Temperature detecting circuit and method thereof
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United States of America Patent
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Feb 14, 2017
Grant Date -
Sep 18, 2014
app pub date -
Mar 1, 2014
filing date -
Mar 15, 2013
priority date (Note) -
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Abstract
A temperature detecting circuit and method thereof, adapted to a voltage converter circuit which includes a current detecting circuit having a detecting output port outputting a current detecting signal proportional to an output current of the voltage converter circuit, includes: a current signal processing unit, having a signal input port coupling to the detecting output port, a first detecting output port generating a first processing signal with a first temperature coefficient, a second detecting output port generating a second processing signal with a second temperature coefficient, wherein the first and the second processing signals are proportional to the current detecting signal; and, a temperature calculating unit, receiving the first and the second processing signals and performing calculation to derive a temperature value.
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