Ultralow Supply-Current Voltage Monitor With …

1 VGNDMRP roductFolderSample &BuyTechnicalDocumentsTools &SoftwareSupport &CommunityAn IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand ,TPS3106,TPS3110 SLVS363G AUGUST2001 REVISEDSEPTEMBER2016 TPS31xxUltralowSupply-CurrentVoltageMoni torWith OptionalWatchdog11 Features1 V, V, V, V, 2 V, and V HighTrip- SupplyCurrentof A (Typical) RESETD efinedWithInputVoltagesas Low V Power-OnResetGeneratorWitha DelayTimeof130 ms Push/Pullor Open-DrainRESETO utputs PackageTemperatureRange: 40 C to 125 C2 Applications ApplicationsUsingLow-PowerDSPs,Microcont rollers,or Microprocessors Portableand Battery-PoweredEquipment IntelligentInstruments WirelessCommunicationSystems IndustrialEquipment Notebookand DesktopComputersTypicalApplicationSchema tic3 DescriptionThe TPS310xand TPS311xfamiliesof supervisorycircuitsprovidecircuitinitial izationandtimingsupervision,primarilyfor DSPand ,RESETis assertedlow whenthesupplyvoltage(VDD) ,the supervisorycircuitmonitorsVDDandkeepsthe RESET outputlow as longas VDDremainsbelowthe thresholdvoltage(VIT ).

2 To ensurepropersystemreset,afterVDDsurpasse sthe thresholdvoltage,an internaltimerdelaysthe transitionof theRESET signalfromlow to highfor the , the the devicesof this familyhavea fixed-sensethresholdvoltage(VIT ) set by an TPS3103and TPS3106deviceshavean active-low,open-drainRESET outputandeitheranintegratedpower-failinp ut(PFI)or SENSE inputwithcorrespondingoutputsfor an active-lowpush/pullRESET anda watchdogtimerto monitorthe threedeviceshavea manualresetpin that can be usedto forcethe outputslowregardlessof the productspectrumis designedfor supplyvoltagesof V up to V. The circuitsare availablein operationovera temperaturerangeof 40 C to 125 (1)PARTNUMBERPACKAGEBODYSIZE(NOM)TPS3103 xxxSOT-23(6) (1) For all availablepackages,see the orderableaddendumatthe end of the ,TPS3106,TPS3110 SLVS363G AUGUST2001 :TPS3103 TPS3106 TPS3110 SubmitDocumentationFeedbackCopyright 2001 2016,TexasInstrumentsIncorporatedTableof Contents1 Pin Configurationand Applicationand Deviceand Mechanical,Packaging,and RevisionHistoryChangesfromRevisionF (November2015)to RevisionGPage ChangedPackageTemperatureRangeFeaturesbu lletto extendto 125 C.

3 1 Changedsupplyvoltageand temperaturerangein last ChangedmaximumspecificationsinSupplyvolt age,All otherpins, Changedmaximumspecificationsin VDD, PFI, and AddedTA= 40 C to 125 C rowsto VIT Addedsecondrow to VIT (S) ChangedTypicalCharacteristicscurvesTPS31 10E09 SupplyCurrentvs SupplyVoltage,TPS3110E09 Low-LevelOutputVoltagevs Low-LevelOutputCurrent,TPS3110E09 Low-LevelOutputVoltagevs Low-LevelOutputCurrent,TPS3110E09 High-LevelOutputVoltagevs High-LevelOutputCurrent, andTPS3110K33 High-LevelOutputVoltagevs ChangedNormalizedThresholdVoltagevs Changedsupplyvoltagerangein first Changedsupplyvoltagerangein ChangedNormalizedThresholdVoltagevs Changedsupplyvoltagerangein first (September2007)to RevisionFPage AddedESDR atings table,FeatureDescriptionsection,DeviceFu nctionalModes,Applicationand Implementationsection,PowerSupplyRecomme ndationssection,Layoutsection,Deviceand DocumentationSupportsection,andMechanica l,Packaging,and Changedtitle of DeletedFeaturesbulletfor ,TPS3106, AUGUST2001 REVISEDSEPTEMBER2016 ProductFolderLinks:TPS3103 TPS3106 TPS3110 SubmitDocumentationFeedbackCopyright 2001 2016,TexasInstrumentsIncorporated ChangedPin Configurationand Functionssection; Changed"free-airtemperature" to "junctiontemperature" DeletedclampcurrentfromAbsoluteMaximumRa tingstable; Changed"free-airtemperature" to "junctiontemperature" AddedThermalInformationtable; Changed"free-airtemperature" to "junctiontemperature" Changed"free-airtemperature" to "junctiontemperature" ChangedFigure1 title and ChangedFigure2 title.

