TrackerSoMDatasheet(006)
Functionaldescription
TheAssetTrackerSoMisaSystem-on-a-Module(SoM)with:
LTECat1(EMEAA)orLTECatM1(NorthAmerica)cellularmodem
GNSS(supportsGPS,SBAS,QZSS,GLONASS,BeiDou,andGalileo)withupto1.8maccuracyand
untethereddead-reckoning
SupportforCANbusand5VpowerforCANdevices
Built-inInertialMeasurementUnit(IMU)
Castellatedmodulecanbereflowsolderedtoyourbaseboard,andisavailableonanevaluation
boardorcarrierboard
OVERVIEW
GNSSu-bloxNeoM8UforGNSSwithon-boarddead-reckoningforupto1.8mCEP50GPS
accuracy
SupportsGPSL1C/A,SBASL1C/A,QZSSL1C/A,QZSSL1-SAIF,GLONASSL1OF,BeiDouB1I,
GalileoE1B/C
Supportforbattery-backupforalmanacandephemerisdata
QuectelBG96-MCmodem
LTECatM1moduleforNorthAmerica(UnitedStates,Canada,andMexico)
3GPPE-UTRARelease13
LTEFDDbandssupported:2,4,12,13
QuectelEG91-EXmodem
LTECat1moduleforEMEAAregion
3GPPE-UTRARelease13
Cat1bandssupported:1,3,7,8,20,28
SupportforEuropeonlyatthistime
NordicSemiconductornRF52840SoC
ARMCortex-M4F32-bitprocessor@64MHz
1MBflash,256KBRAMinSoC
Bluetooth5:2Mbps,1Mbps,500Kbps,125Kbps
SupportsDSPinstructions,HWacceleratedFloatingPointUnit(FPU)calculations
ARMTrustZoneCryptoCell-310Cryptographicandsecuritymodule
Upto+8dBmTXpower(downto-20dBmin4dBsteps)
NFC-Atag
Wi-Filocation:on-boardESP32offersSSIDscanningforusingthird-partyWi-Filocationservices
PMIC(PowerManagementIC)andFuelGauge
On-moduleadditional8MBSPIflash
CANBus:on-board,integratedCANBuscontrollerandtransceivermakingitidealforfleetand
micromobility
BoostConvertertopower5VCANdevicesfroma3.6Vbattery
RTC:Externalreal-timeclockwithsupportforanoptionalseparatebattery
WatchdogTimer:integratedhardwareWDT
10MixedsignalGPIO(8xAnalog,10xDigital,UART,I2C,SPI)
USB2.0fullspeed(12Mbps)
JTAG(SWD)pins
SupportforexternalRGBstatusLED
SupportforexternalResetandModebuttons
On-moduleMFF2ParticleSIM
Bluetoothchipantennaonmodule,switchabletouseU.FLconnectorinsoftware.
Fiveon-moduleU.FLconnectorsforcellular,GNSS,BLE,Wi-Fi,andalternativeGNSS.
Castellatedmoduledesignedtobereflowsolderedtoyourowncustombaseboard,orpre-
populatedonaParticleEvaluationBoardorCarrierBoard.
FCC,IC,andCEcertified
RoHScompliant(lead-free)
FEATURES
Interfaces
TheTrackerSoMcanbepoweredviatheVIN(3.88V-12VDC)pin,overUSB,oraLiPobattery.
VIN
TheinputvoltagerangeonVINpinis3.88VDCto12VDC.WhenpoweringfromtheVINpinalone,
makesurethatthepowersupplyisratedat10W(forexample5VDCat2Amp).Ifthepowersource
isunabletomeetthisrequirement,you'llneedconnecttheLiPobatteryaswell.Anadditionalbulk
capacitanceof470uFto1000uFshouldbeaddedtotheVINinputwhentheLiPoBatteryis
disconnected.Theamountofcapacitancerequiredwilldependontheabilityofthepowersupply
todeliverpeakcurrentstothecellularmodem.
LiPo
Thispinservestwopurposes.YoucanusethispintoconnectaLiPobattery(eitherdirectlyorusing
aJSTconnector),oritcanbeusedtoconnectanexternalDCpowersource(andthisiswhereone
needstotakeextraprecautions).WhenpoweringitfromanexternalregulatedDCsource,the
recommendedinputvoltagerangeonthispinisbetween3.6Vto4.4VDC.Makesurethatthe
supplycanhandlecurrentsofatleast3Amp.Thisisthemostefficientwayofpoweringthemodule
sincethePMICbypassestheregulatorandsuppliespowertothemoduleviaaninternalFET
leadingtolowerquiescentcurrent.
WhenpoweredfromaLiPobatteryalone,thepowermanagementICswitchesofftheinternal
regulatorandsuppliespowertothesystemdirectlyfromthebattery.Thisreducestheconduction
lossesandmaximizesbatteryruntime.ThebatteryprovidedwiththemoduleisaLithium-Ion
Polymerbatteryratedat3.7VDC1,800mAh.Youcansubstitutethisbatterywithanother3.7VLiPo
withhighercurrentrating.Remembertoneverexceedthisvoltageratingandalwayspayattention
BLOCKDIAGRAM
POWER
tothepolarityoftheconnector.ALiPobatterywithinternalprotectioncircuitsisrecommended.
Typicalcurrentconsumptionisaround180mAandupto1.8Atransientsat5VDC.Indeepsleep
mode,thequiescentcurrentis130uA[thisvaluemaychange](poweredfromthebatteryalone).
TheMAX17043fuelgaugeisonlycompatiblewithsinglecelllithium-ionbatteries.Thestate-of-
charge(SoC)valueswillnotbeaccuratewithotherbatterychemistries.
Abatterytemperaturesensorcanbeaddedifdesired.Connectanegativetemperaturecoefficient
thermistortotheTSpinandGND.ChargesuspendswhentheTSpinisoutofrange.A103AT-2
thermistorisrecommended.
VBUS
VBUSisconnectedtotheUSBdetectpinofnRF52840toenablestheUSBinterface.The
recommendedinputvoltagerangeisbetween4.35Vto5.5VDC.Itisalsoconnectedtothebq24195
PMICtoallowforDPDM,detectionofthepowercapacityoftheUSBport.
