XL-3535RGBWC-WS2812B: Integrated LED with WS2812B Driver

💡 Key Takeaways
• XL-3535RGBWC-WS2812B integrates 3.5x3.5x1.3mm RGBW LED with WS2812B driver IC in compact 5-level MSL package
• Supports 800Kbps data transmission with 30 FPS refresh rate for 1024+ point cascading applications
• Operating temperature -40°C to +85°C with 3000V ESD protection for harsh lighting environments

🎯 Opening
XL-3535RGBWC-WS2812B represents an integrated LED solution combining RGBW illumination capabilities with WS2812B addressable driver technology in a 3.5x3.5x1.3mm package suitable for SMT automated production.

📊 Product Specifications

Physical Dimensions: 3.5x3.5x1.3mm (L/W/H)

Color Configuration: RGBW with transparent colloid

Environmental Compliance: ROHS directive compliant

Moisture Sensitivity Level: MSL 5

Packaging Standard: EIA standard packaging compliant

Production Method: Suitable for SMT pick-and-place automation

🎨 Application Scenarios

This LED module supports diverse lighting applications including:

• LED full-color luminous character strings
• LED full-color modules
• LED magic color soft and hard light strips
• LED guardrail tubes
• LED heterogenous screens
• Scene lighting applications
• Various electronic products and equipment running lights

⚙️ WS2812B Functional Characteristics

1. Integrated Design
   3535 lamp bead integrates high-quality external single-line cascade constant current IC with premium RGBW LED chips, compact size with simple peripheral design.

2. Precision Control
   Built-in IC provides high constant current precision with internal RGBW chip pre-optical processing, delivering high uniformity and pure white light effects.

3. Cascading Technology
   Plastic forwarding enhancement technology enables single-line data transmission with unlimited cascading capability.

4. Data Transmission
   Data transmission frequency: 800Kbps per second
   Screen refresh rate: 30 frames per second (not less than 1024 points)

5. PWM Control
   Output port PWM control enables 256-level grayscale adjustment
   Port scan frequency: 1.5 KHz per second

6. Constant Current Mode
   Optimized preset 5 mA per channel constant current mode maximizes low-voltage drive cascading quantity.
   Constant current accuracy: intrachip error less than 1.5%, interchip error less than 3%

7. Low Voltage Enhancement
   Built-in low-voltage reinforcement module ensures 100% normal operation at VDD above 4.5-5.5V.

📋 Electrical Parameters (Ta=25°C)

Absolute Maximum Ratings:

Supply Voltage (VDD): 3.5-5.5V

Logic Input Voltage (VDI): -0.5 to VDD+5.5V

Output Port Withstand Voltage (VOUT): 14V

Operating Temperature (Topr): -40°C to +85°C

Storage Temperature (Tstg): -40°C to +85°C

Wave Soldering Temperature (Tsol): 260°C for 6 seconds

ESD Sensitivity: 3000V (HBM)

🔬 Optical Characteristics (Test Conditions)

Red (R):
Forward Current (IF=8mA): -400 to -850 mcd
Typical (IF=8mA): -850 mcd
Maximum (IF=16.5mA): -300 mcd

Green (G):
Forward Current (IF=8mA): 620 to 630 nm
Typical (IF=8mA): 630 nm
Maximum (IF=16.5mA): 520 nm

Blue (B):
Forward Current (IF=8mA): 460 to 475 nm
Typical (IF=8mA): 475 nm
Maximum (IF=16.5mA): 470 nm

White (W):
Forward Current (IF=16.5mA): 6000 to -7000 K
Typical (IF=16.5mA): 7000 K
Peak Wavelength (λp): 625 nm

Half Light Angle (θ1/2): 120°

✨ Conclusion
XL-3535RGBWC-WS2812B provides a compact integrated LED solution for decorative and signage lighting applications. The combination of WS2812B addressable driver technology with RGBW color capabilities, 800Kbps data transmission, and wide operating temperature range makes it suitable for demanding lighting environments requiring reliable performance and color consistency.