4 9 ,TPS3106,TPS3110 SLVS363G AUGUST2001 :TPS3103 TPS3106 TPS3110 SubmitDocumentationFeedbackCopyright 2001 2016,TexasInstrumentsIncorporated5 AvailableOptionsDEVICERESETOUTPUTRSTSENS E,RSTVDDOUTPUTSENSEINPUTWDIINPUTPFOOUTPU TTPS3103 Open-drainOpen-drainTPS3106 Open-drain TPS3110 Push-pull 6 Pin Configurationand FunctionsTPS3103 DBVP ackage6-PinSOT-23 Top ViewTPS3106 DBVP ackage6-PinSOT-23 Top ViewTPS3110 DBVP ackage6-PinSOT-23 Top ViewPin FunctionsPINI/ODESCRIPTIONNAMETPS3103 TPS3106 TPS3110 GND222 low to forcea as long asMR is low and for the time-outperiodafterMR connectto IPower-failinputcomparesto with no not whenvoltageat PFI 5 RSTSENSE only dependson thevoltageat SENSEand the statusof 1 RSTVDD only dependson the voltageat VDDand the statusof 44IA resetis assertedif the voltageat SENSEis Connectto VDDif deviceand monitorsits own WDIremainshigh or low longerthanthe time-outperiod.

5 Thenresetis timerclearswhenresetis assertedorwhenWDIseesa risingedgeor a ,TPS3106, AUGUST2001 REVISEDSEPTEMBER2016 ProductFolderLinks:TPS3103 TPS3106 TPS3110 SubmitDocumentationFeedbackCopyright 2001 2016,TexasInstrumentsIncorporated(1)Stre ssesbeyondthoselistedunderAbsoluteMaximu mRatingsmay causepermanentdamageto the stressratingsonly,whichdo not implyfunctionaloperationof the deviceat theseor any otherconditionsbeyondthoseindicatedunder RecommendedOperatingConditions. Exposureto absolute-maximum-ratedconditionsfor extendedperiodsmay affectdevicereliability.(2)All voltagevaluesare with respectto reliableoperation,the devicemustnot be operatedat V for morethant = 1000hcontinuously.(3)Outputis clampedfor push-pulloutputsby the backgatediodesinternalto the IC. No clampexistsfor the (unlessotherwisenoted)(1)MINMAXUNITS upplyvoltage(2)VDD Pin, RESET(push-pull)VMR, VRESET(push-pull) + otherpins(2) outputcurrentIOL 55mAMaximumhigh outputcurrentIOH 55mAInputcurrentIIK(VSENSE< 0 V or VSENSE> VDD) 1010mAOutputcurrentIOK(VO< 0 V or VO> VDD)(3) 1010mAContinuoustotal powerdissipationSeeThermalInformationTem peratureOperating,TJ 40125 CStorage,Tstg 65150 C(1)JEDEC documentJEP155statesthat 500-VHBM allowssafe manufacturingwith a standardESDcontrolprocess.

6 (2)JEDEC documentJEP157statesthat 250-VCDM allowssafe manufacturingwith a (ESD)ElectrostaticdischargeHumanbodymode l(HBM),per ANSI/ESDA/JEDECJS-001,all pins(1) 2000 VChargeddevicemodel(CDM),per JEDEC specificationJESD22-C101,all pins(2) 500(1)For properoperationof SENSE,PFI, and WDIfunctions:VDD , (1) VDDVWDILow-levelinputvoltageVILat VDDVWDII nputtransitionrise and fall rate at t/ V at MR100ns/VMRMR voltage0 VDDVPFIPFI 40125 C6 TPS3103,TPS3106,TPS3110 SLVS363G AUGUST2001 :TPS3103 TPS3106 TPS3110 SubmitDocumentationFeedbackCopyright 2001 2016,TexasInstrumentsIncorporated(1)For moreinformationabouttraditionaland new thermalmetrics,see theSemiconductorand IC PackageThermalMetricsapplicationreport, (1)TPS31xxUNITDBV(SOT-23)6 PINSR C/WR JC(top)Junction-to-case(top) C/WR C/W C/W JBJunction-to-boardcharacterizationparam eter29 C/W(1)To ensurethe best stabilityof the thresholdvoltage,a bypasscapacitor(ceramic, F) shouldbe placedcloseto the (unlessotherwisenoted).