3V3Pin
Thispinistheoutputoftheon-board3.3Vswitchingregulatorthatpowersthemicrocontrollerand
theperipherals.Thispincanbeusedasa3.3Vpowersourcewithamaxloadof800mA.Unlikethe
Photon,thispinCANNOTbeusedasaninputtopowerthemodule.
RTC_BAT
Thisisthesupplytothereal-timeclockbatterybackup.1.4to3.6V.
Voltage TypicalCurrent MaximumCurrent Unit
3.0V 56 330 nA
1.8V 52 290 nA
IftheRTCbatteryisnotused,connectRTC_BATtoground.
GNSS_BAT
Thisisthesupplyformaintainingtheu-bloxGNSSephemerisandalmanacdatawhenremoving
power.ThiscanusethesamebatteryasRTC_BAT,canbeasuper-capacitor,orcanbeomitted.1.5
to3.6V.Typicalcurrentis15uA.
IfyouarenotpoweringGNSS_BATwithabatteryorsuper-capacitor,connectGNSS_BATto3V3.
Savingtheephemerisandalmanacdatacanimprovefix/locktime.
Itwon'tmakeadifferenceoncompletelycoldboot,whereisnopreviouslysaveddata.
ItdoesnotmakeadifferenceiftheGNSSisconstantlypoweredorisusingasoftwarepower
savemode.
PMID
ThispinistheoutputoftheinternalboostregulatorofthePMICthatcansource5.1VDCfromthe
batteryinOTG(OnTheGo)mode.Thisfeatureisusefulwhenyourcircuitryneedsa5Vsourcefrom
themodulewhenpoweredbythebatteryalone.
Theconfusingbitaboutthispinisthatitwillcontinuetoprovide5.1VDCbutonlywhentheinput
voltage(VIN)isbetween3.6Vto5.1VDC.Assoonastheinputvoltageexceedsthislimit,thePMID
startstrackingthatvoltage.ForexampleifVIN=9VDC,thePMIDwillbe9VDCand NOT5.1VDC.So
youneedtobecarefulwhenusingitasasourceforpoweringyourexternalcircuitry.Themax
currentdrawonthispinis2.1Abutisnotrecommendedduetothermallimitationsofthecircuit
board.
ThereareanumberofU.FLantennaconnectorsontheTrackerSoM:
Label Purpose
GNSS u-bloxGNSSantenna(GPS)
CELL Quectelcellularmodemantenna
WIFI Wi-FiantennaforWi-Figeolocation(optional)1
BLE ExternalBluetooth(optional)2
GNSS/DIV QuectelGNSSantenna(optional)1
DIV LTEcellularreceivediversityantenna3
1Notsupportedininitialrelease.
2ThereisaBLEchipantennaonthemodule,theexternalBLEantennaisoptional.
3DIVistheconnectorfortheLTEcellularreceivediversityantenna(T523only).Asecondcellular
antennacanbeconnectedtothisconnectortoimproveperformancewhenthedevicewillbe
movingathighspeeds.ItisonlyusedforLTECat1connectionsandisnotsupportedwhenin2Gor
3Gmode.Thisantennaisnotnecessaryinmostcasesandisnotincludedinevaluationkits.The
T402doesnothavethisconnectorasreceivediversityisnotsupportedinLTECatM1mode.
ThereisnoU.FLconnectorforNFC.IfyouwishtousetheNFCtagfeature,you'llneedtoaddan
antennaorantennaconnectoronyourbaseboard.
Theantennaplacementneedstofollowsomebasicrules,asanyantennaissensitivetoits
environment.Mounttheantennaatleast10mmfrommetalcomponentsorsurfaces,ideally
20mmforbestradiationefficiency,andtrytomaintainaminimumofthreedirectionsfreefrom
obstructionstobeabletooperateeffectively.
Needstuningwithactualproductenclosureandallcomponents.
FortheBLEantenna,itisrecommendedtousea2.4GHzsingle-frequencyantennaandnota
2.4GHz+5GHzantenna,soastoavoidlargegainatthefrequencytwiceof2.4GHzwhichcan
causethesecondharmonicradiationof2.4GHztoexceedstandards.
ANTENNAS
Thereare10exposedGPIOlineslabeledA0-A7,TX,andRX.Thesemulti-functionpinscanbe
configuredforuseasGPIOorotherinterfaceslikeSPIandI2C.
SharedPeripherals Qty Input(I)/Output(O)
Digital 10(max) I/O
Analog(ADC) 8(max) I
UART 1 I/O
SPI 1 I/O
I2C 1 I/O
PWM 10(max)1O
PeripheralType Qty Input(I)/Output(O)
USB 1 I/O
NFCTag 1 O
CANBus 1 I/O
1PWMisdividedintothreePWMgroups.Eachgroupmustsharethesamefrequency,butcanhave
differentperiods.
Note:AllGPIOareonlyratedat3.3VDCmax.CANbushasa highervoltagerating.
TheAssetTrackerSoMexposesthenRF52SWDinterfaceonthefollowingpins.TheEvaluation
Boardconnectsthesepinstothe2x5connectorusedontheArgonandBorontoeasilyconnectthe
ParticleDebugger.
# Pin Function ConnectedTo Description
22 SWDIO JTAG nRF52 nRF52MCUSWDIO
23 SWDCLK JTAG nRF52 nRF52MCUSWDCLK
24 SWO JTAG nRF52 nRF52MCUSWO
Thisinterfacecanbeusedtodebugyourcodeorreprogramyourbootloader,deviceOS,orthe
userfirmware.
