标签: h-bridge

采用正确的放大器对于设计H桥驱动器的负载电流监控并不困难，LTC6103和LTC6104完全符合这一设计要求。它们具有双检测输入和一个可选差分输出配置，这个特性可减小设计难度和电路板面积。advertisementDualCurrent-SenseAmpliersSimplifyH-BridgeLoadMonitoringDesignNote407JonMunsonIntroductionAfarmorepracticalmethodistomonitorthesupplyTheH-bridgepower-transistortopologyisincreasinglycurrentfedtoeachhalf-bridgeasshowninFigure2.popularasameansofdrivingmotorsandotherloadsbi-Thisschemeprovidesseveralbenetsthatsimplifyanddirectionallyfromasinglesupplypotential.Inmostcasesimprovethecircuitperformance.Themainimprovementthereisgreatbenetinmonitoringthecurrentdeliveredcomesfromhavingthesenseresistorsatarelativelytotheloadandutilizingthisinformationinreal-timeto……

Abstract:ThisapplicationnoteexaminestheoperationandbenefitsofaClassD(switch-modeandfilterless)audioamplifier.Switch-modeamplifierssuchasthemonoMAX4295andstereofilterlessMAX9701offerhighqualityaudiowithimprovedefficiencywhencomparedtotraditionallinearaudioamplifiers(ClassA,ClassB,andClassAB).ThisapplicationnotepresentsanoverviewoftraditionallinearaudioamplifierdesignsandthencomparesthemwithClassDamplifierdesign.ThebenefitsofnewerClassGamplifiersareacknowledged.ThearticleshowsefficiencycalculationsandoutputfilterdesignforClassDamplifiers.ThehighefficiencyofClassDamplifiersisdemonstratedwiththeMAX9701.Maxim>AppNotes>AmplifierandComparatorCircuitsAudioCircuitsKeywords:audioamplifier,speakerdriver,BTL,bridge-tiedload,switchingaudio,ClassD,PWM,switch-mode,H-bridge,efficiencySep20,2010APPLICATIONNOTE1760High-EfficiencyClassDAudioAmplifiersExtendBatteryLifeinPortableApplicationsAbstract:ThisapplicationnoteexaminestheoperationandbenefitsofaClassD(switch-modeandfilterless)audioamplifier.Switch-modeamplifierssuchasthemonoMAX4295andstereofilterlessMAX9701offerhighqualityaudiowithimprovedefficiencywhencomparedtotraditionallinearaudioamplifiers(ClassA,ClassB,andClassAB).ThisapplicationnotepresentsanoverviewoftraditionallinearaudioamplifierdesignsandthencomparesthemwithClassDampli……

摘要：隔离电源电路（MAX256）的集成的H桥驱动程序通常开主变压器、但它还可以驱动一对替代提供隔离和电能传输变压器的电容器。Maxim>AppNotes>AmplifierandcomparatorcircuitsCircuitprotectionPower-supplycircuitsKeywords:isolatedpower,H-bridgedrivers,dc-blockingcapacitors,isolationcapacitorsDec22,2010APPLICATIONNOTE4553IsolatedPowerUsingCapacitorsAbstract:AnintegratedH-bridgedriverforisolatedpower-supplycircuits(MAX256)usuallydrivestheprimaryofatransformer,butitcanalsodriveapairofcapacitorsthatsubstituteforthetransformerinprovidingisolationandpowertransfer.AsimilarversionofthisarticleappearedintheJune15,2007issueofEETimesmagazine.Isolatedpowerisusuallygeneratedwithatransformer,butitcanalsobegeneratedusingcapacitors.Forsomesystems,theconstraintsofsizeandcostmayfavorcap……

摘要：本应用笔记探讨D类（开关模式和滤波器）音频放大器的运作和效益。如MAX4295单声道和立体声滤波器MAX9701与提高工作效率提供高品质的音频相比，传统的线性音频放大器（A类，B类，AB类）时，开关模式放大器。本应用笔记介绍了传统的线性音频放大器设计概述，然后比较他们与D类放大器设计。新的G类放大器的优点是公认的。文章显示效率的计算和D类放大器的输出滤波器的设计。D类放大器的高效率表现与MAX9701。Maxim>AppNotes>AmplifierandComparatorCircuitsAudioCircuitsKeywords:audioamplifier,speakerdriver,BTL,bridge-tiedload,switchingaudio,ClassD,PWM,switch-mode,H-bridge,efficiencySep20,2010APPLICATIONNOTE1760High-EfficiencyClassDAudioAmplifiersExtendBatteryLifeinPortableApplicationsAbstract:ThisapplicationnoteexaminestheoperationandbenefitsofaClassD(switch-modeandfilterless)audioamplifier.Switch-modeamplifierssuchasthemonoMAX4295andstereofilterlessMAX9701offerhighqualityaudiowithimprovedefficiencywhencomparedtotraditionallinearaudioamplifiers(ClassA,ClassB,andClassAB).ThisapplicationnotepresentsanoverviewoftraditionallinearaudioamplifierdesignsandthencomparesthemwithClassDampli……

摘要：一个简单的电路，在这种设计理念在1A的5V隔离输出稳压的5V输入转换。变压器H桥，推挽式驱动器，MAX253，效率直接取决于输出整流器的正向压降。Maxim>AppNotes>BatteryManagementPower-SupplyCircuitsKeywords:H-bridgedriver,push-pulltransformerdriver,isolatedoutput,siliconrectifierJun19,2000APPLICATIONNOTE674Push-PullDriverProvidesIsolated5Vat1AAbstract:Inthisdesignideaasimplecircuitconvertsaregulated5Vinputtoanisolated5Voutputat1A.TheefficiencyofatransformerH-bridge,push-pulldriver,theMAX253,dependsdirectlyontheforwarddropsoftheoutputrectifiers.ThecircuitinFigure1convertsaregulated5Vinputtoanisolated5Voutputwith1Acurrent-outputcapability.IC1,apush-pulltransformerdriver,powersapairofcross-coupledpowerMOSFETsinaflip-flop-likeconfiguration.Inturn,theMOSFETstogglethe……

摘要：隔离电源电路集成H桥驱动器（MAX256采用）通常驱动变压器初级，但它也可以驾驶的变压器对电容替代，在提供隔离和转移电源。Maxim>AppNotes>AmplifierandcomparatorcircuitsCircuitprotectionPower-supplycircuitsKeywords:isolatedpower,H-bridgedrivers,dc-blockingcapacitors,isolationcapacitorsDec22,2010APPLICATIONNOTE4553IsolatedPowerUsingCapacitorsAbstract:AnintegratedH-bridgedriverforisolatedpower-supplycircuits(MAX256)usuallydrivestheprimaryofatransformer,butitcanalsodriveapairofcapacitorsthatsubstituteforthetransformerinprovidingisolationandpowertransfer.AsimilarversionofthisarticleappearedintheJune15,2007issueofEETimesmagazine.Isolatedpowerisusuallygeneratedwithatransformer,butitcanalsobegeneratedusingcapacitors.Forsomesystems,theconstraintsofsizeandcostmayfavorcap……