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时间: 2019-12-24 18:34
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摘要:该电路保持电源的负载,无论在电源电压瞬间短路或打开,包括低电流过压保护IC(MAX6495的工作),保护负载免受瞬态电压高达72V。Maxim>AppNotes>CircuitProtectionProtectionandIsolationKeywords:automotiveelectronics,overvoltageprotection,brownoutprotection,ride-throughcapability,MOSFETsDec22,2010APPLICATIONNOTE4550AutomotiveProtectionCircuit"RidesThrough"Supply-VoltageInterruptionsand72VTransientsBy:RonaldMoradkhanAbstract:Thiscircuitmaintainspowertotheloadregardlessofmomentaryshortsoropensinthesupplyvoltage,andincludesalow-currentovervoltage-protectionIC(MAX6495)thatprotectstheloadagainsttransientvoltagesupto72V.AsimilarversionofthisarticleappearedintheNovember25,2007issueofMachineDesignmagazine.Manyapplicationsinautomotiveelectronicsrequireasupplyvoltagethatremainsuninterrupt……