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 8901897 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 02, 2014

Filed:

Mar. 02, 2012
Applicants:

Jamaica L. Barnette, Durham, NC (US);

Raymond M. Clemo, Raleigh, NC (US);

Inventors:

Jamaica L. Barnette, Durham, NC (US);

Raymond M. Clemo, Raleigh, NC (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G05F 3/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

Operating a DC-DC converter that includes: a directly coupled inductor with a first and second coil element, the first and second coil element coupled to an output filter and a load; and power-switching phases, including: a first power-switching phase that includes a high-side and low-side switch, where the high-side switch is configured, when activated, to couple a voltage source to the first coil element and the low-side switch is configured, when activated, to couple the first coil element to a ground voltage; and a second power-switching phase that includes a high-side and low-side switch, where the high-side switch is configured, when activated, to couple the voltage source to the second coil element and the low-side switch is configured, when activated, to couple the second coil element to the ground voltage; and the switches are activated alternatively with no two switches are activated at the same time.


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