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. 16, 2018

Filed:

Jun. 27, 2017
Applicant:

Win Semiconductors Corp., Tao Yuan, TW;

Inventors:

Re Ching Lin, Tao Yuan, TW;

Fan Hsiu Huang, Tao Yuan, TW;

Tung-Yao Chou, Tao Yuan, TW;

Cheng Kuo Lin, Tao Yuan, TW;

Shu Hsiao Tsai, Tao Yuan, TW;

Chih-Feng Chiang, Tao Yuan, TW;

Assignee:

WIN Semiconductors Corp., Tao Yuan, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/156 (2006.01); G01K 11/26 (2006.01); G01K 7/34 (2006.01); G01K 7/01 (2006.01);
U.S. Cl.
CPC ...
H02M 3/156 (2013.01); G01K 7/01 (2013.01); G01K 7/34 (2013.01); G01K 11/26 (2013.01); G01K 11/265 (2013.01);
Abstract

A thermal sensor circuit comprises a conversion circuit which is one of a buck DC-DC converter circuit and a boost DC-DC converter circuit, wherein the conversion circuit comprises an inductor and an output terminal. A thermal sensor senses a thermal variation correlated to a capacitance variation of the thermal sensor. The capacitance variation induces an internal parasitic capacitance variation of the inductor which is connected in parallel to the thermal sensor and results a variation of an energy stored in the inductor. Hence a variation of a converted circuit signal outputting by the output terminal is caused, wherein the variation of the converted circuit signal is correlated to the thermal variation.


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