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12-Channel, 16-Bit, Enhanced Spec, PWM, RGB LED …

GNDVREGIREFSDTISCKIVCCOUTR0 OUTG0 OUTG3 OUTB3 SDTOSCKO1 FmVCCGNDP owerSupply(6 V to 17 V)DATACLKGNDC ontroller(1) GNDVREGIREFSDTISCKIVCCOUTR0 OUTG0 OUTG3 OUTB3 SDTOSCKO1 Fm OptionalDeviceDeviceOptionalProductFolde rSample &BuyTechnicalDocumentsTools &SoftwareSupport &CommunityTLC5971 SBVS146D AUGUST2010 REVISEDDECEMBER2015 TLC597112- channel , 16-Bit, EnhancedSpectru m,PWM, RGB, LED DriverWith Features2 ApplicationsRGBLEDC lusterLampDisplays1 12 Constant-CurrentSinkOutputChannels CurrentCapability.

gnd vreg iref sdti scki vcc outr0 outg0 outg3 outb3 sdto scko 1 fm vcc gnd power supply (6 v to 17 v) data clk gnd controller (1) ¼ ¼ gnd vreg iref sdti scki vcc outr0 outg0

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Transcription of 12-Channel, 16-Bit, Enhanced Spec, PWM, RGB LED …

1 GNDVREGIREFSDTISCKIVCCOUTR0 OUTG0 OUTG3 OUTB3 SDTOSCKO1 FmVCCGNDP owerSupply(6 V to 17 V)DATACLKGNDC ontroller(1) GNDVREGIREFSDTISCKIVCCOUTR0 OUTG0 OUTG3 OUTB3 SDTOSCKO1 Fm OptionalDeviceDeviceOptionalProductFolde rSample &BuyTechnicalDocumentsTools &SoftwareSupport &CommunityTLC5971 SBVS146D AUGUST2010 REVISEDDECEMBER2015 TLC597112- channel , 16-Bit, EnhancedSpectru m,PWM, RGB, LED DriverWith Features2 ApplicationsRGBLEDC lusterLampDisplays1 12 Constant-CurrentSinkOutputChannels CurrentCapability.

2 60 mA Per Channel3 Description Grayscale(GS)ControlWithEnhancedSpectrum TheTLC5971deviceis a 12-Channel, constant- (65536 Steps)individuallyadjustablecurrentswith 65536 PWM GlobalBrightnessControl(BC):grayscale(GS ) ,eachcolorgroupcan be7-Bit(128 Steps)for EachColorGroupcontrolledby 128 constant-currentsink stepswith theglobalbrightnesscontrol(BC) control Power-SupplyVoltageRange:andBC are accessiblethrougha two-wiresignal InternalLinearRegulator:6 V to 17 each DirectPowerSupply:3 V to Vchannelis set by a turnedoff whenthe IC is LEDS upplyVoltage:Up to 17 Vin an overtemperaturecondition.

3 Constant-CurrentAccuracy: channel -to- channel = 1% (Typical)DeviceInformation(1) Device-to-Device= 1% (Typical)PARTNUMBERPACKAGEBODYSIZE(NOM) DataTransferRate:20 MHzHTSSOP(20) (24) V AutoDisplayRepeatFunction(1) For all availablepackages,see the orderableaddendumatthe end of the datasheet. DisplayTimingResetFunction Internaland ExternalSelectableGS Clock ThermalShutdown(TSD)WithAutoRestart UnlimitedDeviceCascading OperatingTemperatureRange: 40 C to +85 CTypicalApplicationCircuitExample(Intern alLinearRegulatorUsingVCC= 6 V to 17 V)(1)The outputvoltagerangeis from0 V to.

4 The numberof LEDsin serieschanges,dependingon the IMPORTANTNOTICEat the end of this datasheetaddressesavailability,warranty, changes,use in safety-criticalapplications,intellectual propertymattersand AUGUST2010 Applicationand Pin Configurationand Deviceand EquivalentInputand Mechanical,Packaging,and Orderable8 RevisionHistoryNOTE:Pagenumbersfor previousrevisionsmay differfrompagenumbersin the (September2012)to RevisionDPage AddedPin Configurationand Functionssection,ESDR atings table,FeatureDescriptionsection,DeviceFu nctionalModes,Applicationand Implementationsection,PowerSupplyRecomme ndationssection,Layoutsection,Deviceand DocumentationSupportsection,andMechanica l,Packaging,and (June2012)to RevisionCPage Changedtypicalapplicationcircuit(interna llinearregulator), Changedtypicalapplicationcircuit(directp ower)

5 , Addedtypicalapplicationcircuitexample(di rectpowersupplyingVCC= 3 V to V, VLED= 15 V), 31 ChangesfromRevisionA (December2010)to RevisionBPage ChangedIOLKG parametertest Changedbit 217 descriptionin (August2010)to RevisionAPage Changedtypicalapplicationcircuit(interna llinearregulator)..1 Updatedbit namesfor BCR,BCG,and BCBin Changedtypicalapplicationcircuit(directp ower)..312 SubmitDocumentationFeedbackCopyright 2010 2015,TexasInstrumentsIncorporatedProduct FolderLinks:TLC5971 IREFGNDOUTR0 OUTG0 OUTB0 OUTR1 OUTG1 OUTB1 SDTISCKIVREGVCCOUTB3 OUTG3 OUTR3 OUTB2 OUTG2 OUTR2 SDTOSCKO1234567891020191817161514131211 PowerPAD(Bottom Side)SDTISCKINC(1)NCSCKOSDTOGNDNCIREFVRE GNCVCC123456181716151413 Thermal Pad(Bottom Side)

