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11 2Mechanical 11ESDhandling 1011ESDhandling 10Noticefor 9Supplier's 8NMEAoutput 7Reference 6ReferencePCB 5Pin 3Electrical Thisdocumentspecifiestheelectrical,mechanicalandbehavioralcharacteristicsofJRCGPSModule—G591.TheG591isaGPSreceivermodulewhichprovidingthebestsolutionwiththehighestsensitivityandtrackingperformanceintheworldandalsowiththehighestpositionandspeedaccuracyinurbanconditions.TheG591GPSmoduleusestheGPSsolutionwithchipsetsdesignedbyJRC.TheG591GPSmodulecansupportsupto210PRNchannels,with66searchchannelsand22simutaneoustrackingchannels.ItsupportssignalprocessionofL1bandsignalssuchasGPSC/AandSBAS(includingWAAS,EGNOSMSAS).WiththeflexiblesoftwareAPIandlibrary,customercanrealizebothautonomousnavigationsolutionandassistedGPSnavigationsolutiontoobtainfastTTFFandaccuratenavigationperformanceeveninharshurbancanyonorweakindoorsignalTheG591GPSmoduleisthebestchoiceforyoutodesignforGPSrelatedAsfollowingdiagramistheG591GPSModuleFigure1ModuleMechanicalTheG591GPSmodulehas36pinsonPCBboard.AshieldcaseismadeofmetallicmaterialforsuppressiveRFradiation.Figure2isthe3Ddiagramofit3TablePleaserefertotheMechanicalDimensionsfortheElectricalPowersupplyVBackuppowerVHighlevelinputGPIOanddataVlowlevelinputGPIOanddataVOperating℃Storage℃PowerVPower0VThereasonablepowersupplyripplewouldbeunderBackup23VPower————Typical1575.42MHZ,C/Asupportsupto210PRNchannels,with66channelsand trackingDataoutputbaudDataOutputPositionWithoutAid:3.0m(2D-DGPS:VelocityWithoutAid:DGPS:WithoutAid:DGPS:Maximum18000Maximum515Maximum4TimeToFirstHot＜1.5Warm＜34Cold＜35s＜1PinFigurePinPin1IActiveantennasignalinput.1575.42MHZ,2G3G4G5IBackuppowerinput.thetypevoltageis6G7IuserhastokeepNCfornormal8G9GGIThemainpowerinput.thetype GIModulereset,activeNote:userhastokeepNCfornormalGGReserveforGuserhastokeepNCfornormalGO1PulsePerGGGGReserveforGIuserhastokeepNCfornormalGGOSerialoutputforUARTUARTAisasNMEAoutputandJRCcommandISerialinputforUARTUARTAisasNMEAoutputandJRCcommandISerialinputforUARTB.onlyforGOSerialoutputforUARTB.onlyforGGReferencePCBFigureUndertheG591GPSModuleshouldbeagroundwithgreensoldermaskonthePCB,otherwisewillaffectthefunctionofthemodule.ReferenceFigureTheFigure5isthereferencedesignforourcustomer.WehavedesignedtheandBackuppowercircuitonlyforreference.EachpowerinputshouldhaveEMIcapacitor.Werecommendedthevalueis2.2uFor4.7uF.InordertoobtainthebestestGPSperformance,pleaseUsematchingantennawiththeUsetheproperlytestmethodIfyouhaveanyproblems,pleasecontactwithourFAEassoonas理，如果还有其他的问题，请及时跟我们的FAE联系。 1 L1 1 1 1 planartypediode1 1 Junction1 1GPS1NMEAoutputThetable2liststheeachoftheNMEAoutputsentencespecificallydevelopedanddefinedbyJRCforuserswithinJRCGPSmodule.GlobalPositionSystemFixData.Time.PositionandfixrelateddataforGPSGNSSDOPandActiveGNSSSatellitesinRecommendedMinimumNavigationCourseandspeedinformationrelativetothe

