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Abstract:Usingacurrent-senseamplifier,ahigh-sideMOSFETdriver,andalatchingvoltagemonitoracircuitcanbeeasilyconstructedthatprotectsfromovercurrentconditionsandoperatesatvoltagesashighas26V.Maxim>AppNotes>AMPLIFIERANDCOMPARATORCIRCUITSCIRCUITPROTECTIONKeywords:overvoltage,overcurrent,overvoltagecurrent,protection,set,trip,point,circuitbreaker,RS232,RS-232,rs232,USBSep11,1998APPLICATIONNOTE240OvercurrentMonitorOperatesupto26VAbstract:Usingacurrent-senseamplifier,ahigh-sideMOSFETdriver,andalatchingvoltagemonitoracircuitcanbeeasilyconstructedthatprotectsfromovercurrentconditionsandoperatesatvoltagesashighas26V.WidespreaduseoftheUniversalSerialBus(USB)hasledtoaselectionofovercurrent-protectioncircuitsforsupplyrailsinthe+2.7Vto+5.5Vrange,butfewproductsareavailableforvoltagesabovethatrange.ThecircuitbreakerinFigure1operatesonsupplyvoltages……