SYSTEM AND METHOD FOR PROVIDING POSITIVE AND NEGATIVE VOLTAGES WITH A SINGLE INDUCTOR
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United States of America Patent
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Issued Date -
Feb 5, 2015
app pub date -
Aug 1, 2013
filing date -
Aug 1, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for providing positive and negative voltages using a single inductor. In one aspect, the apparatus includes a single inductor having a first end and a second end. The first end is coupled to a first switch and configured to connect to either a power source or a negative output node depending on the state of the first switch. The second end is coupled to a second switch and is configured to connect to either a ground potential or a positive output node depending on the state of the second switch. The apparatus further includes a controller adapted to configure the switches into one of a plurality of configurations at a time.
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