27五月2023汽車無源MEMS式TPMS系統Regulation/LegislationTREADAct(US)SafetyProperTireInflationcanreduceblowoutsmitigatehydroplaningreducebrakingdistanceandimprovehandlingCostSavingProperTireInflationcanIncreasetirelifeImprovegasmileageWhyNeedforTirePressureMonitoring?TypesofTirePressureMonitoringSystemsDirect Directlymeasurethetiretemperatureandpressureviaasensorthatisinstalledonthewheel.Indirect Themostcommonlyusedindirectsystemutilizesanti-lockbrakingsystems(ABS)tomeasurethedifferenceintherotationalspeedofthefourwheels.Awheelthatisrotatingfasterthantheothersinfersthatwheelhaslowerpressurethantheotherwheels.Auto-LocationAuto-locationistheabilityoftheTPMsystemtoautomaticallydeterminethelocationofeachactivesensor.Enhanced,directTPMsystemsareabletoauto-locateandtoinformthedriverwhichtireisunderinflated.TirePressureSensorECU+Autolearnhardware(2)RadioFrequencyDetector(RFD)SensorsDisplayUnitDirectlymeasurespressureintireandtransmitsviaRFtoareceiverTirePressureMonitoringSystemComponentsTirePressureSensorBeruSchraderPacificMaterialCostBreakdownSensor99%ofdirectTPMSystemscurrentlyuseMEMSpressuresensors.MajorSuppliersMajorSuppliers’MarketShareChineseSuppliersChineseSuppliersMarketOpportunityCAGRof2%inthenext5yearsIfnothingchangesinEuropeanorAsianlegislationIftheEuropeanlegislationmakesTPMSmandatory,drivenbyrisingconcernsonCO2emissions,themarketwouldgoover$300Mby2012(CAGRof13%inthenext5years).TPMSmarketisamarketdrivenbyregulations/legislationsTPMSismandatoryonallnewcarssoldinUSsinceSept.1,2007.InEuropeandAsia,themarketpenetrationisslowandnotsupportedyetbyanyregulation.ThepotentialsuccessinimposingTPMSinEuropeand/orAsiawillcreateanewrallyofhighspeedmarketgrowth,pluscurrenttechnicalchallenges,alargenumberofplayersstillactivelydevelopnewsystemsinordertogetashareofthemarket.WhatisNextintheTPMSMarket?ProgressinindirectmeasurementsystemsMovingthesensorfromthevalvetothetireinlayEnergyharvestingdevicestechnologiesandintegrationEachwillhaveverystrongimpactonthemarketandwouldmeanamarketshift.OneofimpactsisonPrice–hugepricepressure(pricekeepsgettinglower)FromTechnicalLevel:LegislationchangeinEuropeforreducingCO2emissionsManynewcomerscomingintothemarketFromMarketLevel:aCAGRof2%till2012inrevenuecorrespondingtoanincreaseof12%involume.PowerConsumption7to10yearoperationallifetimeforadirectTPMmoduleEachcomponentmusthaveaverylow-currentstandbyoridlemodeEfficientmeasurementandtransmissionhardwareControlalgorithmshouldlimitmeasurementsandtransmissionstoasinfrequentlyaspossibleSizeandWeightAheavy,bulkybatteryissimplynotanoptionUsuallytheentiremodule(includingtheelectronics,PCB,housing,andmountinghardware)needstobebelow30to40gramstoavoidanout-of-balancetireEnvironment

InsidethetireisaveryharshenvironmentonelectronicproductsandsiliconpressuresensorsexposedtoairTemperaturerangingfrom-40to+125°CMoistureTiremountinggreaseOtherpotentiallycorrosivematerials.Mediaprotectionandthermalcharacteristicsarevitaltoaproduct’ssurvival.Carefulpackagedesignisnecessarytoallowabroadtemperaturerangeandrobustmediacompatibility.CostSmaller,morehighlyintegratedcomponentstoreduceboardspacecanpresentsignificantsavingsIntegratingthefunctionalityoftheTPMSandtheremotekeylessentry(RKE)receivercanhelptoreducetheoverallsystemcostDesignChallengesTPMS-TirePressureMonitoringSystemsMarketPublishedbyYoleDevelopment,October2007￡2423.46(about￥37,000RMB)AvailableMarket/TechnicalInformationChinaTPMSIndustryReport,2005-2006PublishedbyResearchandMarkets,February2006EUR€1,151.00(HardCopy)EUR€1,239.00(Electronic)ThankYou!Thistechnologyco