User Manual

WS2812B
Intelligent control LED
integrated light source
Prameter
conditions
Min
Tpy
Max
Unit
Input current
V
I
=V
DD
/V
SS
——
——
±1
µA
Input voltage level
D
IN
SET
0.7V
DD
——
——
V
D
IN
SET
——
——
0.3 V
DD
V
Hysteresis voltage
D
IN
SET
——
0.35
——
V
Switching characteristicsT
A
=-20+70V
DD
=4.55.5V,V
SS
=0V,unless otherwise specified
Prameter
Symbol
Condition
Min
Tpy
Max
Unit
Transmission delay
time
t
PLZ
CL=15pF,DIN→
DOUT,RL=10KΩ
——
——
300
ns
Fall time
t
THZ
CL=300pF,OUTR/OU
TG/OUTB
——
——
120
µs
Input capcity
C
I
——
——
——
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
Sequence chart: