FeatureCMOSprocess,lowvoltage,lowconsumptionSynchronizationoftwo-lane
ChoosepositiveoutputornegativeRGBthree-colorLEDoutput8bit(256level)colorset,5bit(32level)brightnessadjustmentBuild-20maconstantcurrentoutput
Withself-detectionsignalbuildinsupportforcontinuousoscillationPWMoutput,canbemaintainedstaticscreen
ApplicationLEDlamp
LEDStrip,ledpixelmoduleLEDbillboardLEDscreen
PRODUCTSPECIFICATIONSColorMCDRefreshrateVoltagePowerConsumption0.2W(MAX:1W)Weight(g)AngleDimensions(mm)L*W*H5x5x1.4OperatingTemperature-40-70℃Fullcolor1677216R:500-650mcdG:370-530mcdB:120-165mcd400cycleDC5V1160（PINDescription）
NO.123456789101112131415
PINNAMEVDDVREGCKOSDOVENCSELPOLAROSCISDICKIREXTVSSGRB
I/OPOOOIIIIIIIPOOO
FUNCTIONPoweristerminal4.5Vregulatoroutput
SerieswiththeoutputclocksignalSerieswiththeoutputdataSelf-testfunctionselectionInverttheclocksignalcascadePositiveandnegativeoutputoptionsOscillatorinput
SerieswiththeinputdataSerieswiththeinputclocksignalConstantcurrentsourcetoadjustsidePowersupplynegativeterminalGreenLEDoutputRedLEDoutputBlueLEDoutput
(Blockdiagram)(AbsoluteMaximumRating)Supplyvolage---------------0.3-6.0V
Inputvoltage----------------VSS-0.3toVDD+0.3VOperatingtemperature-----------------40to+70℃Storagetemperature--------------------50to+125℃
Note:Stressabovethoselistedmaycausepermanentdamagetothedevices
(ElectricalCharacteristic)
SymbolVDDVIHVH
ParameterSupplyVoltageInputHighVoltageInputLowVoltage
Condition
Min.
Typ.5.0
0.7VDDVSS-0.3
MAXUnits5.5VDD+0.30.3VDD
VVV
LOLRINVREGFOSC
SinkCurrentVoltage(RGB)PullHigh
RegulatorVoltage(VREG)OscillatorFrequency
VDD=5V,VOL>1VVDD=5VVDD=5V
22.524.55704.5
26.5mAkΩVKHz
4.48004.71200
(FunctionDescription)(1)cascadingdatastructureTabdemN-LED
Globalbit:5bit(32level)brightnesssetting,whilecontrollingR,G,Bthree-colorconstantcurrentoutputvalue,ifsettheglobalbitforthe10000(16/31)istheoutputcurrentishalfagaintheoriginalPWMsettings
DATADrivingCurrentMSB←→LSB
000000/31000011/31000102/31·····1111030/311111131/31(max)
PWMinputandoutputsignalsRelations
DataMSB--000000000000000100000010········111111011111111011111111
DutyCycle0/256(min)1/2562/256253/256254/256255/256(max)
(2).ThenumberofpixelpersecondsenttotheCKIfrequency(FCKI)minustheStartFramebitdividedbythenumber40thenumberofLEDFramebit32,iftheCKIfrequency(FCKI)to512KHZ.Thepixelnumber(512000-40)/32=15998,ifthe50secondupdateViewscanbeconnectedinseriesLEDnumber15998/50=319.ToincreasethenumberofcascadedICCKIfrequency
(3).POLARtoempty,R,G,Bforthenegativeoutput;POLARaccessVSS,R,G,Bispositiveoutput
(4).VEN:self-detection
DATAfieldtothemiddleof3bitisB,G,RintheMSBoftheoppositephase,otherwiseregardedasinvaliddata.VENclosetotheemptywhentheself-detection;whenVENVSSthenactivatedself-detection
(5).CSELtoemptywhentheCKOandCKI,RP:CSELconnectedwithVSSwhentheCKOcomparedwithCKI.
Application
Circuit
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