PERIPHERALSANDGPIO
JTAG(SWD)
Memorymap
Bootloader(48KB,@0xF4000)
UserApplication(128KB,@0xD4000)
System(656KB,@0x30000)
SoftDevice(192KB)
OTA(1500KB,@0x00689000)
Reserved(420KB,@0x00620000)
FAC(128KB,@0x00600000)
Reserved(2MB@0x00400000)
LittleFS(4MB,@0x00000000)
NRF52840FLASHLAYOUTOVERVIEW
EXTERNALSPIFLASHLAYOUTOVERVIEW(DFUOFFSET:0X80000000)
Pinsandconnectors
Circularlabelsareasfollows:
Label Purpose
1 Quectelcellularmodemantenna
2 Wi-FiantennaforWi-Figeolocation(optional)
3 ExternalBluetooth(optional)
4 Built-inBluetoothchipantenna
5 QuectelGNSSantenna(optional)
6 u-bloxGNSSantenna(GPS)
7 u-bloxNeoM8GNSS(GPS)
8 Quectelcellularmodem
# Pin Function
Connected
To Description
RightSide
1 GND POWER Ground
2 GNSS_BAT POWER
IN GNSS BatterybackupforGNSS
3 GNSS_RESET IO GNSS&
IOEX GNSShardwarereset.Canbecontrolledbythispinorsoftware.
4 GNSS_VBUS USBPWR GNSS GNSSUSBpower.Optional.
5 GNSS_P USBD+ GNSS GNSSUSBinterfaceD+.Optional.
6 GNSS_N USBD- GNSS GNSSUSBinterfaceD-.Optional.
7 GNSS_PULSE OUT GNSS GNSStimepulseoutput.CanbeusedforaGNSSfixLED.2
8 GND POWER Ground
9 NC Leaveunconnected.
10 GND POWER Ground
11 WIFI_EN IO WIFI&IOEX ESP32enable.Canbecontrolledbythispinorsoftware.
12 WIFI_BOOT IO WIFI&IOEX ESP32bootmode.Canbecontrolledbythispinorsoftware.
13 WIFI_TXD OUT WIFI ESP32serialTX
14 WIFI_RXD IN WIFI ESP32serialTX
15 CELL_VBUS USBPWR CELL CellularmodemUSBpower.Optional.
16 CELL_D+ USBD+ CELL CellularmodemUSBinterfaceD+.Optional.
17 CELL-D- USBD- CELL CellularmodemUSBinterfaceD-.Optional.
18 NCSOM18 Leaveunconnected.
19 NCSOM19 Leaveunconnected.
20 NCSOM20 Leaveunconnected.
21 NCSOM21 Leaveunconnected.
22 SWDIO JTAG nRF52 nRF52MCUSWDIO
23 SWDCLK JTAG nRF52 nRF52MCUSWDCLK
24 SWO JTAG nRF52 nRF52MCUSWO
25 GND POWER Ground
26 NFC2 NFC nRF52 nRF52NFCantenna.SupportsNFCtagmodeonly.Optional.
27 NFC1 NFC nRF52 nRF52NFCantenna.SupportsNFCtagmodeonly.Optional.
28 RGB_BLUE RGBLED nRF52 CommonanodeRGBstatusLED,blue.Optional.
29 RGB_GREEN RGBLED nRF52 CommonanodeRGBstatusLED,green.Optional.
30 RGB_RED RGBLED nRF52 CommonanodeRGBstatusLED,red.Optional.
31 GND POWER Ground
32 MODE INPUT nRF52 ExternalMODEbuttoninput,activelow.Optional.
33 RESET INPUT nRF52 ExternalRESETbuttoninput,activelow.Optional.
34 NCSOM34 Leaveunconnected.
35 NCSOM35 Leaveunconnected.
36 NCSOM36 Leaveunconnected.
37 NCSOM37 Leaveunconnected.
38 A7 IO nRF52 A7,D7,SS,WKP
39 A6 IO nRF52 A6,D6,SPISCK
40 A5 IO nRF52 A5,D5,SPIMISO
SOMPINDESCRIPTION
41 A4 IO nRF52 A4,D4,SPIMOSI
42 GND POWER Ground
TopSide
43 GND POWER Ground
44 NCSOM44 Leaveunconnected.
45 3V3 POWER
OUT TPS62291 3.3Vpoweroutput.1000mAmaximumincludenRF52andother
peripheraluse.
46 TS IN PMIC Batterytemperaturesensor
47 PMID POWER
OUT PMIC PMICpoweroutputinOTGmode.
48 GND POWER Ground
49 VIN POWER
IN PMIC Powerinput3.88VDCto12VDC.
50 STAT OUT PMIC PMICchargestatus.CanbeconnectedtoanLED.Activelow.
Optional.
51 VBUS POWER
IN
PMIC&
nRF52
nRF52USBpowerinput.Canbeusedasapowersupplyinstead
ofVIN.
52 GND POWER Ground
53 LI+ POWER PMIC ConnecttoLi-Pobattery.Canpowerthedeviceorberecharged
byVINorVBUS.
