Current Balancing Multiphase Power Converters, Controllers and Methods
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United States of America Patent
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Issued Date -
Oct 20, 2011
app pub date -
Apr 20, 2010
filing date -
Apr 20, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method of controlling a multiphase power converter including a plurality of sub-converters is disclosed. The method includes, for each of the sub-converters, estimating a current provided by that sub-converter. The method includes selecting one of the sub-converters that is on and determined to have a greatest current as the next sub-converter to be turned off and selecting one of the sub-converters that is off and determined to have a smallest current as the next sub-converter to be turned on. Other methods, multiphase power converters and controllers for multiphase power converters are also disclosed.
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