WS2816B-2121: 16BIT 3-CHANNEL CONSTANT CURRENT DIGITAL LED BREAKPOINT CONTINUOUS TRANSMISSION LED LIGHT SOURCE

Overview:
The WS2816B-2121 is a cutting-edge digital led developed for high-defining imaging applications.With Each Channel Offering Up To 16-Bit Grayscale Data and an Internal 4-Bit Gamma Correction, It Achieves at 20-bit Display Effect.The Port Refresh Rate is High at 10khz, and the RGB Color Ratio is 3: 6: 1, Making It Highly Suitable for Large Display Screen Imaging.

Key Features:

Integrated Design: The IC Control Circuit Shares A Single Power Supply with the Led Point Light Source.
Compact 2121 Package: The Control Circuit and RGB Chips are integrated into One Component, Forming the External Control Pixel Point.
Signal Reshaping: Built-in Signal Reshaping Circuit in WaveForm Distortion Accumulation.
Reset Circuits: Power-On and Power-Off Reset Circuits.
High Gray Levels: Oct R/G/B Output Grayscale Levels: 65536 Levels (With Built-in 4Bit Gamma Correction).
High Scanning Frequency: 10khz Port Scanning Frequency.
Serial Cascading Interface: Data reception and decoding through the single Signal Line.
Ultra-compact size: 2.1mm x 2.1mm x 1mm (height).
Standard Brightness Ratio: Adheres to Display Standard 3: 6: 1 Brightness ratio.
White light color temperature: 6000k ± 500.
Applications:

LED TRANSPARENT SCREENS, LED PIXEL SCREEENS, IRRECEL LED SCREEns, AND VARIOUS ELECTRONIC PRODUCTS.
Mechanical Dimensions and Pin Arrangement:

Detailed Pin functions and mechanical dimensions are provided in the diagrams.
PIN FUNCTIONS:

BI - Assistant Data Input.
DI - Input Date.
VDD - Power Supply.
Do - Date Output.
BO - Assistant Data Output.
GND - Ground.
Absolute Maximum Ratings:

Power Supply Voltage (VDD): +3.7 to +5.5 V.
LOGIC INPUT VOLTAGE (VI): -0.3V TO VDD + 0.7 V.
Electric Characteristics:

Transmission Delay Time (TPLZ): 300 ns.
Fall Time (Tthz): 120 µs.
Input Capacitance (CI): 15 pf.
LED CHARACTERISTICS:

Intensity: Red 210-360 MCD, Green 420-720 MCD, Blue 70-120 MCD.
Wavelength: Red 620-625 Nm, Green 522-527 Nm, Blue 470-475 nm.
COLOR COORDINATES: x = 0.32, y = 0.33, CCT: 6000k ± 500.
TRANSMISSION DATE TIMING:

T0H (0 code, high level time): 200ns to 320ns.
T1H (1 code, high level time): 520ns to 800ns.
T0L (0 code, low level time): 800ns to 1.2µs.
T1L (1 code, low level time): 480ns to 1µs.
RES (Frame Unit, Low Level Time): 280µs and Above.
Date Transmission Method:

The Initial 48-bit Data is Sent by the MCU, with subsequent data transmitted Through Internal Signal Reshaping and Amplification.
48-bit Data Structure:

DATE TRANSPORTED IN THE ORDER OF GRB, WITH THE MOST SIGNENT BIT FIRST.
Typical Application Circuit:

In the peripheral components are refrapped for the external circuit.
Packaging and Quantity:

4000pcs per bag.
Surface Mount Led Usage Precautions:

Detailed Instructions for Handling, Cleaning, and SMT Process Are Given.
Reflow Soldering:

Adherence to Jedec J-STD-020C Standard Recommended.
Document Revision History:

Version 1.0: Initial release.
Version 1.1: PCB Layout Description Removed