Current-Limit Switch Is Digitally Programmable

Abstract:Current-limitswitchesarevirtuallyubiquitousinsystemcontrols.Theyprovideasafemeansforregulatingthecurrentdeliveredtoaloadcircuit.Theswitchesallowtheloadcurrenttoincreasetoaprogrammedlimitbutnohigher.Thisapplicationnoteillustratestheimplementationofadigitallyprogrammablecurrent-limitswitchusingMAX890Lacurrent-limited,high-sideP-channelswitchandMAX5160digitalpotentiometerMaxim>AppNotes>A/DandD/ACONVERSION/SAMPLINGCIRCUITSPOWER-SUPPLYCIRCUITSKeywords:currentlimited,current-limit,switch,digitalpotentiometer,digitalpots,Pchannelswitch,switchesAug17,2000APPLICATIONNOTE298Current-LimitSwitchIsDigitallyProgrammableAbstract:Current-limitswitchesarevirtuallyubiquitousinsystemcontrols.Theyprovideasafemeansforregulatingthecurrentdeliveredtoaloadcircuit.Theswitchesallowtheloadcurrenttoincreasetoaprogrammedlimitbutnohigher.Thisapplicationnoteillustratestheimplementationofadigitallyprogrammablecurrent-limitswitchusingMAX890Lacurrent-limited,high-sideP-channelswitchandMAX5160digitalpotentiometerAdditionalInformation:qQuickViewDataSheetfor