Micro LEDs WS2812-2020

This high density pixel linear worked as a demo /example. we're testing this new Micro chip named 

ws2812-2020. LED quantity 46pcs, size :170*6*2mm, (Pitch :P3.69) compare to our another APA102-2020 

hard bar , this new chip runing with much small Amper , so it's not as hot as the old bar. but still i noted 

that there are few pcs LED burned ,hope world semi could fix or improve it as soon as forgot to say 

this chip is double wire signal