Average input current estimation based on primary side current sense
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United States of America Patent
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Jun 30, 2015
Grant Date -
Aug 21, 2014
app pub date -
Feb 19, 2013
filing date -
Feb 19, 2013
priority date (Note) -
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Abstract
The embodiments herein describe a power converter including a controller that estimates input current of the power converter. The controller estimates the input current without explicitly sensing the input current. The estimated input current can be used in various applications such as regulating power factor and total harmonic distortion as well as estimating current required to maintain proper operation of a dimmer switch in light emitting diode lamp systems.
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