Resonant wireless power receiver circuit and control method thereof
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United States of America Patent
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Dec 26, 2017
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N/A
app pub date -
Feb 10, 2016
filing date -
Feb 26, 2015
priority date (Note) -
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Abstract
A resonant wireless power receiver circuit includes an adjustable impedance matching circuit and a receiver circuit, the impedance matching circuit and the receiver circuit in combination receive a wireless power and generate a resonant output. A rectifier is coupled to the combination of the adjustable impedance matching circuit and the receiver circuit to rectify the resonant output to generate a rectified output. The impedance of the adjustable impedance matching circuit is controlled by a feedback control circuit such that the load impedance of rectified output is regulated at a pre-determined impedance value, or the voltage of the rectified output is regulated at a pre-determined voltage value.
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