6 AUGUST2010 REVISEDDECEMBER20155 Pin Configurationand FunctionsPWPP ackageRGEP ackage20-PinHTSSOP24-PinVQFNB ottomViewBottomViewNC = not connectedPin FunctionsPINI/ODESCRIPTIONNAMEPWPRGESDTI 91 ISerialdatainputfor the 224-bitshift registerSerialdatashift SDTIare shiftedto the LSB of the 224-bitshift registerwith the SCKI risingedgeSCKI102 IDatain the shift registerare shiftedtowardthe MSBat MSBdataof the shift registerappearon the 224-bitshift connectedto the MSBof the 224-bitshift clockedout at the inputshift clocksignalfromSCKIis adjustedto the timingof the serialdataoutputfor SDTOand the signalis thenoutputat decouplingcapacitorof 1 F mustbe outputcan be usedfor externaldevicesVREG2015I/Oas a terminalcan be connectedwith the VREG terminalof otherdevicesto increasethe.

7 This pin can be suppliedwith 3 V to V fromanexternalpowersupplyby connectingit to resistorconnectedbetweenIREFand GNDsets the maximumcurrentfor everyconstant-IREF116 terminalis directlyconnectedto GND,all outputsare forcedoff. Theexternalresistorshouldbe placedcloseto the be configuredin parallelto increasethe be appliedto be configuredin parallelto increasethe be appliedto be configuredin parallelto increasethe be appliedto Power-supplyterminalCopyright 2010 2015,TexasInstrumentsIncorporatedSubmitD ocumentationFeedback3 ProductFolderLinks.

8 TLC5971 TLC5971 SBVS146D AUGUST2010 Functions(continued)PINI/ODESCRIPTIONNAM EPWPRGEGND,PowerPAD2 (PWP)PowergroundterminalGND,exposed 18 thermalpad (RGE)3, 4, 14,NC No internalconnection176 ,unlessotherwisenoted.(1)(2)MINMAXUNITS upplyvoltage,VCC + ,SCKI + OUTR3,OUTG0to OUTG3,OUTB0to OUTB3 ,SCKO + OUTR3,OUTG0to OUTG3,OUTB0to OUTB375mAOutputcurrent(DC)VREG 30mAOperatingjunctiontemperature,TJ (max)150 CStoragetemperature,Tstg 55150 C(1)StressesbeyondthoselistedunderAbsolu teMaximumRatingsmay causepermanentdamageto the stressratingsonly,and functionaloperationof the deviceat theseor any otherconditionsbeyondthoseindicatedunder RecommendedOperatingConditionsis not absolute-maximum-ratedconditionsfor extendedperiodsmay affectdevicereliability.

9 (2)All voltagevaluesare with respectto (HBM),per ANSI/ESDA/JEDECJS-001(1) 4000 ElectrostaticV(ESD)VdischargeCharged-dev icemodel(CDM),per JEDEC specificationJESD22-C101(2) 2000(1)JEDEC documentJEP155statesthat 500-VHBM allowssafe manufacturingwith a standardESDcontrolprocess.(2)JEDEC documentJEP157statesthat 250-VCDM allowssafe manufacturingwith a TA= 40 C to +85 C, and VCC= 6 V to 17 V or VCC= VREG= 3 V to V, CHARACTERISTICSVCCS upplyvoltage,internalvoltageregulatoruse d617 VVREGS upplyvoltage,VREG connectedto outputVO17V(OUTR0to OUTR3,OUTG0to OUTG3,OUTB0to OUTB3)VIHHigh-levelinputvoltage(SDTI,SCK I) VREGVREGVVILLow-levelinputvoltage(SDTI,S CKI) VREGVVIHYSI nputvoltagehysteresis(SDTI,SCKI) VREGVIOHHigh-leveloutputcurrent(SDTO)

10 2mAIOLLow-leveloutputcurrent(SDTO)2mACon stantoutputsink currentIOLC60mA(OUTR0to OUTR3,OUTG0to OUTG3,OUTB0to OUTB3)4 SubmitDocumentationFeedbackCopyright 2010 2015, AUGUST2010 REVISEDDECEMBER2015 RecommendedOperatingConditions(continued )at TA= 40 C to +85 C, and VCC= 6 V to 17 V or VCC= VREG= 3 V to V, (VREG) 25mATAO peratingfree temperaturerange 4085 CTJO peratingjunctiontemperature 40125 CAC CHARACTERISTICSfCLK(SCKI)Dataclockfreque ncyand GS controlclockfrequency, ,SCKI10nstSUSetuptime,SDTI SCKI 5nstHHoldtime,SDTI SCKI (1)PWP(HTSSOP)RGE(VQFN)UNIT20 PINS24 PINS C/W JCtopJunction-to-case(top) C/W C/W C/W C/W JCbotJunction-to-case(bottom) C/W(1)


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