WS2812 B- 2020 I n tel l i gen t co n t rol LED i n teg ra t ed l i gh t s o urce Fe atu res an d B en ef i ts Th e c o n tro l in te gr a te d c irc u it a n d th e LED s h a re th e o n ly p o w e r s o u rc e . 1 2mA o p e ra tin g c u rre n t p e r c h a nn e l. Co n tro l c irc u it a n d RG B c h ip a re in te gr a te d in a p a c ka ge o f 2 0 2 0 c o mp o n e n ts , to fo rm a c o mp le te a d d re s s a ble p ixe l. Bu ilt-i n s ign a l re s h a p in g c irc u it, a fte r w a ve re s h a p in g to th e n e xt d rive r, e n s ure w a ve -fo rm d is to rtio n n o t a c c u mu la te . Bu ilt-i n e le c tric re s e t c irc u it a n d p o w e r lo s t re s e t c irc u it. Ea c h p ixe l o f th e th re e p rim a ry c o lo r c a n a c h ie ve 2 5 6 b righ t n e s s d is p la y, c o mp le te d 1 6 77 7 2 16 c o lo r fu ll c o lo r d is p la y, a n d s c a n fre q u e n c y is o f 2 K H z . Ca s c a d in g p o rt tra n s m is s io n s ign a l b y s in gl e lin e . A n y tw o p o in t th e d is ta n c e n o t m o re th a n 3 m tra n s m is s io n s ign a l w ith o u t a n y in c re a s e c irc u it. Wh e n th e re fre s h ra te is 3 0 fp s , c a s c a d e n u mb e r a re n o t le s s th a n 1 0 2 4 p ixe ls . Se n d d a ta a t s p e e d s o f 8 0 0 Kb p s . Th e c o lo r o f th e ligh t is h igh ly c o n s is te n t, c o s t-e ff e c tiv e . With re ve rs e p o w e r c o n n ec tio n , it w ill n o t b e d a ma ge d . A ll e xte rn a l e le c tro n ic c o mp o n e n ts in c lu d in g c a p a c ito rs a re n o t re q u ire d . Ap p l icati on s Co n s u me r Ele c tro n ic s , LED ligh t in g. LED d e c o ra tive ligh t in g , In d o o r/o u td oo r LED irre gu l a r s c re e n, ga m e m a c h in e a n d a mu s e m e n t e q u ip me n t e tc . Ge n eral d es cri p ti on WS 2 8 1 2 B-2 0 2 0 is a n in te llige n t c o n tro l LED ligh t s o u rc e, its e xte ri o r a d o p ts th e la te s t MO LD IN G p a c ka gin g te c h n o lo gy, th e c o n tro l c irc u it a n d RG B c h ips a re in te gra te d in a p a c ka ge o f 2 0 2 0 c o mp o n e n t. It s in te rn a l in c lu d es in te llige n t d igit a l p o rt d a ta la tc h a n d s ign a l re s h a p in g a mp li fic a tio n d rive c irc u it. A ls o in c lu d e a p re c is io n in te rn a l o s c illa to r a n d a vo lt a ge p ro gra m m a b le c o n s ta n t c u rre n t c o n tro l p a rt, e ffe c tive ly e n s urin g th e p ixe l p o in t ligh t c o lo r h e igh t c o ns is te n t. Th e d a ta tra n s fe r p ro to c ol u s e s in gle N ZR c o mm u n ic a tio n mo d e . A fte r th e p ixe l p o w e r-o n re s e t, th e D IN p o rt re c e ive d a ta fro m c o n tro lle r, th e firs t p ixe l c o lle c t in itia l 2 4 b it d a ta th e n s e n t to th e in te rn a l d a ta la tc h , th e o th e r d a ta w h ic h re s h a p in g b y th e in te rn a l s ign a l re s h a p in g a mp li fic a tio n c irc u it s e n t to th e n e xt c a s c a d e p ixe l th ro u gh th e D O p o rt. A fte r tra n s mi s s io n fo r e a c h p ixe l, th e s ign a l to re d u c e 2 4 b it. p ixe l a d o p t a u to re s h a p in g tra n s m it te c h n o lo gy, ma k in g th e p ixe l c a s c ad e n u mb e r is n o t lim it e d th e s ign a l tra n s m is s io n , o n ly d e p en d o n th e s p e e d o f s ign a l tra n s m is s io n . RES ET tim e > 2 8 0 s , it w o n t c a u s e w ro n g re s e t w h ile in te rru p tio n , it s u p p o rts th e lo w e r fre q u e n c y a n d in e xp e n s iv e MC U . Re fre s h Fre q u e n c y u p d a te s to 2 K H z , Lo w Fra m e Fre q u e n c y a n d N o Fli c ke r a p p e a r in H D Vid e o Ca m e ra , it im p ro ve e xc e lle n t d is p la y e ffe c t. LED w ith lo w d rivi n g vo lt a ge , e n viro n m e n ta l p ro te c tio n a n d e n e rgy s a vin g, h igh b righ tn e s s , la rge s c a tte rin g a n gle , go o d c o n s is te n c y, lo w p o w e r, lo n g life a n d o th e r a d va n ta ge s . Th e c o n tro l c h ip in te gr a te d in LED a b ove b e c omi n g m o re s im p le c irc u it, s m a ll vo lu m e , c o n ve n ie n t in s ta lla t io n . Mech an i cal Di men s i on s 1 / 9WS2812 B- 2020 I n tel l i gen t co n t rol LED i n teg ra t ed l i gh t s o urce B a c k Vie w Top Vie w Sid e Vie w PC B So ld e r Pa d PI N Con fi gu ra ti on PI N F u ncti on NO . S ymb ol PI N Fu n cti on d es cri p ti on 1 D O D ATA O U T Co n tro l d a ta s ign a l o u tp u t 2 G N D G RO U N D G ro u n d, d a ta & p o w e r gro u n d in g 3 D I D ATA IN Co n tro l d a ta s ign a l in p u t 4 V D D PO WE R SU P P LY Po w e r s u p p ly 2 / 9