Derive Simple High-Current Source from Lab Supply

Abstract:ComprisingastandardForce-Senselabpowersupply,anadditionalpowersupplyfortheICs,andaseparatecontrolvoltage,thisadjustablecurrentsourceprovidesa1-to-1ratioofcontrolvoltagetoloadcurrent(1A/V).Maxim>AppNotes>AmplifierandComparatorCircuitsGeneralEngineeringTopicsKeywords:force-sensepowersupply,high-sidecurrentmonitor,opamps,controlvoltageAug03,2010APPLICATIONNOTE4485DeriveSimpleHigh-CurrentSourcefromLabSupplyAbstract:ComprisingastandardForce-Senselabpowersupply,anadditionalpowersupplyfortheICs,andaseparatecontrolvoltage,thisadjustablecurrentsourceprovidesa1-to-1ratioofcontrolvoltagetoloadcurrent(1A/V).AsimilarversionofthisarticleappearedintheOctober16,2008issueofEDNmagazine.Whenelectronictestingrequiresanadjustablecurrentsource,youmustoftenbuildthatpieceoftestequipmentinthelab.Youcaneasilymakesuchacurrent