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.:
Date of Patent:
Apr. 20, 2010
Filed:
Nov. 30, 2005
Masayuki Kato, Yokkaichi, JP;
Isao Isshiki, Yokkaichi, JP;
Seiji Takahashi, Yokkaichi, JP;
Masahiko Furuichi, Yokkaichi, JP;
Masayuki Kato, Yokkaichi, JP;
Isao Isshiki, Yokkaichi, JP;
Seiji Takahashi, Yokkaichi, JP;
Masahiko Furuichi, Yokkaichi, JP;
Autonetworks Technologies, Ltd., Mie, JP;
Sumitomo Wiring Systems, Ltd., Mie, JP;
Sumitomo Electric Industries, Ltd., Osaka, JP;
Abstract
In a power supply controllerhaving a self-protective mechanism for performing, intermittently or periodically, a forced ON-OFF operation which causes a power MOSFETto perform an automatically restorable primary disconnecting operation and a restoring operation when an overcurrent anomaly or an short-circuiting anomaly is detected, an automatically unrestorable secondary disconnecting operation is performed when the accumulated amount of the duration of the forced ON-OFF operation reaches an accumulation threshold.