Allegro-霍尔电流传感器资料-课件

FormationElectricfil18.05.2004AllegroHallEffectCurrentSensorsHigh-PerformancePowerICsandHall-EffectSensors1PPT课件Core-lessSOICPackageswith1mWResistanceIntegratedCoreACSPackagewith100mWResistanceInnovativeIntegratedOpenLoopPackaging

withLowSeriesResistanceAllegroproprietaryintegratedpackagesprovideseveraladvantagesoverclassicHalleffectcurrentsensor,currenttransformerandsenseresistorop-ampsolutions.Sensing<50ASensing50Ato200A1mmthin“KT”packageforusingaferromagneticcoreinthroughholeconfigurationsSensing>200A2PPT课件HallEffectCurrentSensorBasicsVH=HallresultantvoltageI=biasingcurrentB=fluxdensityd=platethicknesse=electronchargen=chargecarrierdensityVH=-I

B/d

n

eHallPlateConductorHallsensingtechnologyworksdowntoDCfrequencyCT’snotcapableofsensingDCcurrent3PPT课件InnovativeAllegroCurrentSensorPackagingSensing<50AmpsStrongMagneticCouplingHallelementisincloseproximitytoprimaryconductorProvidesimprovedsignalandsignaltonoiseratioforimprovedresolutionincurrentmeasurementoverclassicHallsensingsolutions.Providesamoreaccurateopenloopsensor4PPT课件InnovativeAllegroCurrentSensorPackagingSensing<50AmpsElectricalGalvanicIsolationAllAllegroflip-chipsurfacemountpackagesprovidesomelevelofgalvanicisolationProvideshigh-sidesensingwithouttheneedforlargecurrenttransformersinline-poweredapplicationsAllowshigh-sidesensingwithouttheneedforexpensivehighcommon-modeop-ampsinapplicationsthatemploysenseresistorop-ampsolutionsabove12-24V5PPT课件InnovativeAllegroCurrentSensorPackagingSensing<50AmpsLowResistanceFullyIntegratedConductorSignificantpowersavingscomparedtosenseresistorandop-ampsolutions.SinglechipsolutionsconsumeminimalPCBareaandclearanceforcompactdesignsoverCT’sandsenseresistorop-ampconfigurations.HallEffectSensingAdvantageinPackageHallsensorsprovideimmunitytotheerrorassociatedwithchangingsenseresistancevaluesovertemperatureThemagneticsignalisafunctionofthemagnitudeofthecurrentflowingandnotafunctionoftheconductorresistance.6PPT课件BigThermalPerformanceinSmallPackagesCapableof40Acontinuouscurrentat85°CambienttemperatureOvercurrentcapableto200Ampsforupto20ms(singleeventpulse)1.0mΩconductorresistanceSOIC8,QSOP24,andSOIC16packageshavesimilarperformanceduetotheirnearlyequivalentconductorresistance.ACS709QSOP24PackageQSOP24PackageThermalPerformanceCapableof200Acontinuouscurrentat85°CambienttemperatureOvercurrentcapableto1200Ampsforupto10ms(passed>10pulses)Thermalperformanceisexcellentduetothe100mΩconductorresistanceHighCurrentCBPackageThermalPerformanceACS758CBPackage7PPT课件BiCMOSProcess:LowNoiseOutputsandFasterResponseTimeLownoiseoutputsprovidehighresolutionsensingofloadcurrentsLowestnoisespectraldensityofanyHallsensoronthemarkettodayResolutionError:<0.5%offullscalecurrentfor120kHzbandwidthResponsetimeof4uSforshortcircuitdetectionandIGBTprotectionACS7588PPT课件2100VRMSIsolation:UL/TUV60950-1certifiedHighsensitivityrange:66–185mV/AFilterPinBi-directionalandUni-directionalversionsTypicalerror:+/-5%overtemperatureAutomotivegradesmallSOIC8packageACS712/3/4/15FeaturesandBenefitsDeviceVccPackageCurrentRangeSensitivityat5VLinear

RangeBiorUniDirectionalBandwidthAuto/Non-AutoFault

OutputMajorapplicationsACS712

ACS7145VSOIC8+/-5A185mV/A+/-11ABi-directional80KHz712Non-Auto

714AutoNoUPS+/-20A100mV/A+/-20APowerSupplies+/-30A66mV/A+/-30AMotorInvertorsACS713

