APA104
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www.szledcolor.comAPA104LEDCHIPFeaturesandBenefitsIntelligentreverseconnectprotection,thepowersupplyreverseconnectiondoesnotdamagetheIC.ThecontrolcircuitandtheLEDsharetheonlypowersource.ControlcircuitandRGBchipareintegratedinapackageof5050components,formacompletecontrolofpixelpoint.Built-insignalreshapingcircuit,afterwavereshapingtothenextdriver,ensurewave-formdistortionnotaccumulate.Built-inelectricresetcircuitandpowerlostresetcircuit.Eachpixelofthethreeprimarycolorcanachieve256brightnessdisplay,completed16777216colorfullcolordisplay,andscanfrequencynotlessthan400Hz/s.Cascadingporttransmissionsignalbysingleline.Anytwopointthedistancemorethan5mtransmissionsignalwithoutanyincreasecircuit.Whentherefreshrateis30fps,cascadenumberarenotlessthan1024points.Senddataatspeedsof800Kbps.Thecolorofthelightwerehighlyconsistent,cost-effective..ApplicationsFull-colormodule,Fullcolorsoftlightsalampstrip.LEDdecorativelighting,Indoor/outdoorLEDvideoirregularscreen.
GeneraldescriptionAPA104isaintelligentcontrolLEDlightsourcethatthecontrolcircuitandRGBchipareintegratedinapackageof5050components.Itinternalincludeintelligentdigitalportdatalatchandsignalreshapingamplificationdrivecircuit.Alsoincludeaprecisioninternaloscillatoranda12Vvoltageprogrammableconstantcurre-ntcontrolpart,effectivelyensuringthepixelpointlightcolorheightconsistent.ThedatatransferprotocolusesingleNZRcommunicationmode.Afterthepixelpower-onreset,theDINportreceivedatafromcontroller,thefirstpixelcollectinitial24bitdatathensenttotheinternaldatalatch,theotherdatawhichreshapingbytheinternalsignalreshapingamplificationcircuitsenttothenextcascadepixelthroughtheDOport.Aftertransmissionforeachpixel,thesignaltoreduce24bit.pixeladoptautoresha-pingtransmittechnology,makingthepixelcascadenumberisnotlimitedthesignaltransmission,onlydependonthespeedofsignaltransmission.LEDwithlowdrivingvoltage,environmentalprotectionandenergysaving,highbrightness,scatteringangleislarge,goodconsistency,lowpower,longlifeandotheradvantages.ThecontrolchipintegratedinLEDabovebecomingmoresimplecircuit,smallvolume,convenientinstallation.www.szledcolor.com
MechanicalDimensionsPINconfigurationPINfunctionNO.SymbolFunctiondescription1VDDPowersupplyLED2DOUTControldatasignaloutput3VSSGround4DINControldatasignalinputwww.szledcolor.com
AbsoluteMaximumRatingsPrameterSymbolRatingsUnitPowersupplyvoltageVDD+3.5~+5.3VInputvoltageVI-0.5~VDD+0.5VOperationjunctiontemperatureTopt-25~+80℃
StoragetemperaturerangeTstg-40~+150℃ElectricalCharacteristics(TA=-20~+70℃,VDD=4.5~5.5V,VSS=0V,unlessotherwisespecified)PrameterSmybolconditionsMinTpyMaxUnitInputcurrentIIVI=VDD/VSS————±1µA
InputvoltagelevelVIHDIN,SET0.7VDD————VVILDIN,SET————0.3VDDVHysteresisvoltageVHDIN,SET——0.35——V
Switchingcharacteristics(TA=-20~+70℃,VDD=4.5~5.5V,VSS=0V,unlessotherwisespecified)
PrameterSymbolConditionMinTpyMaxUnitOperationfrequencyFosc2————800——KHzTransmissiondelaytimetPLZCL=15pF,DIN→DOUT,RL=10KΩ————300ns
FalltimetTHZCL=300pF,OUTR/OUTG/OUTB————120µsInputcapcityCI——————15pFwww.szledcolor.com
LEDcharacteristicparameterEmittingcolorModelWavelength(nm)Luminousintensity(mcd)Voltage(V)Red10RIMUX620-625390-4202.0-2.2
Green13CGAUP522-525660-7203.0-3.4
Blue13CBAUP465-467180-2003.0-3.4
Datatransfertime(TH+TL=1.25µs±600ns)T0H0code,highvoltagetime0.35us±150nsT1H1code,highvoltagetime1.36us±150nsT0L0code,lowvoltagetime1.36us±150nsT1L1code,lowvoltagetime0.35us±150nsRESlowvoltagetimeAbove24µsSequencechart:0code
1codeRETcode
T0HT0LT1HT1LTresetwww.szledcolor.com
Cascademethod:DINDINDINDODODOPIX1
D1D2D3
D4
PIX2PIX3www.szledcolor.com
Datatransmissionmethod:
Note:ThedataofD1issendbyMCU,andD2,D3,D4throughpixelinternalreshapingamplificationtotransmit.
Compositionof24bitdata:R7R6R5R4R3R2R1R0G7G6G5G4G3G2G1G0B7B6B5B4B3B2B1B0Note:FollowtheorderofRGBtosentdataandthehighbitsentatfirst.
Data refresh cycle 1Data refresh cycle 2
first 24bitsecond 24bit third 24bitfirst 24bitsecond 24bit third 24bit
second 24bit third 24bitsecond 24bit third 24bit
third 24bitthird 24bit
D1D2D3D4
reset code >=50usreset
code