LeftSide
54 GND POWER Ground
55 A0 IO nRF52 A0,D0,WireSDA,Thermistor1
56 A1 IO nRF52 A1,D1,WireSCL,Userbutton1
57 A2 IO nRF52 A2,D2,Serial1CTS,GNSSlockindicator1
58 A3 IO nRF52 A3,D3,Serial1RTS,M8GPIO1
59 NCSOM59 Leaveunconnected.
60 NCSOM60 Leaveunconnected.
61 NCSOM61 Leaveunconnected.
62 NCSOM62 Leaveunconnected.
63 AGND POWER nRF52 nRF52analogground.CanconnecttoregularGND.
64 CAN_N CAN CAN CANData-
65 CAN_P CAN CAN CANData+
66 CAN_5V XCL9142F40 5Vpowerout,0.8Amaximum.Canbecontrolledbysoftware.
67 GND POWER Ground
68 MCU-D- USBD- nRF52 MCUUSBinterfaceD-.Optional.
69 MCU_D+ USBD+ nRF52 MCUUSBinterfaceD+.Optional.
70 GND POWER Ground
71 MCU_RX IO nRF52 SerialRX,GPIOD9,Wire3SDA
72 MCU_TX IO nRF52 SerialTX,GPIOD8,Wire3SCL
73 RTC_BAT POWER AM18X5 RTC/Watchdogbattery+.ConnecttoGNDifnotusing.
74 RTC_BTN IN AM18X5 RTCEXTI.Canuseasawakebutton.
75 GND POWER Ground
76 NCSOM76 Leaveunconnected.
77 NCSOM77 Leaveunconnected.
78 NCSOM78 Leaveunconnected.
79 NCSOM79 Leaveunconnected.
80 NCSOM80 Leaveunconnected.
81 NCSOM81 Leaveunconnected.
82 NCSOM82 Leaveunconnected.
83 CELL_GPS_RX IN CELL CellularmodemGPSserialRXdata.
84 CELL_GPS_TX OUT CELL CellularmodemGPSserialTXdata.
85 CELL_RI OUT CELL Cellularmodemringindicatoroutput.
86 GND POWER Ground
87 CELL_GPS_RF RF CELL CellularmodemGPSantenna.Optional.
88 GND POWER Ground
89 GND POWER Ground
90 GNSS_BOOT GNSS u-bloxGNSSbootmode
91 GNSS_ANT_PWR GNSS u-bloxGNSSantennapower
92 GNSS_LNA_EN GNSS u-bloxGNSSLNAenableorantennaswitch
93 GND POWER Ground
94 GNSS_RF GNSS GNSSantenna.
95 GND POWER Ground
Note:AllGPIO,ADC,andperipheralssuchasI2C,Serial,andSPIare3.3Vmaximumandare not5V
tolerant.
Pinnumbersmatchthetriangularnumbersinthegraphicabove.
1PinusageontheTrackerOne.
2TheGNSS_PULSEpincanbeusedforahardwareGPSlockindicator,howevertheTrackerOne
controlstheGNSSLockindicatorinsoftwareandconnectstheLEDtopinA2.
SoMPin GPIO Analog Other PWM nRFPin
55 D0 A0 WireSDA1Group0 P0.03
56 D1 A1 WireSCL1Group0 P0.02
57 D2 A2 Serial1CTS Group0 P0.28
58 D3 A3 Serial1RTS Group0 P0.30
41 D4 A4 SPIMOSI Group1 P0.31
40 D5 A5 SPIMISO Group1 P0.29
39 D6 A6 SPISCK Group1 P0.04
38 D7 A7 SPISS,WKP Group1 P0.05
72 D8 Serial1TX,Wire3SCL Group2 P0.06
71 D9 Serial1RX,Wire3SDA Group2 P0.08
1Pull-upresistorsarenotincluded.WhenusingasanI2Cport,externalpull-upresistorsare
required.
NRF52PINASSIGNMENTS
SystemperipheralGPIO
Name Description Location
BTN MODEButton P1.13
PMIC_INT PMICInterrupt P0.26
LOW_BAT_UC FuelGaugeInterrupt IOEX0.0
RTC_INT Real-timeclockInterrupt P0.27
BGRST Cellularmodulereset P0.7
BGPWR Cellularmodulepower P0.8
BGVINT Cellularpowerondetect P1.14
BGDTR CellularmoduleDTR IOEX1.5
CAN_INT CANinterrupt P1.9
CAN_RST CANreset IOEX1.6
CAN_PWR 5Vboostconverterenable IOEX1.7
CAN_STBY CANstandbymode IOEX0.2
CAN_RTS0 CABRTS0 IOEX1.4
CAN_RTS1 CANRTS1 IOEX1.2
CAN_RTS2 CANRTS2 IOEX1.3
SEN_INT IMUinterrupt P1.7
ANT_SW1 BLEantennaswitch P1.15
GPS_PWR u-bloxGNSSpower IOEX0.6
GPS_INT u-bloxGNSSinterrupt IOEX0.7
GPS_BOOT u-bloxGNSSbootmode IOEX1.0
GPS_RST u-bloxGNSSreset IOEX1.1
WIFI_EN ESP32enable IOEX0.3
WIFI_INT ESP32interrupt IOEX0.4
WIFI_BOOT ESP32bootmode IOEX0.5
TheTrackerSoMdoesnothaveanon-moduleRGBsystemstatusLED.Wehaveprovidedits
individualcontrolpinsforyoutoconnectanLEDofyourliking.Thiswillallowgreaterflexibilityin
theenddesignofyourproducts.
DeviceOSassumesacommonanodeRGBLED.OnecommonLEDthatmeetstherequirementsis
theCreeCLMVC-FKA-CL1D1L71BB7C3C3whichisinexpensiveandeasilyprocured.Youneedtoadd
threecurrentlimitingresistors.WiththisLED,wetypicallyuse1Kohmcurrentlimitingresistors.
Thesearemuchlargerthannecessary.TheymaketheLEDlessblindingbutstillprovidesufficient
currenttolighttheLEDs.Ifyouwantmaximumbrightnessyoushouldusethecalculatedvalues-
33ohmonred,and66ohmongreenandblue.
AdetailedexplanationofdifferentcolorcodesoftheRGBsystemLEDcanbefound here.
STATUSLED
Technicalspecifications
Parameter Symbol Min Typ Max Unit
Supply
SupplyInputVoltage VIN -2.0 +22.0 V
SupplyInputCurrent IIN-MAX-L 1.5 A
VBUSUSBsupplyvoltage VUSB -0.3 +5.8 V
SupplyOutputVoltage VIN +4.8 V
SupplyOutputVoltage V3V3 +3.3 V
SupplyOutputCurrent I3V3-MAX-L 800 mA
LiPoBatteryVoltage VLiPo -0.5 +6.0 V
CANSupplyVoltage 5 V
CANSupplyCurrent 400 mA
I/Opinvoltage
VI/O IO -0.3 +3.6 V
NFCantennapincurrent
INFC1/2 NFC1/NFC2 80 mA
Radio
BTRFinputlevel(52840) 10 dBm
Environmental
Storagetemperature -40 +85 °C
ESDSusceptibilityHBM(HumanBodyMode) VESD 2 kV
Stressesbeyondthoselistedunderabsolutemaximumratingsmaycausepermanentdamageto
thedevice.Thesearestressratingsonly,andfunctionaloperationofthedeviceattheseorany
otherconditionsbeyondthoseindicatedunderrecommendedoperatingconditionsisnotimplied.
Exposuretoabsolute-maximum-ratedconditionsforextendedperiodsmayaffectdevicereliability.
