标签: shunt

Abstract:Toprotectaudioamplifiersandotherautomotiveelectroniccircuitsintheeventofanaccidentaldirectconnectiontothecarbatteryvoltage,addthecircuitryshown(ashuntregulator,diodes,andann-channelMOSFETinserieswitheachaudiopath).Maxim>AppNotes>AmplifierandComparatorCircuitsAudioCircuitsAutomotiveCircuitProtectionKeywords:automotivevoltageprotection,dualn-channelMOSFETs,shuntregulators,classABamplifiersJan06,2011APPLICATIONNOTE4555CircuitGuardsAmplifierOutputsAgainstOvervoltageAbstract:Toprotectaudioamplifiersandotherautomotiveelectroniccircuitsintheeventofanaccidentaldirectconnectiontothecarbatteryvoltage,addthecircuitryshown(ashuntregulator,diodes,andann-channelMOSFETinserieswitheachaudiopath).AsimilarversionofthisarticleappearedintheJuly7,2007issueofEDNmagazine.Auniversalrequirementforautomotiveelectronicsisthatanydevicewithdirectconnectionstothewiringharnessmustbeabletowith……

Abstract:Thefragilecurrent-shuntresistorintheanalogfrontendofanisolated0–20mAprecisioncurrentloopcanbeprotectedbyafastfuseoranautomaticcurrent-limitingswitch.Thecircuitshown,however,isfasterthanafuse,requiresnoreplacement,and(unliketheswitch)providesmicroprocessorcontrolwithanoptiontologthefaultevents.Thecircuitincludesacomparator(MAX9910),amicroprocessorsupervisorwithwatchdogtimer(MAX6706),aD-typeflip-flop,anNORgate,anORgate,andasolid-staterelay.Maxim>Designsupport>Appnotes>AmplifierandComparatorCircuits>APP4850Maxim>Designsupport>Appnotes>MicroprocessorSupervisorCircuits>APP4850Maxim>Designsupport>Appnotes>ProtectionandIsolation>APP4850Keywords:0-20mAcurrentloop,analogfrontend,AFE,current-shuntresistor,shuntprotectionFeb15,2011APPLICATIONNOTE4850MicrocontrollerControlsCurrent-LoopAFEProtectionBy:AnatolyAndrusevichAbstract:Thefragilecurrent-shuntresistorintheanalogfrontendofanisolated0……

摘要：本应用笔记显示了电源产生三个隔离电压SLIC组件。隔离电源使用-24V类型学在反激式变压器，升压控制器MAX668，-72V输出，光耦隔离反馈信号。线性稳压器MAX8867，提供3.3V输出。Maxim>AppNotes>AutomotivePower-supplycircuitsKeywords:subscriberlineinterfacecard,SLIC,boostcontroller,transformerflybacktypology,optocoupler,shuntvoltageregulator,linearJun14,2002voltageregulatorAPPLICATIONNOTE1115IsolatedSLICsupplyAbstract:ThisapplicationnoteshowsapowersupplythatgeneratesthreeisolatedvoltagesforSLICs.Theisolatedpowersupplyusesaboostcontroller,theMAX668,withatransformerinflybacktypologyfor-24V,and-72Voutputs,andisolatesthefeedbacksignalwithanoptocoupler.Alinearvoltageregulator,theMAX8867,providesthe3.3Voutput.AsimilarversionofthisarticleappearedintheSeptember24,2001issueofEETimesmagazine.Somesubscriberlineinterfacecards(SLICs)requirepower-supplyvoltag……

摘要：超低电阻表面安装电流检测电阻像理想的包。物理设计，皮带的金属，似乎理想，提供可能的最低电感。往往这些电阻需要某种形式的电阻电容筛选以限制开关噪声峰值。问题是分流器的时间常数是除以回路电阻的包电感。因此，低分流电阻、越长衰变倍。Maxim>AppNotes>BATTERYMANAGEMENTPOWER-SUPPLYCIRCUITSKeywords:currentsense,resistor,surfacemount,currentshunt,current-senseresistors,shuntresistanceDec27,2001APPLICATIONNOTE908Ultra-LowResistanceSurfaceMountCurrentShuntsAbstract:Ultra-lowresistancesurfacemountcurrent-senseresistorsseemliketheidealpackage.Thephysicaldesign,astrapofmetal,seemsideal,offeringthelowestinductancepossible.Toooftentheseresistorsneedsomekindofresistorcapacitorfiltertolimittheswitchingnoisespikes.Theproblemisthatthetimeconstantfortheshuntisthepackageinductancedividedbythecircuitresistance.Consequently,thelowertheshuntresistance,thelongerthedecaytimes.Ultra-lowresistancesurfacemountcurrent-sens……

