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:
Mar. 17, 2015

Filed:

Oct. 12, 2011
Applicants:

Kai Xu, Mississauga, CA;

Lyall Kenneth Winger, Waterloo, CA;

Christopher David Bernard, Kitchener, CA;

Inventors:

Kai Xu, Mississauga, CA;

Lyall Kenneth Winger, Waterloo, CA;

Christopher David Bernard, Kitchener, CA;

Assignee:

BlackBerry Limited, Waterloo, CA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05F 1/56 (2006.01); H02M 3/158 (2006.01); G05F 1/565 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H02M 3/1582 (2013.01); H02M 2001/007 (2013.01);
Abstract

A power converter system for managing power between a power supply and a load, the system including: a first buck-boost circuit connected to the power supply; and a capacitor provided between the buck-boost circuit and the load to buffer power supply for the load. The system may include a second buck-boost circuit between the capacitor and the load. In another embodiment, a power converter system includes: a boost circuit connected to the power supply; a buck circuit connected to the load; and a capacitor provided between the boost circuit and the buck circuit to manage the supply of power to the load.


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