7 PARAMETERTESTCONDITIONSMINTYPMAXUNITVOHH igh-leveloutputvoltageVDD= V, IOH= 3 VDDVVDD= V, IOH= 2 mAVDD= V, IOH= 1 mAVDD= V, IOH= mAVDD= V, IOH= 5 VDDVOLLow-leveloutputvoltageVDD= V, IOL= 3 V, IOL= 2 mAVDD= V, IOL= 1 mAVDD= V, IOL= 500 AVOLLow-leveloutputvoltageRESET onlyVDD= V, IOL= 5 Negative-goinginputthresholdvoltage(1)TP S31xxE09TA= 25 40 C to 125 (S)Negative-goinginputthresholdvoltage(1 )SENSE,PFIVDD V, TA= 25 V, TA= 40 C to125 V VIT < V VIT < V VIT < V50T(K)Temperaturecoefficientof VIT , PFI,SENSETA= 40 C to 85 C (S)Hysteresisat SENSE,PFI inputVDD V15mVIIHHigh-levelinputcurrentMRMR = VDD, VDD= V 2525nASENSE,PFI,WDISENSE,PFI, WDI= VDD,VDD= V 25257 TPS3103,TPS3106, AUGUST2001 REVISEDSEPTEMBER2016 ProductFolderLinks:TPS3103 TPS3106 TPS3110 SubmitDocumentationFeedbackCopyright 2001 2016,TexasInstrumentsIncorporatedElectri calCharacteristics(continued)overoperati ngjunctiontemperaturerange(unlessotherwi senoted).

8 PARAMETERTESTCONDITIONSMINTYPMAXUNIT(2)A lsorefersto RSTVDDand = 0 V, VDD= V 47 33 25 ASENSE,PFI,WDISENSE,PFI, WDI= 0 V,VDD= V 2525nAIOHHigh-leveloutputcurrentat RESET(2)Open-drainVDD= VIT + V, VOH= V200nAIDDS upplycurrentTA= 40 C to 85 C, VDD> VIT (averagecurrent),VDD< ATA= 40 C to 125 C, VDD> VIT (averagecurrent),VDD< V3TA= 40 C to 85 C, VDD> VIT (averagecurrent),VDD> 40 C to 125 C, VDD> VIT (averagecurrent),VDD> 40 C to 85 C, VDD< VIT ,VDD< V22TA= 40 C to 125 C, VDD<VIT , VDD< V27TA= 40 C to 85 C, VDD< VIT ,VDD> V27TA= 40 C to 125 C, VDD<VIT , VDD> V32 Internalpullupresistorat MR70100130k CINI nputcapacitanceat MR, SENSE,PFI, WDIVIN= 0 V to VOutput ConditionUndefinedtttOutput ConditionUndefinedRESETMR8 TPS3103,TPS3106,TPS3110 SLVS363G AUGUST2001 :TPS3103 TPS3106 TPS3110 SubmitDocumentationFeedbackCopyright 2001 2016, RL= 1 M , CL= 50 pF, and TA= 40 C to 85 C, (OUT)Time-outperiodat WDIVDD VDDVIH= VIT , VIL= VIT , VIT = sat MRVDD VIT + V, VIL= VDD, VIH= SENSEVDD VIT , VIH= VIT (S), VIL= VIT (S)20at PFIVDD V, VIH= VIT (S),VIL= VIT (S)20at WDIVDD VIT , VIL= VDD, VIH= RL= 1 M , CL= 50 pF, and TA= 40 C to 85 C, VIT , MR = (VDD)Propagationdelaytime,high-to-lowlev eloutputVDDto RESETorRSTVDD delayVIH= VIT , VIL= VIT 40 stPHL(SENSE)Propagationdelaytime,high-to -lowleveloutputSENSEto RESETorRSTSENSE delayVDD V, VIH= VIT , VIL= VIT 40 stPHL(PFO)Propagationdelaytime,high-to-l owleveloutputPFI to PFOdelayVDD V, VIH= VIT , VIL= VIT 40 stPLH(PFO)Propagationdelaytime,low-to-hi ghleveloutputPFI to PFOdelayVDD V, VIH= VIT , VIL= VIT 300 stPHL(MR)

