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:
Feb. 20, 2018

Filed:

Nov. 30, 2016
Applicant:

Fuji Electric Co., Ltd., Kanagawa, JP;

Inventor:

Shigemi Miyazawa, Matsumoto, JP;

Assignee:

FUJI ELECTRIC CO., LTD., Kanagawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01T 15/00 (2006.01); H01L 29/06 (2006.01); H01L 29/739 (2006.01); H01L 29/78 (2006.01);
U.S. Cl.
CPC ...
H01T 15/00 (2013.01); H01L 29/0623 (2013.01); H01L 29/7395 (2013.01); H01L 29/7802 (2013.01);
Abstract

A semiconductor apparatus is provided, including a power semiconductor element, a cutoff condition detection portion which detects whether a predetermined cutoff condition is met, a reset portion which outputs a reset signal that instructs to reset during a predetermined period in response to an input of the control signal turning the power semiconductor element on, a latch portion which is reset in response to the reset signal and latches that an occurrence of the cutoff condition is detected after the reset, a cutoff circuit which controls the gate of the power semiconductor element to be at an OFF potential in response to the latching of the occurrence of the cutoff condition by the latch portion, and a prevention circuit which prevents the gate of the power semiconductor element from being at an ON potential during a period of reset of the latch portion even if the cutoff condition is met.


Find Patent Forward Citations

Miyazawa, Shigemi. (2018). Semiconductor apparatus (U.S. Patent No. 9899804). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9899804

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

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