ACS7155VSOIC820A185mV/A20AUni-directional80KHz713Non-Auto

715AutoNoEPB/VVTMotors30A133mV/A30AHVACFan9PPT课件AllegroConfidentialInformationACS710FeaturesandBenefits3000VRMSgalvanicisolation:UL1577CertifiedOvercurrentFaultPin:Levelsetbyexternalresisterdivider

Faultsignalresponsetime<2μsforshortcircuitprotectionFaultlatchdelaycontrolledbyexternalRandC

±2%typicalerrorover0°Cto125°Crange

3.0Vto5.5V,singlesupplyoperation DeviceVccPackageCurrentRangeSensitivityat5VLinear

RangeBiorUniDirectionalBandwidthAuto/Non-AutoFault

OutputMajorapplicationsACS7103.3-5VSOIC16+/-6A*100mV/A+/-13ABi-directional

(UniAvailable)120KHzNon-AutoYesUPS+/-12A56mV/A+/-37.5APowerSupplyInvertors+/-25A28mV/A+/-75ASolarInvertors*+/-6AmpCurrentRangeSensitivityisat3.3V10PPT课件AllegroConfidentialInformationACS709FeaturesandBenefits2100VRMSgalvanicisolation:UL1577CertifiedOvercurrentFaultPinSameasACS710 ±3%typicalerrorover-40°Cto150°Crange

3.0Vto5.5V,singlesupplyoperationAutomotivegradesmallfootprintQSOP24packageDeviceVccPackageCurrentRangeSensitivityat5VLinear

RangeBiorUniDirectionalBandwidthAuto/Non-AutoFault

OutputMajorapplicationsACS7095VQSOP24+/-20A56mV/A+/-37.5ABi-directional

(UniAvailable)120KHzAutoYesEPS+/-35A28mV/A+/-75AEHPS/EPB11PPT课件ACS711FeaturesandBenefitsLowSideSensorfor<100VapplicationsOvercurrentFaultOutputat100%offullscalecurrent±4%typicalerrorover-40°Cto125°Crange

100KHzbandwidth3.0Vto5.5V,singlesupplyoperationAutomotivegradeSOIC8packageDeviceVccPackageCurrentRangeSensitivityat3.3VLinear

RangeBiorUniDirectionalBandwidthAuto/Non-AutoFault

OutputMajorapplicationsACS7113.3VSOIC8QFN+/-12A110mV/A+/-12ABi-directional

(UniAvailable)100KHzBoth

Autoto125COnlyYesCarandHomeAudioPowerWindowMotors+/-25A55mV/A+/-25A12PPT课件Sensing50Ato200AAllegro’s

ACS756/8FamilyofDevicesSmallphysicalsize(7mmnominalheight)100μOhmintegratedconductorforlowpowerloss3000VRMSgalvanicisolation3.0to5.5VsinglesupplyisolationAccuracy+/-4%from-40to150CtemprangeBi-directionalandUni-directionaloptionsavailableAutomotivegradeAllegroproprietarypackage13PPT课件AllegroConfidentialInformationSensing50Ato200AAllegro’s

ACS756/8FamilyofDevicesHighCurrentCBPackageThermalPerformance14PPT课件HighPowerApplications

