Protecting circuit
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United States of America Patent
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Oct 4, 2016
Grant Date -
Apr 24, 2014
app pub date -
Sep 5, 2013
filing date -
Oct 19, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A protecting circuit connected between a power supply and a load includes an interface unit, a switching unit, a protection module, a locking unit, and a trigger unit. The interface unit is used for connecting to the load. The switching unit turns on to establish a connection between the power supply and the load when the interface connects to the load and turns off to cut off the connection. The protection module generates a protecting signal when the output of the power supply is in an abnormal state, and the locking unit controls the trigger unit to generate a control signal. The switching unit cuts off the connection in response to the control signal. When the output of the power supply resumes to a normal state, the switching unit automatically resumes the connection by reconnecting the interface with the load.
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