Abstract

An inductor-inductor-capacitor (LLC) converter may include a control system that holds a duty cycle of control signals at a desired ratio, such as 50%. The control system may include a counter that is configured to count up and down and is further configured to generate event signals that are received at the inputs of a latch. An event signal may cause and output value of the latch to change from high to low or vice versa. There may be further circuits to add delay and/or inversion to generate multiple control signals from the output of the latch. Furthermore, the counter may be configured to switch from counting up to counting down in response to a comparator output.


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Li, Longqi. (2026). Control system for llc voltage converter using up-down counter configured to react to comparator output (U.S. Patent No. 12689281). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12689281

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