Power supply device and method of controlling power supply device
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United States of America Patent
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Jun 25, 2019
Grant Date -
Mar 21, 2019
app pub date -
Aug 4, 2017
filing date -
Aug 4, 2017
priority date (Note) -
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Abstract
A power supply device includes an output circuit configured to be supplied with electric power from a power supply, and to output a current, a driving circuit configured to control an output operation of the output circuit to output a current, an overcurrent detection circuit configured to output a detection signal to a first node when detecting an overcurrent in the output circuit, an off-state fixing circuit configured to output an off-state fixing signal to the driving circuit for performing a forcible suspension of the output operation of the output circuit based on a detection signal inputted to the first node, regardless of whether a control signal is outputted, and a control unit configured to receive the detection signal and to output the control signal for controlling the output operation to the driving circuit in order to cause the driving circuit to control the output operation.
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