WMSIC Electronic Components

worldsemi WS2812B-XF02/W WS2812B

ModelWS2812B-XF02/W
PackageSMD5050
BrandWORLDSEMI
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
worldsemi WS2812B-XF02/W
Type
WORLDSEMI
Minimum package
4500 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
WORLDSEMI
Electronic Component
WS2812B-XF02/W
Electronic Component
1
Electronic Component
5mm
Package
SMD5050
Electronic Component
R:620nm~625nm;G:518nm~523nm;B:450nm~455nm
Electronic Component
RGB LED(Built-in IC)
Electronic Component
0.16g
Electronic Component
5mm
Electronic Component
1.57mm
PWMFrequency
2kHz
Electronic Component
1
Features
Built-in positions; Built-in positions
LED
R:350mcd;B:110mcd;G:1050mcd
Electronic Component
BM0264717358

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

WS2812B-XF02/W 产品概述

一、产品简介

WS2812B-XF02/W 是 worldsemi 推出的高性价比全彩智能像素灯珠,采用 SMD5050 封装,集成了三色 LED 与单线串行驱动电路,便于级联控制与点阵显示。器件包含上电复位(Power-on Reset)与掉电复位(Power-down Reset)电路,增强了在电源波动场合下的可靠性与稳定性。典型应用包括装饰照明、舞台灯光、像素显示、智能家居背光等需要精确色彩控制的场景。

二、主要规格参数

  • 发光颜色(峰值波长):
    • R:620nm ~ 625nm
    • G:518nm ~ 523nm
    • B:450nm ~ 455nm
  • 发光强度(Iv,常温):
    • R:350 mcd
    • G:1050 mcd
    • B:110 mcd
  • PWM 频率:2 kHz(色彩亮度采用 PWM 控制)
  • 数据速率:800 kbit/s(单线串行传输,兼容 WS2812 标准时序)
  • 工作电压:3.7 V ~ 5.3 V
  • 静态电流(空闲无数据时):0.6 mA
  • 封装:SMD5050
  • 尺寸:长度 5 mm × 宽度 5 mm × 高度 1.57 mm
  • 功能:内置上电复位、内置掉电复位

三、功能特性

  • 三合一 RGB 器件,单点即可实现全彩显示,节省 PCB 空间与装配成本。
  • 内置驱动与缓存寄存器,支持级联控制,单线数据链路传输,最多可串接大量像素。
  • 上电复位与掉电复位电路,避免电源瞬变或断电时产生错误显示,提升系统可靠性。
  • PWM 控制实现细腻的亮度调节与色彩过渡,2 kHz 的 PWM 兼顾人眼无频闪感与驱动效率。
  • 兼容 WS2812B 协议生态,支持现有控制器与库(如 FastLED、NeoPixel)快速集成。

四、控制与电气注意事项

  • 通信协议:单线串行,800 kbit/s 固定速率,时序要求严格,请使用兼容时序的驱动程序或专用芯片。
  • 电平匹配:若控制器电压为 3.3 V 且 LED 工作电压为 5 V,建议增加电平移位电路或使用开漏/上拉方式以保证信号可靠传输。
  • 电源与滤波:建议在每颗或每若干颗模块电源端并联 0.1 μF 陶瓷电容以抑制瞬态噪声;长距布线需考虑电源注入(Power Injection)以防压降导致色彩不均。
  • 功耗估算:典型单颗在纯白(R+G+B 全亮)时电流可达约 60 mA(各色约 20 mA),在编排大量像素时须合理规划电源容量与散热。
  • 静态电流:无数据、低亮度时静态待机为 0.6 mA,适合低功耗场合的节能考虑。
  • 串联容量:虽然可级联大量像素,但建议在长链中每隔一定数量增加电源补偿点,避免末端亮度降落与色偏。

五、典型应用场景

  • 建筑与氛围照明:曲线灯带、轮廓光、环境氛围色彩营造。
  • 舞台与演出装置:可编程动态效果、像素点阵与道具照明。
  • 广告与标识屏:点阵文字、LOGO 动态展示。
  • 互动装置与可穿戴:低体积、高色彩控制的灯光元素。
  • 智能家居背光与情景灯光:与控制器结合实现多场景联动。

六、安装与可靠性建议

  • 焊接工艺:采用标准回流焊工艺,遵循 SMD5050 类元件的温度曲线。
  • PCB 布局:尽量将 VDD 与 GND 的回流路径短且粗,减少电源阻抗;为每颗灯珠预留足够焊盘与热孔,有助散热。
  • ESD 保护:在装配及测试环节注意防静电,避免损伤内置驱动电路。
  • 质量与测试:量产前建议做热循环与长时点亮测试,验证在目标环境(温度、振动、供电质量)下的稳定性。

WS2812B-XF02/W 以其集成度高、驱动简单和成本优势,适合对色彩灵活控制与模块化设计有需求的工程与创意项目。结合合理的电源与信号设计,可以在各类智能照明与显示系统中获得稳定且色彩丰富的表现。

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