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:
May. 25, 2021

Filed:

Sep. 16, 2019
Applicant:

Fairchild Semiconductor Corporation, Phoenix, AZ (US);

Inventor:

Lei Huang, Sunnyvale, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 17/06 (2006.01); H02M 3/07 (2006.01); G11C 5/14 (2006.01); G05F 3/26 (2006.01); H03K 17/687 (2006.01); H02M 1/088 (2006.01);
U.S. Cl.
CPC ...
H02M 3/07 (2013.01); G05F 3/262 (2013.01); G11C 5/145 (2013.01); H03K 17/063 (2013.01); H03K 17/687 (2013.01); H02M 1/088 (2013.01);
Abstract

A charge pump circuit generates a charge pump voltage that powers a bias circuit. The bias circuit generates a reference current and generates switch currents from the reference current. Gate-source voltages are generated from the switch currents and applied to switching components of switch circuits to connect two nodes. The gate-source voltages can be generated in the bias circuit and provided to the switch circuits. The gate-source voltages can also be generated in the switch circuits.


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Huang, Lei. (2021). Charge pump circuit for providing voltages to multiple switch circuits (U.S. Patent No. 11018577). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11018577

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