Allegro霍尔电流传感器资料.ppt

FormationElectricfil18.05.2004,AllegroHallEffectCurrentSensors,High-PerformancePowerICsandHall-EffectSensors,Core-lessSOICPackageswith1mWResistance,IntegratedCoreACSPackagewith100mWResistance,InnovativeIntegratedOpenLoopPackagingwithLowSeriesResistance,AllegroproprietaryintegratedpackagesprovideseveraladvantagesoverclassicHalleffectcurrentsensor,currenttransformerandsenseresistorop-ampsolutions.,Sensing200A,HallEffectCurrentSensorBasics,VH=HallresultantvoltageI=biasingcurrentB=fluxdensityd=platethicknesse=electronchargen=chargecarrierdensity,VH=-IB/dne,HallPlate,Conductor,HallsensingtechnologyworksdowntoDCfrequencyCTsnotcapableofsensingDCcurrent,InnovativeAllegroCurrentSensorPackagingSensing50Amps,StrongMagneticCouplingHallelementisincloseproximitytoprimaryconductorProvidesimprovedsignalandsignaltonoiseratioforimprovedresolutionincurrentmeasurementoverclassicHallsensingsolutions.Providesamoreaccurateopenloopsensor,InnovativeAllegroCurrentSensorPackagingSensing50Amps,ElectricalGalvanicIsolationAllAllegroflip-chipsurfacemountpackagesprovidesomelevelofgalvanicisolationProvideshigh-sidesensingwithouttheneedforlargecurrenttransformersinline-poweredapplicationsAllowshigh-sidesensingwithouttheneedforexpensivehighcommon-modeop-ampsinapplicationsthatemploysenseresistorop-ampsolutionsabove12-24V,InnovativeAllegroCurrentSensorPackagingSensing10pulses)Thermalperformanceisexcellentduetothe100mconductorresistance,HighCurrentCBPackageThermalPerformance,ACS758CBPackage,BiCMOSProcess:LowNoiseOutputsandFasterResponseTime,LownoiseoutputsprovidehighresolutionsensingofloadcurrentsLowestnoisespectraldensityofanyHallsensoronthemarkettodayResolutionError:0.5%offullscalecurrentfor120kHzbandwidth,Responsetimeof4uSforshortcircuitdetectionandIGBTprotection,ACS758,2100VRMSIsolation:UL/TUV60950-1certifiedHighsensitivityrange:66185mV/AFilterPinBi-directionalandUni-directionalversionsTypicalerror:+/-5%overtemperatureAutomotivegradesmallSOIC8package,ACS712/3/4/15FeaturesandBenefits,AllegroConfidentialInformation,ACS710FeaturesandBenefits,3000VRMSgalvanicisolation:UL1577CertifiedOvercurrentFaultPin:LevelsetbyexternalresisterdividerFaultsignalresponsetime2sforshortcircuitprotectionFaultlatchdelaycontrolledbyexternalRandC2%typicalerrorover0Cto125Crange3.0Vto5.5V,singlesupplyoperation,*+/-6AmpCurrentRangeSensitivityisat3.3V,AllegroConfidentialInformation,ACS709FeaturesandBenefits,2100VRMSgalvanicisolation:UL1577CertifiedOvercurrentFaultPinSameasACS7103%typicalerrorover-40Cto150Crange3.0Vto5.5V,singlesupplyoperationAutomotivegradesmallfootprintQSOP24package,ACS711FeaturesandBenefits,LowSideSensorfor200ACurrentswithAllegroSensors,AllegroshighbandwidthcurrentsensorSIP:theA136xfamily,1mm“thin”packageforenhancedaccuracy,Fastresponsetime&resolution120kHznominalbandwidth(-3dB)4ustypicalresponsetime(tPROP+tRISE)5.5mGp-p/(Hz)outputnoisedensityHighlyprogrammableviaEEPROMmemoryFinerresolutionsensitivity&offsettrim(18totalbits)Sensitivityrangeof0.7to14.5mV/G(0.5%steps)Non-linearsensitivityandoffsettrimovertemperatureenablesanewlevelofoutputaccuracy30bitsforoffset30bitsforsensitivityAlltemperaturecoefficientsfactorytrimmedatAllegrosfacilityPolaritybitforredundantsystemsRatiometricforusein5VregulatedsystemsIDDQandSCANprovidehighdigitalreliability7KVHBMESDperformanceTypicalError:+/-0.5%error,0to100C,NextGenerationHighBandwidthCurrentSensorICA1363,PiecewiseLinearTemperatureCompensationTemperatureperformancewithintemperaturerangecanbelinearlycompensateboththezerogauss(Qvo)outputandthesensitivity(Gain)oftheA1363Targetaccuracyis+/