Electrical assembly and measurement circuit and method for monitoring a component thereof
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United States of America Patent
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Apr 8, 2016
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Apr 9, 2015
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Abstract
A measuring method is provided for monitoring a component of an electrical assembly, in which the voltage across at least one component of the electrical assembly and a current through the component are measured, and in which, from measurement values for the voltage and the current, a resistance value of the component is determined. The voltage and the current are measured in successive switching periods of a periodic switching signal of the electrical assembly, and the resistance value is determined based on the measurement values for voltage and current from the successive switching periods. A measuring circuit for monitoring a component of an electrical assembly is provided with an analog/digital converter. An electrical assembly, in particular a switching power supply, having such a measuring circuit is also provided.
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