Description
Individually addressable RGB LEDs using the popular WS2812B protocol. (aka Neopixels)
PIN function
|
NO. |
Symbol |
Function description |
|
1 |
VDD |
Power supply LED |
|
2 |
DOUT |
Control data signal output |
|
3 |
VSS |
Ground |
|
4 |
DIN |
Control data signal input |
Absolute Maximum Ratings
|
Prameter |
Symbol |
Ratings |
Unit |
|
Power supply voltage |
VDD |
+3.5~+5.3 |
V |
|
Input voltage |
VI |
-0.5~VDD+0.5 |
V |
|
Operation junction temperature |
Topt |
-25~+80 |
|
|
Storage temperature range |
Tstg |
-40~+105 |
|
Electrical Characteristics(TA=-20~+70,VDD=4.5~5.5V,VSS=0V,unless otherwise specified)
|
Prameter |
Smybol |
conditions |
Min |
Tpy |
Max |
Unit |
|
Input current |
II |
VI=VDD/VSS |
—— |
—— |
±1 |
µA |
|
Input voltage level |
VIH |
DIN,SET |
0.7VDD |
—— |
—— |
V |
|
VIL |
DIN,SET |
—— |
—— |
0.3 VDD |
V |
|
|
Hysteresis voltage |
VH |
DIN,SET |
—— |
0.35 |
—— |
V |
Switching characteristics(TA=-20~+70,VDD=4.5~5.5V,VSS=0V,unless otherwise specified)
|
Prameter |
Symbol |
Condition |
Min |
Tpy |
Max |
Unit |
|
Transmission delay time |
tPLZ |
CL=15pF,DIN→
DOUT,RL=10KΩ |
—— |
—— |
300 |
ns |
|
Fall time |
tTHZ |
CL=300pF,OUTR/OUTG/OUTB |
—— |
—— |
120 |
µs |
|
Input capcity |
CI |
—— |
—— |
—— |
15 |
pF |
RGB IC characteristic parameter
|
Emitting color |
Model |
Wavelength(nm) |
Luminous intensity(mcd) |
Voltage(V) |
|
Red |
13CBAUP |
620-625 |
390-420 |
2.0-2.2 |
|
Green |
13CGAUP |
522-525 |
660-720 |
3.0-3.4 |
|
Blue |
10R1MUX |
465-467 |
180-200 |
3.0-3.4 |
Data transfer time( TH+TL=1.25µs±600ns)
|
T0H |
0 code ,high voltage time |
0.4us |
±150ns |
|
T1H |
1 code ,high voltage time |
0.8us |
±150ns |
|
T0L |
0 code , low voltage time |
0.85us |
±150ns |
|
T1L |
1 code ,low voltage time |
0.45us |
±150ns |
|
RES |
low voltage time |
Above 50µs |
|
