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:
Jan. 17, 2006
Filed:
Mar. 08, 2002
Benoît Peron, Tours, FR;
Benoît Peron, Tours, FR;
STMicroelectronics S.A., Montrouge, FR;
Abstract
The invention relates to an auxiliary switching circuit () for a chopping converter comprising a first inductive element (L) for serial energy storage with a free-wheel diode (DL) and a switch (K), in addition to a second inductive element (L) for di/dt control when the switch is closed, the auxialiary switching circuit comprising a magnetic circuit () whereby a main winding thereof is formed at least partially by the first inductive element (L), also comprising means (L, D, L, D) for discharging the second inductive element when the switch is opened or closed, and means (L, D) for transferring the energy corresponding to the closure vis a vis said main winding.