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WS2821 датащи(PDF) 2 Page - WORLDSEMI CO., LIMITED

номер детали WS2821
подробное описание детали  256 Gray level Constant current LED driven IC
PDF  8 Pages
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производитель  WORLDSEMI [WORLDSEMI CO., LIMITED]
домашняя страница  http://www.world-semi.com/
Logo WORLDSEMI - WORLDSEMI CO., LIMITED

WS2821 датащи(HTML) 2 Page - WORLDSEMI CO., LIMITED

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WS2821
Parallel-Single wire-Three channels
256 Gray level Constant current LED driven IC
http://www.world-semi.com
PIN configuration
PIN Function
Pin NO.
Symbol
Pin Name
Pin description
1
GND
Chip Ground
Ground
2
NC
Non connection
Non connection
3
ADRO
Address output
Cascade address output port
4
ROUT
Driven output
R（Red LED）PWM control output,hight voltage PIN
5
GOUT
G（Green LED）PWM control output,hight voltage PIN
6
BOUT
B（Blue LED）PWM control output,hight voltage PIN
7
GND
Chip Ground
External adjustable resistor being connected to the
ground,control OUT（R/G/B）output current
8
DAI
Data input
Gray control data signal input port
9
REXT
Output current set port
External resistor,connect with the REXT and GND,used
to adjust the R/G/B OUT output current value
10
SPWM
PWM
output
polarity reversal
Default”1”:Three
channel
normal
output,(Non
connection or connect with VCC);
For”0”,(SPWM connect with the GND),three channels
output
polarity reversal
11
ADRI
Address input
Cascade address input port
12
VCC
Chip power supply
Power supply,typical application is 5V
13
NC
Non connection
Non connection
14
NC
Non connection
Non connection



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