标签: supervisor

Abstract:UsingaDACandamicroprocessorsupervisor,thesystemsafetycanbeimprovedinindustrialcontrollers,programmable-logiccontrollers(PLC),anddata-acquisitionsystems.Theanalogoutputissettozero-scale(orpin-programmablemidscale)whenamicroprocessorfailure,optocouplerfailure,orundervoltageconditionoccurs.Asimpleapplicationisshownonhowtoimplementthisfunction.Maxim>DesignSupport>TechnicalDocuments>ApplicationNotes>A/DandD/AConversion/SamplingCircuits>APP474Keywords:uPsupervisor,microprocessorsupervisor,analogio,DAC,optocoupler,digitalanalogconverter,programmablelogiccontroller,PLC,dataacquisitionFeb15,2012APPLICATIONNOTE474PrecisionDACandWatchdogImproveAnalogOutputSafetyBy:DamianAnzaldo,CommunicationSegmentManager,MaximIntegratedProductsFeb15,2012Abstract:UsingaDACandamicroprocessorsupervisor,thesystemsafetycanbeimprovedinindustrialcontrollers,programmable-logiccontrollers(PLC),anddata-acquisitionsystems.Theanalogoutputissettozero-sc……

Abstract:Thefollowingapplicationnotedemonstratesapower-savingcircuitthatpulsesasensorfor1secondevery30minutes.Designedtomonitorlevelsofsaltcrystalsinawatersoftener,thecircuitconsumesanaverageof70µA.Maxim>DesignSupport>TechnicalDocuments>ApplicationNotes>AmplifierandComparatorCircuits>APP1212Maxim>DesignSupport>TechnicalDocuments>ApplicationNotes>MeasurementCircuits>APP1212Keywords:lowpowersensor,comparator,saltcrystalleveldetector,pulsedsensor,microprocessorsupervisor,comparatorandreference,uPsupervisorJan01,1998APPLICATIONNOTE1212PulsedSensorExtendsBatteryLifeJan01,1998Abstract:Thefollowingapplicationnotedemonstratesapower-savingcircuitthatpulsesasensorfor1secondevery30minutes.Designedtomonitorlevelsofsaltcrystalsinawatersoftener,thecircuitconsumesanaverage……

摘要：设计一个简单的电路断开笔记显示了如何从低电压电源的负载。该电路采用反相电荷泵产生负电压〜等于输入电源和微处理器监控监测的电压差。Maxim>AppNotes>AmplifierandComparatorCircuitsKeywords:chargepump,invertingchargepump,microprocessorsupervisor,uP,low-voltagecircuitJun27,2003APPLICATIONNOTE2080SimpleCircuitDisconnectsLoadfromLow-VoltageSupplyAbstract:Designnoteshowshowasimplecircuitdisconnectstheloadfromalow-voltagesupply.Thecircuitusesaninvertingchargepumptogenerateanegativevoltage~equaltotheinputsupplyandamicroprocessorsupervisortomonitorthevoltagedifference.Schematicisshown.AsimilarversionofthisarticleappearedintheApril14,2003issueofEDNmagazine.Powersuppliesoftenincludeacircuitthatdisconnectstheloadwhenthesupplyvoltagedropstoolow(whenabatteryisnearly……

绍了节电电路，脉冲传感器为1秒，每30分钟。旨在监视水平在软水盐晶体，电路消耗70μA平均。Maxim>DesignSupport>TechnicalDocuments>ApplicationNotes>AmplifierandComparatorCircuits>APP1212Maxim>DesignSupport>TechnicalDocuments>ApplicationNotes>MeasurementCircuits>APP1212Keywords:lowpowersensor,comparator,saltcrystalleveldetector,pulsedsensor,microprocessorsupervisor,comparatorandreference,uPsupervisorJan01,1998APPLICATIONNOTE1212PulsedSensorExtendsBatteryLifeJan01,1998Abstract:Thefollowingapplicationnotedemonstratesapower-savingcircuitthatpulsesasensorfor1secondevery30minutes.Designedtomonitorlevelsofsaltcrystalsinawatersoftener,thecircuitconsumesanaverage……

MAX6326微处理器监控中的应用提供了一个电池切换电路断开时，墙上适配器。复位输出驱动外部MOSFET作为开关使用。这种切换电路也去抖期间切换的墙上源输出。Maxim>AppNotes>AUTOMOTIVEMICROPROCESSORSUPERVISORCIRCUITSKeywords:uPsupervisor,voltagemonitoring,battery-power,push-pull,resetoutput,microprocessorSep09,2002supervisorAPPLICATIONNOTE1195MaximizeBatteryLifeandMinimizeReplacementsAbstract:TheMAX6326microprocessorsupervisorisusedinanapplicationtoprovideabatteryswitchovercircuitwhenthewalladapterisdisconnected.TheresetoutputdrivesanexternalMOSFETthatisusedasaswitch.Thisswitchovercircuitalsodebouncesthewall-sourceoutputduringswitchover.Battery-poweredportableandhandhelddeviceswithplug-inwalladaptersmustswitchautomaticallybetweenthebatteryandthewallsourcewhentheACadapterisconnected.Acommonwaytodothisiswithadiode-ORconnecti……

