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SM18512PS Protocol and datasheet

Time:2023-05-02 Views:569
1.SM18512PS, DMX512 RGB/ RGBW Driver IC Feature:

■ SOP10 package,Four channel constant current output,default current 18mA/CH

■ Compatible with DMX512 (1990) Protocol

■ Differential signal data rate 200-750kbps

■ The PWM scanning frequency 4KHz

■ Max 4096 channel are addressable

■ First chip output red color and other chips output green color once writing address successfully.

■ First chip output red color and other chips output setting color once writing parameter successfully.

■ First chip output red color and other chips output yellow color once writing current gain successfully.

■ First chip output red color and other chips output purple color auto addressable successfully.

■ Chip address wire self inspection when it is open.

■ No signal input over 2 second, Display last frame effect or default effect.

■ Built-in channel 1/2/3/4 selection function

■ The R/G/B/W output ports withstand value max 40V

■Out R/G/B/W, 5bit current gain adjustable.


2.Pin Define and description:

                
                                               

No.

Symbol

Function description

1

GND

Ground

2

ADRO

Address enable signal output

3-6

 OUTW/R/G/B

                  R/G/B/W Constant current output

7

B

Differential signal- input

8

A

Differential signal+ input

9

ADRI

Address enable signal input

7

VDD

Power supply



3. The  protocol Please check   SM18512PS datasheet
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