TSC0502G最新Word档.docx

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1、TOYOTAENGINEERINGSTANDARDNO.:TSC0502GTIT1E:Benchtestmethodsfore1ectrica1noiseresistanceofautomotivee1ectricande1ectronicdevicesC1ASS:C1EstabIishediZRevised:Rev.3(May.2023)Thisstandardhasbeenrevisedasaresu1tofthefo11owingchanges:(1) thecontentsastopowersupp1ycircuitpositivesurgetesthavebeenchangedSec

2、tion6.2.3(3);(2) testmethodforpowersupp1ycircuitpositivesurgetesthasbeenreviewedSection6.2.3(5);and(3) ignitionpu1setesthasbeenabo1ished.PreparedandWrittenbyE1ectronicPerformanceDeve1opmentStEngineeringDept.E1ectronicsContro1SystemDeve1opmentDiv.DesignQua1ityInnovationDept.TOYOTAMOTORCORPORATIONBenc

3、htestmethodsfore1ectrica1noiseresistanceofautomotivee1ectricande1ectronicdevices1. ScopeThisstandardcoversthebenchtestmethodsforthee1ectrica1noiseresistanceofe1ectricande1ectronicdevicesusedinautomobi1es.Inthecasewhereanindividua1productstandardexists,thetestssha11benductedwhi1egivingprioritytotheit

4、emsSpecifiedinthere1evantproductstandard.2. DefinitionsThemeaningsofthemaintermsusedinthisstandardsha11beasspecifiedbe1ow.(I)Automotivee1ectricande1ectronicdevicesAutomotivee1ectricande1ectronicdevices(hereinafterreferredtoasdevices*)refertothedevicesthatmain1yusesemiconductore1ementstocontro1system

5、s,anda1sotothevariousdetectiondevices(sensors)andoutputdevices(actuators)thatareusedinnjunctionwiththem.(2) Servicevo1tagerangeTheservicevo1tagerangeisthepower-supp1yvo1tagerangeinwhichthedevicesareab1etooperatenorma11y(withintherangeofthedesignperformanceto1erances).Un1essotherwisespecified,therang

6、esha11bebetween10and16Vfor12V-typevehic1edevicesandbetween20and32Vfor24V-typevehic1edevices(3) CharacteristicsCharacteristicsrefertothenumerica1va1uesorcorre1ationsofagivendevicethatcanbemeasuredorjudgedquantitative1yorqua1itative1yunderaspecifiedcondition.(4) StandardstateThestandardstateistheenvir

7、onmentofagenera1testingsiteandun1essotherwisespecifieditsha11bethenorma1temperature(5to35),norma1humidity(25to75%RH),andnorma1atmosphericpressure(86to106kPa).(5) Testsamp1eThetestsamp1ereferstothedevicesthatarebeingsubjectedtothetests.(6) Initia1measurementTheinitia1measurementreferstothemeasurement

8、sthatareperformedbeforestartingthetest.(7) Fina1measurementThefina1measurementreferstothemeasurementsthatareperformedafterthecomp1etionofthetest(8) A1ternatorwithZenerdiodeAna1ternatorwithZenerdiodeisana1ternatorequippedwithaZenerdiodeinp1aceofarectifierdiodeforthepurposeofreducingthecostbye1iminati

9、ngorminimizingthesizeofthesurgeabsorptione1ementthatisinsertedintothepowersupp1ycircuitoftheECU.Inthistypeofa1ternator,thepositivepo1e(cathode)surgevo1tageissuppressedto35Vor1esswhenthebatterybecomesdisconnected.(9) High-vo1tagenoiseThisreferstothee1ectromagneticnoisethatisproducedduetohighvo1tage(3

10、6Vorhigher)andcurrentswitching.(10) Powersupp1ysystemtermina1sThisreferstothetermina1sthatareconnectedto+B,BATT,IG,orACC.(11)11oadsystemtermina1sThisreferstothetermina1sthataredirect1yconnectedtotheinductance1oad(hereinafterreferredtoas,11oad)ofthemotorandso1enoid,etc.Thereare2typesoftermina1s,inc1u

11、dingdriving(output)termina1andoperationstatemonitor(input)termina1.3. TestItemsTab1e1showsthetestitemsthatarespecifiedinthisstandard.Tab1e1TestItemsItemsDetai1sSectionnumber6.1Steady-statesystemPowersupp1yvo1tagecharacteristicsfest6.1.1Overvo1tagetest6.1.2Reversedpo1aritytest6.1.36.2Directapp1icatio

12、noftransientphenomenaPowersupp1ycircuitnegativesurgetest6.2.111oadconnectingcircuitsurgetest6.2.2Powersupp1ycircuitpositivesurgetest6.2.36.3InductivesystemandothersNnductionnoiseresistancetest6.3.1F1oatinggroundtest6.3.2High-vo1tagenoisetest6.3.34. CommonItems4.1 TestEnvironmentUn1essotherwisespecif

13、ied,thestandardtestingenvironmentsha11bethenorma1temperature,norma1humidity,andthenorma1atmosphericpressure.Remark:Inthecasewheretheenvironmenta1conditionsdescribedaboveareexceededorwhenthereisconcernthatthecharacteristicsofthee1ementsorcomponentpartswi11changewhenthedevicesaremountedonanactua1vehic

14、1e,itispermissib1etosetotherspecifictestconditionsinadditiontothestandardstate.4.2 CompositionofTestSamp1eItispermissib1etoconsidertheECUandthesensorsmountedonthevehic1eatthesametimeandwithinthesamefuseasasing1etestsamp1eiftheyareconnectedbyawiringharnessthathasthesametypesofwire,1engthsofwire,andwi

15、rediametersasthewiringharnessmountedontheactua1vehic1e.4.3 Acceptab1eTo1eranceUn1essotherwisespecified,thissha11be10%.5. ItemstobeCarriedOutBeforeandAfterTestsThewiringforthepowersupp1ysystems,signa1systems,11oadconnectingsystems,andgroundsystemsofeachtermina1sha11bespecifiedusingthepowersupp1ywirin

16、gdiagramorconcepti11ustrationsofthecomponentpartsandthepresence/absenceoftheupstreamre1ays.Theinductanceva1ueandenergy(ca1cu1atedfromthesteady-statecurrentandtheinductanceva1ue)ofthe11oadsha11begrasped.Theitemsabovesha11bewrittenupinthetestp1anandagreedtobytheconcerneddepartments.6. TestMethods6.1 Steady-stateSystem6.1.1 Power