ABSOLUTEMAXIMUMRATINGS
Parameter Symbol Min Typ Max Unit
Supplyvoltages
SupplyInputVoltage VIN 3.9 17.0 V
VBUSUSBsupplyvoltage VUSB 4.35 5.0 5.5 V
LiPoBatteryVoltage VLiPo 3.6 4.3 V
Environmental
Normaloperatingtemperature1-20 +25 +753°C
Extendedoperatingtemperature2-40 +85 °C
HumidityRangeNoncondensing,relativehumidity 95 %
Notes:
1Normaloperatingtemperaturerange(fullyfunctionalandmeet3GPPspecifications).
2Extendedoperatingtemperaturerange(RFperformancemaybeaffectedoutsidenormal
operatingrange,thoughmoduleisfullyfunctional)
3Themaximumoperatingtemperatureis75°ContheB523(Quectel)butis65°ContheB402(u-
bloxLTEM1).Forcompatibilityacrossmodules,limitthisto65°C.
RECOMMENDEDOPERATINGCONDITIONS
u-bloxNEO-M8Uuntethereddeadreckoningmoduleincluding3Dinertialsensors
SPIInterface
SupportsGPSL1C/A,SBASL1C/A,QZSSL1C/A,QZSSL1-SAIF,GLONASSL1OF,BeiDouB1I,and
GalileoE1B/C
Parameter Specification
Dynamicsoperationallimit1≤4g
Altitudeoperationallimit150000m
Velocityoperationallimit1500m/s
Velocityaccuracy20.5m/s
Headingaccuracy21degree
Maxnavigationupdaterate330Hz
Maxnavigationlatency3<10ms
Parameter
GPS&
GLONASS GPS GLONASS BeiDou Galileo
Time-To-FirstFix5Coldstart 26s 30s 31s 39s 57s
Hotstart 1.5s 1.5s 1.5s 15.s 1.5s
Aidedstart63s 3s 3s 7s 7s
Sensitivity78 Tracking&
Navigation -160dBm -160
dBm -157dBm -160
dBm
-154
dBm
Reacquisiton -160dBm -159
dBm -156dBm -155
dBm
-152
dBm
ColdStart -148dBm -147
dBm -145dBm -143
dBm
-133
dBm
HotStart -157dBm -156
dBm -155dBm -155
dBm
-151
dBm
Horizontalpositioning
accuracy Autonomous92.5m 2.5m 4.0m 3.0m TBC10
WithSBAS11 1.5m 1.5m - - -
Altitudeaccuracy WithSBAS12 3.5m 3.0m 7.0m 5.0m -
1ConfiguredforAirborne<4gplatform
250%at30m/s
3Highnavigationratemode
5Allsatellitesat-130dBm,exceptGalileoat-127dBm
6Dependentonaidingdataconnectionspeedandlatency
7DemonstratedwithagoodexternalLNA
8Configuredmin.CNOof6dB/Hz,limitedbyFWwithmin.CNOof20dB/Hzforbestperformance
9CEP,50%,24hoursstatic,-130dBm,>6SVs
10TobeconfirmedwhenGalileoreachesfulloperationalcapability
11CEP,50%,24hoursstatic,-130dBm,>6SVs
GNSSSPECIFICATIONS
12CEP,50%,24hoursstatic,-130dBm,>6SVs
GNSSGPIO:
Name Description Location
GPS_PWR u-bloxGNSSpower IOEX0.6
GPS_INT u-bloxGNSSinterrupt IOEX0.7
GPS_BOOT u-bloxGNSSbootmode IOEX1.0
GPS_RST u-bloxGNSSreset IOEX1.1
GPS_CS CANSPIChipSelect CSDecoder4
MicrochipMCP25625CANControllerwithIntegratedTransceiver
SPIInterface
ImplementsCAN2.0B(ISO11898-1)
ImplementsISO-11898-2andISO-11898-5standardphysicallayerrequirements
Upto1Mb/secoperation
3transmitbufferswithprioritizationandabortfeatures
2receivebuffers
6filtersand2maskswithoptionalfilteringonthefirst2databytes
CANbuspinsaredisconnectedwhendeviceisunpowered
High-ESDprotectiononCANHandCANL,meetsIEC61000-4-2upto±8kV
Verylowstandbycurrent,10uA,typical
5Vstep-upconverter(XCL9142F40CER),400mAmaximum
CANterminatorresistorisnotincluded
CANGPIO:
Name Description Location
CAN_INT CANinterrupt P1.9
CAN_RST CANreset(LOW=resetfor100milliseconds) IOEX1.6
CAN_PWR 5Vboostconverterenable(HIGH=on) IOEX1.7
CAN_STBY CANstandbymode(HIGH=standby) IOEX0.2
CAN_RTS0 CABRTS0 IOEX1.4
CAN_RTS1 CANRTS1 IOEX1.2
CAN_RTS2 CANRTS2 IOEX1.3
CAN_CS CANSPIChipSelect CSDecoder7
CANH,CANLAbsoluteMaximumRatings:
Parameter Maximum
DCVoltageatCANH,CANL -58Vto+58V
TransientVoltageonCANH,CANL(ISO-7637) -150Vto+100V
ESDProtectiononCANHandCANLPins(IEC61000-4-2) ±8kV
ESDProtectiononCANHandCANLPins(IEC801;HumanBodyModel) ±8kV
CANTranceiverCharacteristics
Parameter Symbol Min Typ Max Unit Conditions
SupplyInputVoltage VDDA 5.0 V
SupplyCurrent IDD 5 10 mA Recessive;VTXD=VDDA
45 70 mA Dominant;VTXD=0V
StandbyCurrent IDDS 5 15 µA IncludesIIO
CANH,CANLRecessiveBusOutput
Voltage VO(R) 2.0 2.5 3.0 V VTXD=VDDA
CANH,CANLBusOutputVoltagein
Standby VO(S) -0.1 0.0 +0.1 V STBY=VTXD=VDDA;Noload
RecessiveOutputCurrent IO(R) -5 +5 mA -24V<VCAN<+24V
CANH:DominantOutputVoltage VO(D) 2.75 3.5 4.5 V TXD=0;RL=50to65Ω
CANL:DominantOutputVoltage VO(D) 0.5 1.5 2.25 V RL=50to65Ω
Dominant:DifferentialOutputVoltage VO(DIFF) 1.5 2.0 3.0 V TXD=VSS;RL=50to65Ω
CANSPECIFICATIONS
