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:
Jun. 09, 2009
Filed:
Sep. 10, 2007
Ashraf W. Lotfi, Bridgewater, NJ (US);
Trifon M. Liakopoulos, Bridgewater, NJ (US);
Robert W. Filas, Basking Ridge, NJ (US);
Amrit Panda, San Jose, CA (US);
Ashraf W. Lotfi, Bridgewater, NJ (US);
Trifon M. Liakopoulos, Bridgewater, NJ (US);
Robert W. Filas, Basking Ridge, NJ (US);
Amrit Panda, San Jose, CA (US);
Enpirion, Inc., Bridgewater, NJ (US);
Abstract
A power converter including a power train, a controller and a driver. In one embodiment, the power train includes a switch that conducts for a duty cycle and provides a regulated output characteristic for the power converter, and a micromagnetic device. The micromagnetic device includes a first conductive winding layer selectively formed above a first seed layer, and first and second magnetic core layers formed thereabove. The micromagnetic device also includes a second seed layer formed above the second magnetic core layer, and a second conductive winding layer formed above the second seed layer and in vias to the first conductive winding layer. The first and second conductive winding layers form a winding for the micromagnetic device. The controller provides a signal to control the duty cycle of the switch, and the driver provides a drive signal to the switch as a function of the signal from the controller.