9 Propagationdelaytime,high-to-lowlevelout putMR to ,RSTSENSE delayVDD VIT , VIL= VDD, VIH= VDD15 sFigure1. RESETT imingDiagramfor VtttttOutput ConditionUndefinedOutput ConditionUndefinedOutput ConditionUndefinedOutput ConditionUndefinedtDtDtDtDSENSERSTSENSEM RRSTVDDV= VIT (S)-PFIV= VIT (S)-Output ConditionUndefinedPFOttOutput ConditionUndefined9 TPS3103,TPS3106, AUGUST2001 REVISEDSEPTEMBER2016 ProductFolderLinks:TPS3103 TPS3106 TPS3110 SubmitDocumentationFeedbackCopyright 2001 2016,TexasInstrumentsIncorporatedFigure2 . PFOT imingDiagramfor TPS3103 Figure3. TimingDiagramfor VttOutput ConditionUndefinedOutput ConditionUndefinedtttSENSEWDItDtDtDtDtDt (TOUT)x = Don t CareMRRESETV= VIT (S)-VIT-10 TPS3103,TPS3106,TPS3110 SLVS363G AUGUST2001 :TPS3103 TPS3106 TPS3110 SubmitDocumentationFeedbackCopyright 2001 2016,TexasInstrumentsIncorporatedFigure4 . TimingDiagramfor TPS3110 IOH (mA)VOH (V) = -40 CTA = 0 CTA = 25 CTA = 85 CTA = 105 CTA = 125 Overdrive Voltage --VDDtVMinimum Pulse Duration at-- msWDDV= VDDV= VDDMR: OpenSENSE = VDDIOL (mA)VOL (V) = -40 CTA = 0 CTA = 25 CTA = 85 CTA = 105 CTA = 125 CIOH (mA)VOH (V) = -40 CTA = 0 CTA = 25 CTA = 85 CTA = 105 CTA = 125 CSupply Voltage (V) supply current (PA) = -40 CTA = 0 CTA = 25 CTA = 85 CTA = 105 CTA = 125 CIOL (mA)VOL (V) = -40 CTA = 0 CTA = 25 CTA = 85 CTA = 105 CTA = 125 C11 TPS3103,TPS3106, AUGUST2001 REVISEDSEPTEMBER2016 ProductFolderLinks:TPS3103 TPS3106 TPS3110 SubmitDocumentationFeedbackCopyright 2001 2016, VDD, MR = open,RESET= open,WDI:triggeredFigure5.

10 TPS3110E09 SupplyCurrentvs SupplyVoltageVDD= V, SENSE= GND,MR = GND,WDI:GNDF igure6. TPS3110E09 Low-LevelOutputVoltagevsLow-LevelOutputC urrentVDD= V, SENSE= GND,MR = GND,WDI:GNDF igure7. TPS3110E09 Low-LevelOutputVoltagevsLow-LevelOutputC urrentVDD= V, SENSE= VDD, MR = VDD, WDI:triggeredFigure8. TPS3110E09 High-LevelOutputVoltagevsHigh-LevelOutpu tCurrentVDD= V, SENSE= VDD, MR = VDD, WDI:triggeredFigure9. TPS3110K33 High-LevelOutputVoltagevsHigh-LevelOutpu tCurrentFigure10. MinimumPulseDurationat VDDvsThresholdOverdriveVoltageTA (qC)Normalized VIT (V)-40-25-105203550658095110 ,TPS3106,TPS3110 SLVS363G AUGUST2001 :TPS3103 TPS3106 TPS3110 SubmitDocumentationFeedbackCopyright 2001 2016,TexasInstrumentsIncorporatedTypical Characteristics(continued)Figure11. NormalizedThresholdVoltagevs Free-AirTemperature_+_+Reset Logicand VVDDMRPFIGNDRESETPFOTPS310313 TPS3103,TPS3106, AUGUST2001 REVISEDSEPTEMBER2016 ProductFolderLinks:TPS3103 TPS3106 TPS3110 SubmitDocumentationFeedbackCopyright 2001 2016,TexasInstrumentsIncorporated8 TPS310xand TPS311xfamiliesof V to V andprovidecircuitinitializationand timingsupervisionfor DSP-and processor-basedsystems.