WMSIC Electronic Components

worldsemi WS2812E-2020 WS2812E

ModelWS2812E-2020
PackageSMD-4P,2.2x2mm
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 WS2812E-2020
Type
WORLDSEMI
Minimum package
4500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
WORLDSEMI
Electronic Component
WS2812E-2020
Electronic Component
1
Package
SMD-4P,2.2x2mm
Electronic Component
R:620nm~625nm;B:449nm~454nm;G:520nm~525nm
Electronic Component
RGB LED(Built-in IC)
Electronic Component
0.049g
Electronic Component
2.2mm
Electronic Component
2mm
Electronic Component
1
Features
Built-in positions; Integrated; Built-in positions
LED
G:680mcd~960mcd;R:200mcd~300mcd;B:70mcd~100mcd
Electronic Component
BM0264717389
Operating Temperature
40℃~+65℃
Operating Voltage
3.7V~5.3V

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

WS2812E-2020 产品概述

WS2812E-2020 是 worldsemi 推出的一款小尺寸内置 IC 的三色全彩灯珠,采用 SMD-4P 封装(2.2×2.0mm),面向小型产品和车载氛围灯等对体积、成本和单点控制有较高要求的应用场景。器件集成智能驱动与保护电路,使用便捷、性价比高,适合单点单控和点阵、线性灯带等应用。

一、主要参数概览

  • 波长(典型范围)
    • R:620nm ~ 625nm
    • G:520nm ~ 525nm
    • B:449nm ~ 454nm
  • 发光强度(单色)
    • G:680mcd ~ 960mcd
    • R:200mcd ~ 300mcd
    • B:70mcd ~ 100mcd
  • 驱动与通讯
    • 数据速率:800 Kbit/s(单线串行协议兼容常见 800kHz WS281x 家族)
    • 工作电压:3.7 V ~ 5.3 V(推荐 5V 系统直接驱动)
  • 环境与可靠性
    • 工作温度:-40 ℃ ~ +65 ℃
    • 抗静电能力:4000 V
  • 机械尺寸
    • 长度:2.2 mm,厚度/高度:2.0 mm
    • 封装:SMD-4P,方便贴片工艺和自动化组装

二、功能特性(芯片集成功能)

  • 内置上电复位电路:上电时自动复位,避免上电毛刺导致错误显示;
  • 内置掉电复位电路:断电或电压异常时输出安全复位态,提升可靠性;
  • 集成智能反向连接保护:防止电源反接损坏器件,增强系统容错能力;
  • 内置驱动 IC:单线数据输入、内部分配 RGB 驱动,支持精确亮度与色彩控制。

三、产品优势

  • 极小体积(2.2×2.0 mm),适配微型化产品和空间受限的布局;
  • 内置 IC,省去外部驱动器件,简化电路设计与 BOM 成本;
  • 成本效益高,适合大批量应用场景对价格敏感的项目;
  • 较宽工作电压范围(3.7~5.3 V),与常见锂电池/5V 系统兼容性好;
  • 汽车级温度范围与抗静电能力,适用于车内氛围灯等要求更高可靠性的场合。

四、典型应用场景

  • 小尺寸终端产品:便携玩具、手持设备、可穿戴饰品等需要小颗数点光源的产品;
  • 汽车氛围灯:内饰单点装饰灯、门板/仪表背景灯等(注意车规电源与 EMC 设计);
  • 单点单控照明:需要单颗独立寻址、单独效果呈现的交互式灯光设计;
  • 微型灯带与点阵:高密度排列的像素化显示或装饰光源。

五、设计与使用建议

  • 电源与去耦:尽管器件支持 3.7~5.3 V,建议在每组或每若干颗灯附近放置去耦电容,保证数据稳定性与瞬态电流供应;
  • 电平兼容:若 MCU 为 3.3 V 输出且使用 5 V 灯串,建议使用电平移位或确保数据输入最低识别电平满足器件要求;
  • 温控与散热:在高亮度长时间点亮场景下注意 PCB 散热与布线,避免局部温升影响寿命;
  • ESD 防护:器件本身具备 4000 V 抗静电能力,但在装配与安装时仍建议采取基本防静电措施;
  • 焊接工艺:SMD-4P 小封装适配常规回流焊工艺,需参照厂家推荐的回流温度曲线以保证可靠性;
  • 串联与地址分配:支持 800 kbit/s 的单线串行数据协议,适合串联构建可寻址像素阵列;若采用“单点单控”模式,可单独驱动每颗灯以实现更灵活的效果。

六、品牌与封装信息

  • 品牌:worldsemi
  • 型号:WS2812E-2020(SMD-4P 封装)
  • 封装尺寸:2.2 × 2.0 mm,适合贴片生产与微型化布局

总结:WS2812E-2020 为一款面向小尺寸与车载氛围等应用的高性价比内置 IC 幻彩灯珠,集成复位、反向保护等功能,支持 800Kbit/s 单线数据协议,提供稳定的色彩表现与易用的工程集成特性。适合在体积受限、需独立像素控制的场景中作为首选光源。

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