Sensing>200ACurrentswithAllegroSensorsAllegro’shighbandwidthcurrentsensorSIP:theA136xfamily1mm“thin”packageforenhancedaccuracy15PPT课件Fastresponsetime&resolution120kHznominalbandwidth(-3dB)4ustypicalresponsetime(tPROP+tRISE)5.5mGp-p/(Hz)outputnoisedensityHighlyprogrammableviaEEPROMmemoryFinerresolutionsensitivity&offsettrim(18totalbits)Sensitivityrangeof0.7to14.5mV/G(<0.5%steps)Non-linearsensitivityandoffsettrimovertemperatureenablesanewlevelofoutputaccuracy30bitsforoffset30bitsforsensitivityAlltemperaturecoefficientsfactorytrimmedatAllegro’sfacilityPolaritybitforredundantsystemsRatiometricforusein5VregulatedsystemsIDDQandSCANprovidehighdigitalreliability7KVHBMESDperformanceTypicalError:+/-0.5%error,0to100CNextGenerationHighBandwidthCurrentSensorICA136316PPT课件PiecewiseLinearTemperatureCompensationTemperatureperformancewithintemperaturerangecanbelinearlycompensateboththezerogauss(Qvo)outputandthesensitivity(Gain)oftheA1363Targetaccuracyis<+/-3%overtempNextGenerationHighBandwidthCurrentSensorICA136317PPT课件NewTempCompensationTrimMethodologyImprovesAccuracyAllegroProprietaryandConfidentialInformationTotalErrorvs.Temp.ACS710+/-6%-40to125CCurrentUpto50AUpto200AAbove200A711QFN+/-6-8%-40to125CACS711+/-6-8%-40to125CACS763/4+/-30to60CACS712+/-6%-40to150CACS722+/-4%-40to150CACS726+/-4%-40to150CACS758+/-6%-40to150CACS770+/-4%+/-2%A1360/1/2+/-6-8%dependingonCAS-40to150CA1363+/-4%+/-2%+/-8%+/-6%+/-4%+/-2%WithColdTestingWithColdTestingNewTCTrimRaisesAccuracyAcrosstheEntirePortfolio-40to150C<10AACS709+/-6%-40to150C18PPT课件ACS722:SOIC83.3VSensorwithEnhancedAccuracyfor<10AmpSensingProductFeatures:Provides3.3VoperationSOIC8packagedofferingforusewith3.3Vmicros.PiecewiselinearTCfor<3%error-20to150degreesC.+/-5AandUni-directional10Acurrentoutputsforuseinlowercurrentapplicationssuchasappliances.EnhancesAllegro’slowcurrentportfolio.Highercurrentswillbepossibleifneededupto50AConductorresistanceof0.75mOhmincreasesthermalcapabilityduringover-currenttransientevents,andreducespowerloss.Creepageincreasedto4mmfrom2mmBandwidthselectionpinfor80KHzor20Khz.PintoVccconnectionfor80KHzandGNDconnectionfor20KHz.Provideseasyoptionforreducingnoiseinlowerbandwidthsystems.UL1577certificationwillprovidesingleprotectionwithsame2100VRMSisolationasexistingACS712package,butwithhigherworkingvoltage.WillnotbeUL60950-1edition2qualified.Noreinforcedisolationvalue.Programkickedoff,noofficialschedule.EstimatedfirstsamplesMarch/April2012.RTM:Sept/Oct2012.19PPT课件ACS726DifferentialOutputCurrentSensorICFeaturesandBenefits:FullyDifferentialArchitectureExternallyadjustablegainandbandwidthusingsimpleRCnetworks.PatentedintegrateddigitaltemperaturecompensationcircuitryforQvoandSens.Smallfootprint,lowprofileQSOP24packagesuitableforspace-constrainedapplications3.3VsinglesupplyoperationFactory-trimmedsensitivityandquiescentoutputvoltageforimprovedaccuracy20PPT课件ACS770NextGenerationCBPackagewithHighAccuracyProductFeatures:Higheraccuracyfrompiecewiselineartemperaturecompensationwilldrasticallyimproveaccuracyovertemperature.Coldtestingwillbeavoidedthroughcharacterizationandblindadjustmentof-40Cboundary.IfnecessaryaKCcoldtestcouldbeimplementedfordemandingapplicationswithsignificantpriceadder.Devicetargetaccuracy<+/-3%inproductionincludingallerrors.Typicalerrorof+/-0.5%overtemperatureVcccapableto5VbasedonA1363UL60950-1Edition2compliantto450VRMSreinforcedworkingvoltageand700VRMSbasicworkingvoltage.(ByJan2012–ACS758willhavethesamerating!!!)CanSurvive4800VRMSfor60Sec.Ratedto3000VRMS21PPT课件ACS710andACS758for3.3VSystemsACS710ACS716TheACS710partnumbers:ACS710KLATR-12CB-Tand-25CB-Twillhave3.3VprogrammedandtestedequivalentpartscalledtheACS716KLATR-12CB-Tand-25CB-T.TheACS710KLATR-6BB-Tdeviceisalreadyratedat3.3V.IwouldliketoconvertthattotheACS716ifpossible.Inputs?CreatingCASandOracleItemsnowandwillmakeadatasheetandreleasetomarketassoonaspossible.EstimatedcompletionNov/Dec.2011.ACS758ACS759TheACS759isthe3.3VprogrammedACS758.AllCAS’sandOracleItemsexistfortheACS759PFF50-200Aoptionsofthedevice.TheACS7583.3Vactivityisextensivebecauseofthecharacterizationandnumberofpartstoconvert.ThiswillbeanofficialkickoffprojectwithexpectedRTMofNov/Dec2011ByyearendtheisolationwillbecompatiblewithUL60950-1Ed.2tothefollowingvoltageratings.CanSurvive4800VRMSfor60Sec.Ratedto3000VRMS22PPT课件2.Trend:

Acceptanceinsmall&largeappliances,industrialmotors,lightingsystems,andpowers