TableTheGGAcontainsfollowinginformationexampleMessageGGAprotocolUTCN/SNN=northorE/WWE=eastorPositionFix12:DifferentialGPSSatellites7Range0to1HorizontalDilutionofMSL9 mean-sae-levelMUnitsofantennaGeoidalMUnitsofgeoidalAgeofDiff.NullfieldswhenDGPSisnot<CR>EndofmessageTheGSAcontainsfollowinginformationexampleMessageGSAprotocolModeAM:Manual—forcedtooperatein2Dor3DA:2DAutomatic—allowedtoAutomaticallyswitch2D/3DMode31:Fixnot SatelliteSVonChannelSatelliteSVonChannelSatelliteSVonChannelPositionDilutionofHorizontalDilutionofVerticalDilutionof<CR>EndofmessageTheGSVcontainsfollowinginformationexampleMessageGSVprotocol 3Range1to3 (Dependingonthe messagesofGSVdatamaybe1Range1to 9SatelliteChannel1(Range1toChannel1(MaximumChannel1(True,Range0toSNRRange0toSatelliteChannel4(Range1toChannel4(MaximumChannel4(True,Range0toSNRRange0to99,(nullwhennot<CR>EndofmessageTheRMCcontainsfollowinginformationexample$GPRMC,064951.000,A,2307.125647,N,12016.443856,E,0.036,165.48,260406,,A,*Message protocolUTCAA=datavalidorV=datanotN/SNN=northorE/WEE=eastorSpeedOverCourseOverMagneticE=eastorAD=DifferentialmodeE=Estimatedmode<CR>EndofmessageTheVTGcontainsfollowinginformationexample$GPVTG,165.48,T,Message MeasuredTMeasuredMMeasuredhorizontalNMeasuredhorizontalkKilometersperD=DifferentialmodeE=Estimatedmode<CR>EndofmessageSupplier'sLifeTheG591hasMTBF>100000hrswithatleast90%confidence.ApredictionoflifeexpectancywillbemadebyJRC.Theresultwillbediscussedwithcustomers.DesignFMEAoftheG591atthepartlevelwillbemadeanddocumentedbyJRC.DesignFMEAwillincludethefunctionofthecomponent,failuremode,failurecause,frequencyoffailureoccurrence,andseverityoffailure.Todetectcriticalprocessrisks,processFMEAwillbemadeanddocumentedbyJRC.ProcessFMEAwillincludethefunctionofthecomponent,processstage,failuremode,failurecause,frequencyoffailureoccurrence,severityoffailure,andtheabilityoffailuredetection.NoticeforDonotuseovermaximumratingbecauseifuseovermaximumratingitisdoubtbecomethefault.MaximumMaximumItisregulatedmaximumvoltagewhichcompensateinputvoltagebetweeninputterminalandGND.Onceoverthemaximumvoltageisinputted,itisbecomethereasonofInputInputItisregulatedmaximumvoltagetoinputterminal.Onceoverthemaximumvoltageisinputted,itisbecomethereasonoffaulty.OperatingOperatingItisthetemperaturerangwhichcanhaveaguaranteeforoperatingcorestly.OnceoverthetemperaturerangitisbecomethereasonoffaultyoritisdoubtthatcannothavethesatisfyofthefunctionofGPS.StorageStorageItisthetemperaturerangewhichunitisstrongincasestoragetemperatureisoverthistemperaturerang,itisbecomethereasonoffaultyoritcannothaveasatisfyofthefunction.CautionforIncasehandlewiththisunit,becarefulagainstastaticelectricity.Itisnotthatunitwillbedamagedbyastaticelectricity.Specially,handlewithI/Oconnector,becarefulagainstastaticelectricity.DonottouchtheI/Oconnectordirtywithhand.Pleasemountwithintwoweeksafteropeningtheprevention-of-moisturepacking.Aftertheprevention-of-moisturepackingisopened,itneedbekeptindryatmosphere.NoticeforDonotstoragetheplacewherecorrosiongaswillbegeneratedorexistmanydusts.Donotstoragetheplacewheretemperaturerangwillbechangewidelybecausethedewdropwillbeformedtherefore.Donotthrow,donotdrop,otherwiseunititselfwillbedamaged.Protectfromwater,whentransportintherain/snow,protectfromthem.TheG591dosenothaveafuseforovercurrentPleaseputafuseforovercurrentprotectinyoursystembecausethepreventionofdanger.ESDhandlingWhenthereisagalvaniccouplingwithmodule,DonotWhenthereisagalvaniccouplingwithmodule,DonotignorethemoduleGNDconnecttothelocalGNDTheRFpinofthemoduleissensitivetoESD.whenhandlingthemodulebecarefuloftheESD,TopreventelectrostaticdischargethroughtheRFinputdonottouchthemountedpatchWhensolderingRFconnectorsandpatchantennastothereceiver’sRFpin,makesuretouseanESDsafesolderingironFailuretoobservetheseprecautionscanresultinseveredamagetotheGPSreceiver! Recomme