1938 Datasheet 1938, 1586, 1643 | P4-P5

WS2812

IntelligentcontrolLED

integratedlightsource

http://www.world-semi.com

LEDcharacteristicparameter

EmittingcolorWavelength(nm)Luminousintensity(mcd)Current(mA)Voltage(V)

Red

620-630550-700201.8-2.2

Green

515-5301100-1400203.0-3.2

Blue

465-475200-400203.2-3.4

Datatransfertime(TH+TL=1.25µs±600ns)

T0H0code,highvoltagetime0.35us±150ns

T1H1code,highvoltagetime0.7us±150ns

T0L0code,lowvoltagetime0.8us±150ns

T1L1code,lowvoltagetime0.6us±150ns

RESlowvoltagetimeAbove50µs

Sequencechart:

0 c o d e

1 c o d e

R E T c o d e

T 0 H

T 0 L

T 1 H

T 1 L

T r e s e t

Cascademethod:

D I N D I N D I ND O D O D O

P I X 1

D 1

D 2

D 3

D 4

P I X 2

P I X 3

WS2812

IntelligentcontrolLED

integratedlightsource

http://www.world-semi.com

Datatransmissionmethod：

Note:ThedataofD1issendbyMCU,andD2,D3,D4throughpixelinternalreshapingamplificationto

transmit.

Compositionof24bitdata:

G7G6G5G4G3G2G1G0R7R6R5R4R3R2R1R0B7B6B5B4B3B2B1B0

Note:FollowtheorderofGRBtosentdataandthehighbitsentatfirst.

Typicalapplicationcircuit:

D a t a r e f r e s h c y c l e 1

D a t a r e f r e s h c y c l e 2

f i r s t 2 4 b i t

s e c o n d

2 4 b i t

t h i r d 2 4 b i t

f i r s t 2 4 b i t

s e c o n d

2 4 b i t

t h i r d 2 4 b i t

s e c o n d

2 4 b i t

t h i r d 2 4 b i t

s e c o n d

2 4 b i t

t h i r d 2 4 b i t

t h i r d 2 4 b i t t h i r d 2 4 b i t

D 1

D 2

D 3

D 4

r e s e t c o d e

> = 5 0 u s

r e s e t

c o d e

P1-P3 P4-P5

1938

Mfr. #:

Buy 1938

Manufacturer:

Keithley

Description:

Mounting Hardware FIXED RACK MOUNTING KIT

Lifecycle:

New from this manufacturer.

Delivery:

DHL FedEx Ups TNT EMS

Payment:

T/T Paypal Visa MoneyGram Western Union

1938

1938

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