Power supply system and short circuit and/or bad connection detection method thereof, and power converter thereof
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United States of America Patent
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Mar 6, 2018
Grant Date -
Dec 24, 2015
app pub date -
Jun 10, 2015
filing date -
Jun 19, 2014
priority date (Note) -
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Abstract
The present invention discloses a short circuit and/or bad connection detection method for use in a power supply system. The power supply system includes a power converter which converts an input voltage to an output voltage and supplies an output current to an electronic device. In the short circuit detection method, the conversion from the input voltage to the output voltage is disabled in a disable time period, and whether a short circuit occurs is determined according to the decreasing speed of the output voltage. In the bad connection detection method, an actual voltage and an actual current received by the electronic device are compared with the output voltage and the output current, to determine whether a bad connection occurs.
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