摘要：超低电阻表面贴装电流感应电阻看起来就像理想的包。物理设计，金属表带，似乎很理想，提供尽可能最低的电感。往往这些电阻需要一些电阻电容滤波器来限制开关噪声尖峰。问题是，分流器的时间常数除以电路的电阻，封装电感。因此，分流电阻低，时间越长，衰减时间。Maxim>AppNotes>BATTERYMANAGEMENTPOWER-SUPPLYCIRCUITSKeywords:currentsense,resistor,surfacemount,currentshunt,current-senseresistors,shuntresistanceDec27,2001APPLICATIONNOTE908Ultra-LowResistanceSurfaceMountCurrentShuntsAbstract:Ultra-lowresistancesurfacemountcurrent-senseresistorsseemliketheidealpackage.Thephysicaldesign,astrapofmetal,seemsideal,offeringthelowestinductancepossible.Toooftentheseresistorsneedsomekindofresistorcapacitorfiltertolimittheswitchingnoisespikes.Theproblemisthatthetimeconstantfortheshuntisthepackageinductancedividedbythecircuitresistance.Consequently,thelowertheshuntresistance,thelongerthedecaytimes.Ultra-lowresistancesurfacemountcurrent-sens……

摘要：为了保护音频放大器及其他汽车电子电路直接连接到汽车电池的电压，一个偶然的事件，添加所示的电路（并联稳压器，二极管，和n沟道MOSFET在音频路径与每个系列）。Maxim>AppNotes>AmplifierandComparatorCircuitsAudioCircuitsAutomotiveCircuitProtectionKeywords:automotivevoltageprotection,dualn-channelMOSFETs,shuntregulators,classABamplifiersJan06,2011APPLICATIONNOTE4555CircuitGuardsAmplifierOutputsAgainstOvervoltageAbstract:Toprotectaudioamplifiersandotherautomotiveelectroniccircuitsintheeventofanaccidentaldirectconnectiontothecarbatteryvoltage,addthecircuitryshown(ashuntregulator,diodes,andann-channelMOSFETinserieswitheachaudiopath).AsimilarversionofthisarticleappearedintheJuly7,2007issueofEDNmagazine.Auniversalrequirementforautomotiveelectronicsisthatanydevicewithdirectconnectionstothewiringharnessmustbeabletowith……

摘要：代替通常的晶体管在功率放大器电路的分流稳压器（U1），提高了限流精度。Maxim>AppNotes>CIRCUITPROTECTIONPOWER-SUPPLYCIRCUITSKeywords:shuntregulator,currentlimit,poweramplifier,adjustableshuntregulatorJul26,2006APPLICATIONNOTE3867ShuntRegulatorImprovesPA'sCurrent-LimitAccuracyAbstract:Substitutingashuntregulator(U1)fortheusualtransistorinthispower-amplifiercircuitimprovesthecurrent-limitaccuracy.Addingcurrent-limitingcircuitrytoanemitterfollowerprotectsboththepasstransistoranddownstreamcircuitryfromexcessivecurrentdamage.Theclassicwaytoimplementsuchcurrentlimitingistoaddaballastresistorbetweenthepasstransistor'semitterandthecircuitoutput,andthenmonitortheresistordropwithasmall-signaltransistor.SeeR4andQ2inthepoweramplifier(……

摘要：本文标识制造电流互感器(CT)和分流电阻器，以帮助使用Teridian的设计公司78米6612/78米6613/78米6618家庭的能源和电力测量系统芯片(SoC)设备。应用程序中的表请注意列表CT和分流电阻器制造商，他们的网站的链接。78M661xSensorSelectionGuideAMaximIntegratedProductsBrandAPPLICATIONNOTEAN_661x_071March2011IntroductionTohelpyouinthedesignofyourapplication,thisdocumentidentifiescompaniesthatmanufacturereliablecurrentsensorsandshuntresistors.CTManufacturersThefollowingtablelistsCTmanufacturerswithURLstotheirwebpages.ManufacturerURLAmvecohttp://www.amveco.com/acseries_curr……

摘要：传统上，ANSI和IEC标准的要求，电表的磁场水平相对良性运作。在某些市场上，由于强大的稀土磁铁DC米篡改，可以使用的情况下更严格的要求不断涌现。本应用笔记介绍的方法来管理或抑制来自外部磁场对变压器用于Teridian公司/马克西姆71M6541-71M6545家庭的用电计量IC领域的影响。71M654xAMaximIntegratedProductsBrandAPPLICATIONNOTEAN_654x_021AUGUST2011MagneticShieldingforPulseTransformersIntroductionThe71M654xfamilyofelectricitymeteringICsaredesignedtobeusedwithCTsorwithshuntresistorsthatareconnectedto71M6xxxRemoteSensorInterfaces.These71M6xxxRemoteSensorInterfacesarenormallycon-nectedtothe71M654xICsviasmalllow-costpulsetransformers.Pulsetransformers,justlikeCTs,canbeinfluencedbyexternalmagneticfields.Traditio……

摘要：高度集成的78M6612的电能计量SoC最大限度地减少了外部元件数量和降低印刷电路板（PCB）布局设计的复杂性。本应用笔记讨论了一些设计问题，优化了测量精度和可靠性。78M6612PrintedCircuitBoardLayoutGuidelinesAMaximIntegratedProductsBrandAPPLICATIONNOTEAN_6612_025March2010IntroductionThehighlyintegrated78M6612SOCminimizestheexternalcomponentcountandreducesthecomplexityoftheprintedcircuitboardlayoutdesign.However,somedesignissuesrequireconsiderationforoptimummeasurementaccuracyandreliability.Thisapplicationnotediscus……