-3%overtemp,NextGenerationHighBandwidthCurrentSensorICA1363,NewTempCompensationTrimMethodologyImprovesAccuracy,AllegroProprietaryandConfidentialInformation,TotalErrorvs.Temp.,ACS710+/-6%-40to125C,711QFN+/-6-8%-40to125C,ACS711+/-6-8%-40to125C,ACS763/4+/-30to60C,ACS712+/-6%-40to150C,ACS722+/-4%-40to150C,ACS726+/-4%-40to150C,ACS758+/-6%-40to150C,ACS770+/-4%+/-2%,A1360/1/2+/-6-8%dependingonCAS-40to150C,A1363+/-4%+/-2%,+/-8%,+/-6%,+/-4%,+/-2%,WithColdTesting,WithColdTesting,NewTCTrimRaisesAccuracyAcrosstheEntirePortfolio,-40to150C,10A,ACS709+/-6%-40to150C,ACS722:SOIC83.3VSensorwithEnhancedAccuracyfor10AmpSensing,ProductFeatures:Provides3.3VoperationSOIC8packagedofferingforusewith3.3Vmicros.PiecewiselinearTCfor3%error-20to150degreesC.+/-5AandUni-directional10Acurrentoutputsforuseinlowercurrentapplicationssuchasappliances.EnhancesAllegroslowcurrentportfolio.Highercurrentswillbepossibleifneededupto50AConductorresistanceof0.75mOhmincreasesthermalcapabilityduringover-currenttransientevents,andreducespowerloss.Creepageincreasedto4mmfrom2mmBandwidthselectionpinfor80KHzor20Khz.PintoVccconnectionfor80KHzandGNDconnectionfor20KHz.Provideseasyoptionforreducingnoiseinlowerbandwidthsystems.UL1577certificationwillprovidesingleprotectionwithsame2100VRMSisolationasexistingACS712package,butwithhigherworkingvoltage.WillnotbeUL60950-1edition2qualified.Noreinforcedisolationvalue.Programkickedoff,noofficialschedule.EstimatedfirstsamplesMarch/April2012.RTM:Sept/Oct2012.,ACS726DifferentialOutputCurrentSensorIC,FeaturesandBenefits:FullyDifferentialArchitectureExternallyadjustablegainandbandwidthusingsimpleRCnetworks.PatentedintegrateddigitaltemperaturecompensationcircuitryforQvoandSens.Smallfootprint,lowprofileQSOP24packagesuitableforspace-constrainedapplications3.3VsinglesupplyoperationFactory-trimmedsensitivityandquiescentoutputvoltageforimprovedaccuracy,ACS770NextGenerationCBPackagewithHighAccuracy,ProductFeatures:Higheraccuracyfrompiecewiselineartemperaturecompensationwilldrasticallyimproveaccuracyovertemperature.Coldtestingwillbeavoidedthroughcharacterizationandblindadjustmentof-40Cboundary.IfnecessaryaKCcoldtestcouldbeimplementedfordemandingapplicationswithsignificantpriceadder.Devicetargetaccuracy+/-3%inproductionincludingallerrors.Typicalerrorof+/-0.5%overtemperatureVcccapableto5VbasedonA1363UL60950-1Edition2compliantto450VRMSreinforcedworkingvoltageand700VRMSbasicworkingvoltage.(ByJan2012ACS758willhavethesamerating!),CanSurvive4800VRMSfor60Sec.Ratedto3000VRMS,ACS710andACS758for3.3VSystems,ACS710ACS716TheACS710partnumbers:ACS710KLATR-12CB-Tand-25CB-Twillhave3.3VprogrammedandtestedequivalentpartscalledtheACS716KLATR-12CB-Tand-25CB-T.TheACS710KLATR-6BB-Tdeviceisalreadyratedat3.3V.IwouldliketoconvertthattotheACS716ifpossible.Inputs?CreatingCASandOracleItemsnowandwillmakeadatasheetandreleasetomarketassoonaspossible.EstimatedcompletionNov/Dec.2011.ACS758ACS759TheACS759isthe3.3VprogrammedACS758.AllCASsandOracleItemsexistfortheACS759PFF50-200Aoptionsofthedevice.TheACS7583.3Vactivityisextensivebecauseofthecharacterizationandnumberofpartstoconvert.ThiswillbeanofficialkickoffprojectwithexpectedRTMofNov/Dec2011ByyearendtheisolationwillbecompatiblewithUL60950-1Ed.2tothefollowingvoltageratings.,CanSurvive4800VRMSfor60Sec.Ratedto3000VRMS,2.Trend:Acceptanceinsmall&largeappliances,industrialmotors,lightingsystems,andpowersupplies,3.Trend:Increaseddemandforpowermonitoringinserverrooms,4.Trend:EnergyefficiencydemandscreatedemandinUPS,smartmetering,applianceandpowersupplyapplications,1234567,5.Trend:Increaseddemandforlowerpowermotorcontr