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公开(公告)号：US20170366018A1
公开(公告)日：2017-12-21
申请号：US15185323
申请日：2016-06-17
Applicant: QUALCOMM Incorporated
Inventor： William Henry VON NOVAK , Linda IRISH
CPC classification number: H02J7/0014 , B60L11/1866 , H02J7/0016
Abstract: Certain aspects of the present disclosure provide apparatus and methods for balancing charge in a plurality of cells in a battery. In one example apparatus, the primary winding of the transformer may be coupled to a bus, and the secondary winding may be coupled to a cell of the plurality of cells in the battery. The apparatus also includes a switch coupled to the primary winding of the transformer and one or more control circuits coupled to the switch. The control circuit may be configured to control the first switch based on a voltage at a first terminal of the primary winding to control transfer of power between the cell and the bus via the transformer.
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公开(公告)号：US20180083473A1
公开(公告)日：2018-03-22
申请号：US15268042
申请日：2016-09-16
Applicant: QUALCOMM Incorporated
Inventor： Paolo MENEGOLI , Linda IRISH , Fabio Alessio MARINO
CPC classification number: H02J7/025 , H02J3/01 , H02J5/005 , H02J7/0052 , H02J50/12 , H02M1/44 , Y02E40/40
Abstract: Techniques for tuning a resonant network are discussed. An example apparatus for controlling an output parameter with a resonant network comprising a differential-series circuit with a first variable reactive element on a first branch of the differential-series circuit and a second variable reactive element on a second branch of the differential-series circuit, such that the resonant network is coupled to an output circuit. The apparatus includes a common control element operably coupled to the first variable reactive element and the second variable reactive element, and a control circuit operably coupled to the output circuit and the common control element and configured to vary an impedance of the resonant network based on a value of the output parameter in the output circuit.
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