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WS2812B 其他数据使用手册 - Worldsemi
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Worldsemi
封装:
5050
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集成光源
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WS2812B数据手册
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WS2812B
IntelligentcontrolLED
integratedlightsource
http://www.world-semi.com
FeaturesandBenefits
lThecontrolcircuitandtheLEDsharetheonly
powersource.
lControlcircuitandRGBchipareintegratedina
packageof5050components,formacomplete
controlofpixelpoint.
lBuilt-insignalreshapingcircuit,afterwave
reshapingtothenextdriver,ensurewave-form
distortionnotaccumulate.
lBuilt-inelectricresetcircuitandpowerlostreset
circuit.
lEachpixelofthethreeprimarycolorcanachieve
256brightnessdisplay,completed16777216color
fullcolordisplay,andscanfrequencynotlessthan
400Hz/s.
lCascadingporttransmissionsignalbysingleline.
lAnytwopointthedistancedoesnotexceed3m
transmissionsignalwithoutanyincreasecircuit.
lWhentherefreshrateis30fps,cascadenumberare
notlessthan1024points.
lSenddataatspeedsof800Kbps.
lThecolorofthelightwerehighlyconsistent,
cost-effective..
Applications
lFull-colormodule,Fullcolorsoftlightsalampstrip.
lLEDdecorativelighting,Indoor/outdoorLEDvideo
irregularscreen.
Generaldescription
WS2812BisaintelligentcontrolLEDlightsourcethatthecontrolcircuitandRGBchipareintegratedin
apackageof5050components.Itinternalincludeintelligentdigitalportdatalatchandsignalreshapingampli
ficationdrivecircuit.Alsoincludeaprecisioninternaloscillatoranda12Vvoltageprogrammableconstantcurr
e-ntcontrolpart,
effectivelyensuringthepixelpointlightcolorheightconsistent.
ThedatatransferprotocolusesingleNZRcommunicationmode.Afterthepixelpower-onreset,theDIN
portreceivedatafromcontroller,thefirstpixelcollectinitial24bitdatathensenttotheinternaldatalatch,
theotherdatawhichreshapingbytheinternalsignalreshapingamplificationcircuitsenttothenextcascade
pixelthroughtheDOport.Aftertransmissionforeachpixel，thesignaltoreduce24bit.pixeladoptautoresha
-pingtransmittechnology,makingthepixelcascadenumberisnotlimitedthesignaltransmission,onlydepend
onthespeedofsignaltransmission.
LEDwithlowdrivingvoltage,environmentalprotectionandenergysaving,highbrightness,scatteringangle
islarge,goodconsistency,lowpower,longlifeandotheradvantages.ThecontrolchipintegratedinLED
abovebecomingmoresimplecircuit,smallvolume,convenientinstallation.
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