Recessive:DifferentialOutputVoltage -120 0 12 mV TXD=VDDA;RL=50to65Ω
-
500 0 50 mV TXD=VDDA;Noload
CANH:Short-CircuitOutputCurrent IO(SC) -120 85 mA VTXD=VSS;VCANH=0V;CANL:
floating
CANL:Short-CircuitOutputCurrent 75 120 mA VTXD=VSS;VCANL=18V;CANH:
floating
RecessiveDifferentialInputVoltage VDIFF(R)
(I)
-1.0 +0.5 V Normalmode;-12V<V(CANH,CANL)<
+12V
-1.0 +0.4 V Standbymode;-12V<V(CANH,CANL)<
+12V
DominantDifferentialInputVoltage VDIFF(D)
(I)
0.9 5.0 V Normalmode;-12V<V(CANH,CANL)<
+12V
1.0 5.0 V Standbymode;-12V<V(CANH,CANL)<
+12V
IMU(InertialMeasurementUnit)
BoschSensortecBMI160
SPIInterfaceconnectedtoSPI1(MISO1,MOSI1,SCK1)
ChipSelect:SEN_CS(CSDecoder2)
CanwakenRF52MCUonmovement(SEN_INT1)
16bitdigital,triaxialaccelerometerandtriaxialgyroscope
Verylowpowerconsumption:typically925μAwithaccelerometerandgyroscopeinfull
operation
AllocatableFIFObufferof1024bytes(capableofhandlingexternalsensordata)
Hardwaresensortime-stampsforaccuratesensordatafusion
Integratedinterruptsforenhancedautonomousmotiondetection
PMIC
TexasInstrumentsbq24195
I2Cinterface(Wire1address0x6B)
CaninterruptnRF52MCUonchargestatusandfault
HandlesswitchingbetweenUSB,VIN,andbatterypower
LiPobatterycharger
Chargesafetytimer,thermalregulation,andthermalshutdown
Optionalconnectionforbatterythermistor
FuelGauge
MAX17043
I2Cinterface(Wire1address0x36)
CaninterruptnRF52MCUonlowbattery
Fuel-gaugesystemforsinglecelllithium-ion(Li+)batteries
Precisionvoltagemeasurement±12.5mVAccuracyto5V
Accuraterelativecapacity(RSOC)CcalculatedfromModelGaugealgorithm
Nooffsetaccumulationonmeasurement
Nofull-to-emptybatteryrelearningnecessary
RTC/Watchdog
AmbiqMicroAM18X5Real-TimeClockwithPowerManagement
55nApowerconsumption
Crystaloscillator
I2Cinterface(Wire1address0x68)
CanwakeMCUfromhibernate(SLEEP_MODE_DEEP)ataspecifictimeusing RTC_INT.
Programmablehardwarewatchdog
RTCpoweredbyXC6504ultra-lowconsumptionregulatorsothemainTPS62291canbeshut
downfromRTC
OTHERCOMPONENTS
Wi-FiGeolocation
TheWi-FimoduleisintendedforWi-Figeolocationonly.Itcannotbeusedasanetworkinterface
insteadofusingcellular.AnexternalserviceprovidersuchastheGoogleGeolocationServiceis
requiredformappingWi-Finetworkstoalocation.
ESP32-D2WD
SPIInterface
ConnectedtoSPI1(MISO1,MOSI1,SCK1)
ChipSelect:WIFI_CS(CSDecoder3)
Interrupt:ESP32IO4isconnectedtoMCP23517TI/0ExpanderGPA4.
TheSoMconnectorhasseveralpinsdedicatedtoWi-Fi:
# Pin Function ConnectedTo Description
11 WIFI_EN IO WIFI&IOEX ESP32enable.Canbecontrolledbythispinorsoftware.
12 WIFI_BOOT IO WIFI&IOEX ESP32bootmode.Canbecontrolledbythispinorsoftware.
13 WIFI_TXD OUT WIFI ESP32serialTX
14 WIFI_RXD IN WIFI ESP32serialTX
TheWIFI_ENpinturnsontheWi-Fimodule.LOW=Off,HIGH=On.Thedefaultisoff(witha100K
weakpull-down).ItcanbeturnedonfromPin11ontheSoMconnection,orinsoftwarefromthe
MCP23S17I/0Expander0.3.
TheWIFI_BOOTpinenablesprogrammingmode.
3.3VRegulator
TexasInstrumentsTPS62291
1.0Aat3.3V
PowersnRF52840MCUandESP32Wi-Fimodule
Canbeusedbyyourbaseboardtopower3.3Vcomponents
3.3VsupplycanbepowereddownfromtheRTC/Watchdog
nRF52840
Bluetooth®5,2.4GHz
95dBmsensitivityin1MbpsBluetooth®lowenergymode
103dBmsensitivityin125kbpsBluetooth®lowenergymode(longrange)
20to+8dBmTXpower,configurablein4dBsteps
4GLTEcellularcharacteristicsforEG91-EX
Parameter Value
Protocolstack 3GPPRelease13
RAT LTECat1
LTEFDDBands Band28(700MHz)
Band20(800MHz)
Band8(900MHz)
Band3(1800MHz)
Band1(2100MHz)
RADIOSPECIFICATIONS
Band7(2600MHz)
WCDMABands Band8(900MHz)
Band1(2100)
GSMBands EGSM900(900MHz)
DCS1800(1800MHz)
Powerclass Class4(33dBm±2dB)forEGSM900
Class1(30dBm±2dB)forDCS1800
ClassE2(27dBm±3dB)forEGSM9008-PSK
ClassE2(26dBm±3dB)forDCS18008-PSK
Class3(24dBm±3dB)forWCDMAbands
Class3(23dBm±2dB)forLTEFDDbands
4GLTEcellularcharacteristicsforBG96-MC
Parameter Value
Protocolstack 3GPPRelease13
RAT LTECatM1
EGPRS
LTEFDDBands Band12(700MHz)
Band13(700MHz)
Band4(1700MHz)
Band2(1900MHz)
GSMBands EGSM850(850MHz)
DCS1900(1900MHz)
ESP32
EspressifSystemsESP32forWi-Figeolocation:
Feature Description
WLANStandards IEEE802.11b/g/n
AntennaPort SingleAntenna
FrequencyBand 2412to2484MHz
ThesespecificationsarebasedonthenRF52840datasheet.
