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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.

Patent No.:

US 10103623 B1

PDFFull Text
Date of Patent:
Oct. 16, 2018

Filed:

Mar. 31, 2017

Semiconductor integrated circuit

Applicant:

Fuji Electric Co., Ltd., Kawasaki-shi, Kanagawa, JP;

Inventor:

Takanori Kohama, Matsumoto, JP;

Assignee:

FUJI ELECTRIC CO., LTD., Kawasaki-Shi, Kanagawa, JP;

Attorney:

Rabin & Berdo, P.C.

Primary Examiner:

Adolf Berhane

Assistant Examiner:

Sisay G Tiku

Int. Cl.
CPC ...
H02M 1/00 (2006.01); H02M 3/156 (2006.01); H02M 3/158 (2006.01); F02P 3/055 (2006.01); F02P 9/00 (2006.01); F02P 11/00 (2006.01);
U.S. Cl.
CPC ...
H02M 3/156 (2013.01); F02P 3/0552 (2013.01); F02P 9/002 (2013.01); F02P 11/00 (2013.01);
Abstract

A semiconductor integrated circuit for controlling a power switch in accordance with a control signal, which is at one of a first level and a second level for respectively turning on and off the power switch. The semiconductor integrated circuit includes a control circuit configured to receive the control signal to thereby output a reference voltage, a value of which gradually drops from a predetermined value when the received control signal remains at the first level for a predetermined time, a current sensing circuit configured to sense a current flowing through the power switch, and a drive circuit configured to receive the control signal and the reference voltage to thereby output a drive signal, the drive signal limiting the current flowing through the power switch in accordance with the reference voltage and a sense voltage corresponding to the current sensed by the current sensing circuit.

Find Patent Forward Citations

Kohama, Takanori. (2018). Semiconductor integrated circuit (U.S. Patent No. 10103623). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10103623

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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