大多数基于微处理器的系统，以确保正确的操作，需要在上电和掉电的监督，并在进入或退出关机或休眠模式。主管可能只提供了一个上电复位，或它可以提供额外的功能，如备份电池管理，存储器写保护，低线的预警，或软件看门狗（图1）。Maxim>AppNotes>AutomotiveMicroprocessorSupervisorCircuitsKeywords:microprocessorsupervisor,batterybackup,falsereset,poweronreset,powergoodcircuit,resetcircuit,earlywarning,sleepmode,uPsupervisor,Mar13,2000microprocessor,supervisory,supervisorICsAPPLICATIONNOTE655SupervisorICsMonitorBattery-PoweredEquipmentToensurecorrectoperation,mostmicroprocessor-basedsystemsrequiresupervisionduringpower-upandpower-down,andwhenenteringorexitingshutdownorsleepmode.Thesupervisormayonlyprovideapower-onreset,oritmayofferadditionalfunctions,suchasbackup-batterymanagement,memory-writeprotection,low-lineearlywarning,orasoftwarewatchdog(Figure1).Figure1.Afeature-ladenPsupervisor(IC1),withtheh……

摘要：以下应用笔记演示了一个简单的使用电荷泵和一个微处理器监控电路断开负载低的电源电压。该电路采用P沟道MOSFET断开负载从一个1.5V电源。Maxim/Dallas>AppNotes>BATTERYMANAGEMENTPOWER-SUPPLYCIRCUITSKeywords:lowvoltage,batterydisconnect,loaddisconnect,dc-dcconverter,overvoltage,dctodcconverters,Jul21,2003overvoltage,voltagemonitor,microprocessorsupervisorAPPLICATIONNOTE2237SimpleCircuitDisconnectsLoadfromLow-VoltageSupplyThefollowingapplicationnotedemonstratesasimplecircuitusingachargepumpandamicroprocessorsupervisortodisconnectalowvoltagesupplyfromaload.ThecircuitusesaP-channelMOSFETtodisconnecttheloadfroma1.5Vsupply.Powersuppliesoftenincludeacircuitthatdisconnectstheloadwhenthesupplyvoltagedropstoolow(whenabatteryisnearlydischarged,forexample).Ap-channelMOSFETconnectedbetweensupplyandloadisthety……

摘要：一个应用程序显示如何使用微处理器的监督使用程序双条筛选器。使用重置电路和打包带到电源失效比较器延时电路，筛选器可以轻松地进行编程，以在通电使用此过程中提供正确的截止频率的时间延迟重置电路。Maxim>AppNotes>FILTERCIRCUITS(ANALOG)Keywords:analogfilter,microprocessorsupervisor,uPsupervisor,resetcircuit,powerfailcomparatorJul09,1998APPLICATIONNOTE23P-SupervisorChipControlsProgrammableFilterAbstract:Anapplicationshowinghowtheuseofamicroprocessorsupervisorcanbeusedtoprogramadualsectionfilter.Usingthetimedelayfromtheresetcircuitandstrappingittothepower-failcomparatorwithadelaycircuit,thefiltercaneasilybeprogrammedtoprovidethecorrectcutofffrequenciesduringpowerupusingthisresetcircuit.Certaindual-sectionfilterICshaveacommon7-bitportforprogrammingthetwocutofffrequencies(fC).IfbothsectionsrequirethesamefC,youcanstrapanappropriatecodetotheportpins,……

摘要：本文提供选择备用电池的DS36xx安全监督员的指导方针。由于复杂的产品和相关的安全应用，有几个因素会影响电池的选择。文章论述了三个因素，影响电池的选择，并提出了化学电池的首选。这也解释了一些必要的分析，正确选择与使用这些安全监督员的电池。Maxim>DesignSupport>AppNotes>CircuitProtection>APP4297Maxim>DesignSupport>AppNotes>GeneralEngineeringTopics>APP4297Maxim>DesignSupport>AppNotes>SecurityandAuthentication>APP4297Keywords:securesupervisor,lithiumSep17,2008APPLICATIONNOTE4297BatterySelectionforSecureSupervisorApplicationsAbstract:ThisarticleprovidesguidelinesforselectingabackupbatteryfortheDS36xxsecuresupervisors.Becauseofthecomplexityoftheproductsandtheassociatedsecureapplications,severalfactorscaninfluencethebatteryselection.Thearticlediscussesthreefactorsthatinfluencebatteryselectionandpresentsthepre……