Symbol Parameter Min Typ Max Unit
VIH Inputhighvoltage 0.7xVDD VDD V
VIL Inputlowvoltage VSS 0.3xVDD V
VOH,SD Outputhighvoltage,standarddrive,0.5mA,VDD≥1.7 VDD-0.4 VDD V
VOH,HDH Outputhighvoltage,highdrive,5mA,VDD>=2.7V VDD-0.4 VDD V
VOH,HDL Outputhighvoltage,highdrive,3mA,VDD>=1.7V VDD-0.4 VDD V
VOL,SD Outputlowvoltage,standarddrive,0.5mA,VDD≥1.7 VSS VSS+0.4 V
VOL,HDH Outputlowvoltage,highdrive,5mA,VDD>=2.7V VSS VSS+0.4 V
VOL,HDL Outputlowvoltage,highdrive,3mA,VDD>=1.7V VSS VSS+0.4 V
IOL,SD CurrentatVSS+0.4V,outputsetlow,standarddrive,VDD≥1.7 1 2 4 mA
IOL,HDH CurrentatVSS+0.4V,outputsetlow,highdrive,VDD>=2.7V 6 10 15 mA
IOL,HDL CurrentatVSS+0.4V,outputsetlow,highdrive,VDD>=1.7V 3 mA
IOH,SD CurrentatVDD-0.4V,outputsethigh,standarddrive,VDD≥1.7 1 2 4 mA
IOH,HDH CurrentatVDD-0.4V,outputsethigh,highdrive,VDD>=2.7V 6 9 14 mA
IOH,HDL CurrentatVDD-0.4V,outputsethigh,highdrive,VDD>=1.7V 3 mA
tRF,15pF Rise/falltime,standarddrivemode,10-90%,15pFload19 ns
tRF,25pF Rise/falltime,standarddrivemode,10-90%,25pFload113 ns
tRF,50pF Rise/falltime,standarddrivemode,10-90%,50pFload125 ns
tHRF,15pF Rise/Falltime,highdrivemode,10-90%,15pFload14 ns
tHRF,25pF Rise/Falltime,highdrivemode,10-90%,25pFload15 ns
tHRF,50pF Rise/Falltime,highdrivemode,10-90%,50pFload18 ns
RPU Pull-upresistance 11 13 16 kΩ
RPD Pull-downresistance 11 13 16 kΩ
CPAD Padcapacitance 3 pF
CPAD_NFC PadcapacitanceonNFCpads 4 pF
INFC_LEAK LeakagecurrentbetweenNFCpadswhendriventodifferent
states 1 10 μA
1Riseandfalltimesbasedonsimulations
I/OCHARACTERISTICS
Mechanicalspecifications
Parameter Value Units
Width 28 mm
Length 93 mm
Thickness 4 mm
Weight g
Weightwillbeprovidedatalaterdate.
Willbeprovidedatalaterdate.
Dimensionsareinmillimeters.
DIMENSIONSANDWEIGHT
MECHANICALDRAWING
MCU
Cellular
SCHEMATICS
GNSS
Wi-Fi
CAN
UserI/O
PMIC
FuelGauge
CellControl
I/OExpander
QSPIFlash
RTC/Watchdog
IMU
3V3Regulator
Willbeprovidedatalaterdate.
LAYOUTCONSIDERATIONS
Certification
Warning:Changesormodificationstothisunitnotexpresslyapprovedbythepartyresponsiblefor
compliancecouldvoidtheuser’sauthoritytooperatetheequipment.
NOTE:ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigital
device,pursuanttoPart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonable
protectionagainstharmfulinterferenceinaresidentialinstallation.Thisequipmentgenerates,uses
andcanradiateradiofrequencyenergyand,ifnotinstalledandusedinaccordancewiththe
instructions,maycauseharmfulinterferencetoradiocommunications.
However,thereisnoguaranteethatinterferencewillnotoccurinaparticularinstallation.Ifthis
equipmentdoescauseharmfulinterferencetoradioortelevisionreception,whichcanbe
determinedbyturningtheequipmentoffandon,theuserisencouragedtotrytocorrectthe
interferencebyoneormoreofthefollowingmeasures:
Reorientorrelocatethereceivingantenna.
Increasetheseparationbetweentheequipmentandreceiver.
Consultthedealeroranexperiencedradio/TVtechnicianforhelp.
Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiveris
connected.
Thedevicemustnotbeco-locatedoroperatinginconjunctionwithanyotherantennaor
transmitter.
FCCRFRadiationExposureStatement
Caution:TomaintaincompliancewiththeFCC'sRFexposureguidelines,placetheproductatleast
20cmfromnearbypersons.Themodulecanbeinstalledinmobileorfixedinstallationsonly,andit
cannotbeinstalledinanyportableinstallations.
FCCConditions
Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowingtwo
conditions:
1.Thisdevicemaynotcauseharmfulinterference.2.Thisdevicemustacceptanyinterference
received,includinginterferencethatmaycauseundesiredoperation.Thisdevicecomplieswith
Part15,Part15.247oftheFCCRules.TheFCCIDforthisdeviceis2AEMI-T40X.
IftheFCCIDisnotvisiblewiththemoduleisinstalledinsideanotherdevice,thenitmustbestill
responsiblefortheFCCcompliancerequirementoftheendproductwhichreferringtothe
enclosedmoduleanditalsomustdisplayalabel,suchasthefollowing:
ContainsTransmittermoduleFCCID:2AEMI-T40XorcontainsFCCID:2AEMI-T40XThehost
productmanufacturerisresponsibleforcompliancetoanyotherFCCrulesthatapplytothehost
notcoveredbythemodulartransmittergrantofcertification.Thefinalhostproductstillrequires
Part15SubpartBcompliancetestingwiththemodulartransmitterinstalled.
Theendusermanualshallincludeallrequiredregulatoryinformation/warningasshowninthis
manual,include:Thisproductmustbeinstalledandoperatedwithaminimumdistanceof20cm
betweentheradiatoranduserbody.RadiationExposureStatement:
FCC(UNITEDSTATES)
TheproductisalowpowerdeviceanditsoutputpowerislowerthanFCCSARexemptionlevel.
ThisdevicecomplieswithIndustryCanadalicense-exemptRSSstandard(s).Operationissubject
tothefollowingtwoconditions:
thisdevicemaynotcauseinterference.
thisdevicemustacceptanyinterference,includinginterferencethatmaycauseundesired
operationofthedevice.
LeprésentappareilestconformeauxCNRd'IndustrieCanadaapplicablesauxappareilsradio
exemptsdelicence.L'exploitationestautoriséeauxdeuxconditionssuivantes:
l'appareilnedoitpasproduiredebrouillage,et
l'utilisateurdel'appareildoitacceptertoutbrouillageradioélectriquesubi,mêmesile
brouillageestsusceptibled'encompromettrelefonctionnement.
ThisClassBdigitalapparatuscomplieswithCanadianICES-003.
CetappareilnumériquedelaclasseBestconformeàlanormeNMB-003duCanada.
Thisdeviceanditsantenna(s)mustnotbeco-locatedoroperatinginconjunctionwithany
otherantennaortransmitter,excepttestedbuilt-inradios.
Cetappareiletsonantennenedoiventpasêtresituésoufonctionnerenconjonctionavecune
autreantenneouunautreémetteur,exceptionfaitesdesradiosintégréesquiontététestées.
TheCountyCodeSelectionfeatureisdisabledforproductsmarketedintheUS/Canada.
Lafonctiondesélectiondel'indicatifdupaysestdésactivéepourlesproduitscommercialisés
auxÉtats-UnisetauCanada.
RadiationExposureStatement:ThisequipmentcomplieswithICradiationexposurelimitsset
forthforanuncontrolledenvironment.Thisequipmentshouldbeinstalledandoperatedwith
minimumdistance20cmbetweentheradiator&yourbody.
Déclarationd'expositionauxradiations:Cetéquipementestconformeauxlimitesd'exposition
auxrayonnementsICétabliespourunenvironnementnoncontrôlé.Cetéquipementdoitêtre
installéetutiliséavecunminimumde20cmdedistanceentrelasourcederayonnementetvotre
corps.
INDUSTRYCANADA(IC)
ProductHandling
TheTrackerSoMcontainshighlysensitiveelectroniccircuitryandisanElectrostaticSensitive
Device(ESD).HandlinganmodulewithoutproperESDprotectionmaydestroyordamageit
permanently.ProperESDhandlingandpackagingproceduresmustbeappliedthroughoutthe
processing,handlingandoperationofanyapplicationthatincorporatesthemodule.ESD
precautionsshouldbeimplementedontheapplicationboardwheretheBseriesismounted.
Failuretoobservetheseprecautionscanresultinseveredamagetothemodule!
TheU.FLantennaconnectorsarenotdesignedtobeconstantlypluggedandunplugged.The
antennapinisstaticsensitiveandyoucandestroytheradiowithimproperhandling.Atinydabof
glue(epoxy,rubbercement,liquidtapeorhotglue)ontheconnectorcanbeusedsecurelyhold
thepluginplace.
ThisdevicemustbetreatedasWasteElectrical&ElectronicEquipment(WEEE)whendisposedof.
AnyWEEEmarkedwasteproductsmustnotbemixedwithgeneralhouseholdwaste,butkept
separateforthetreatment,recoveryandrecyclingofthematerialsused.Forpropertreatment,
recoveryandrecycling;pleasetakeallWEEEmarkedwastetoyourLocalAuthorityCivicwastesite,
whereitwillbeacceptedfreeofcharge.IfallconsumersdisposeofWasteElectrical&Electronic
Equipmentcorrectly,theywillbehelpingtosavevaluableresourcesandpreventinganypotential
negativeeffectsuponhumanhealthandtheenvironmentofanyhazardousmaterialsthatthe
wastemaycontain.
ESDPRECAUTIONS
CONNECTORS
DISPOSAL
Defaultsettings
TheAssetTrackerSoMcomespre-programmedwithabootloaderandauserapplicationcalled
Tinker.ThisapplicationworkswithaniOSandAndroidappalsonamedTinkerthatallowsyouto
veryeasilytoggledigitalpins,takeanaloganddigitalreadingsanddrivevariablePWMoutputs.
Thebootloaderallowsyoutoeasilyupdatetheuserapplicationviaseveraldifferentmethods,USB,
OTA,SerialY-Modem,andalsointernallyviatheFactoryResetprocedure.Allofthesemethods
havemultipletoolsassociatedwiththemaswell.
OrderingInformation
SKU Description Packaging
T523Family(Europe)
T523MEA TrackerSoMLTECAT1/3G/2G(Europe),[x1] Each
T523MTY TrackerSoMLTECAT1/3G/2G(Europe),Tray[x50] Tray(50)
T523MKIT TrackerSoMLTECAT1/3G/2G(Europe)EvaluationKit,[x1] Each
T402Family(NorthAmerica)
T402MEA TrackerSoMLTEM1(NorAm),[x1] Each
T402MTY TrackerSoMLTEM1(NorAm),Tray[x50] Tray(50)
T402MKIT TrackerSoMLTEM1(NorAm)EvaluationKit,[x1] Each
Revisionhistory
Revision Date Author Comments
pre1 31Mar2020 RK PreviewRelease1
pre2 12May2020 RK Addedpartialdimensions
001 29Jun2020 RK Firstrelease
002 10Jul2020 RK Updatedabsolutemaximumratings,schematics
003 17Jul2020 RK Updatedabsolutemaximumratings
004 30Jul2020 RK AddedexplanationofDIVconnector
005 06Aug2020 RK Addedcrystaltoblockdiagram,addedFCCinformation
006 18Aug2020 RK AddedIC(Canada)information