WMSIC Electronic Components

worldsemi WS2812E-V5 WS2812E

ModelWS2812E-V5
PackageSMD5050-4P
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-V5
Type
WORLDSEMI
Minimum package
4500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
WORLDSEMI
Electronic Component
WS2812E-V5
Electronic Component
1
Electronic Component
5mm
Package
SMD5050-4P
Electronic Component
G:523nm;R:623nm;B:451nm
Electronic Component
RGB LED(Built-in IC)
Electronic Component
0.165g
Electronic Component
5mm
Electronic Component
1.57mm
PWMFrequency
2kHz
Electronic Component
1
Features
Built-in positions; Built-in positions
LED
B:110mcd;R:320mcd;G:1000mcd
Electronic Component
BM0225277442

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

WS2812E-V5 产品概述

一、产品简介

WS2812E-V5 是 worldsemi 推出的一款集成式可寻址 RGB 灯珠,封装为 SMD5050-4P,内置驱动控制芯片与三颗发光二极管。器件支持单线 800Kbit/s 数据协议,适用于像素化显示、灯带、智能家居与舞台照明等场景。器件在 3.7V 至 5.3V 电压范围内稳定工作,内置 PWM 驱动,PWM 频率为 2kHz,提供细腻的亮度控制和动态显示效果。

二、主要特性

  • 集成控制器与 RGB 发光单元,单颗像素独立寻址与亮度调节。
  • 标称数据速率:800Kbit/s,兼容常见单线串行协议。
  • 工作电压范围:3.7V ~ 5.3V(对电源瞬态有一定容忍性)。
  • PWM 频率:2kHz,适用于视觉无闪烁的动态效果与视频拍摄场景。
  • 发光峰值波长:R 623nm、G 523nm、B 451nm。
  • 发光强度(典型):R 320mcd、G 1000mcd、B 110mcd(在标准测试条件下)。
  • 封装:SMD5050-4P,便于贴片加工与自动贴装。
  • 品牌:worldsemi。

三、技术规格(依据提供参数)

  • 型号:WS2812E-V5
  • 封装形式:SMD5050-4P(集成 IC + RGB)
  • 波长:红 623nm、绿 523nm、蓝 451nm
  • 发光强度:R 320mcd、G 1000mcd、B 110mcd
  • 数据速率:800Kbit/s
  • 工作电压:3.7V~5.3V
  • PWM 频率:2kHz
  • 驱动位深:通常支持 8 位/色(24 位色彩控制,具体以固件/协议为准)

四、典型应用

  • 可寻址 LED 灯带与像素化模组
  • 室内广告牌与装饰照明
  • 舞台与演出效果灯光
  • 智能家居氛围灯、背光与指示灯
  • 可穿戴灯饰与互动装置

五、使用建议与注意事项

  • 电源与去耦:建议在电源入口处并联 100µF(或较大电容)与 0.1µF 陶瓷去耦,靠近首颗像素处布局,以抑制瞬态电流和电压降。
  • 数据线保护:为减少信号反射与干扰,可在数据输入端串联 300Ω~500Ω 的窄阻(视布线长度调整)。
  • 电平兼容:若 MCU 输出为 3.3V 且器件供电为 5V,建议使用高速电平移位器或保证 3.3V 可被识别为高电平;器件工作在 3.7V~5.3V 时,注意 MCU 与灯珠的电平匹配。
  • 电源分配:长距离布线或高像素数量时,应在合适间隔对 VCC 补电以降低压降,避免尾端亮度不均或色偏。
  • 散热与寿命:尽量保证良好散热与合适的环境温度,长时间满亮白光会增加结温,建议按需限制最大亮度或采用分段亮度策略以延长器件寿命。
  • 焊接工艺:遵循 SMD 5050 常规回流温度曲线,避免过高回流温度或重复回流。搬运与装贴时注意防静电,做好 ESD 保护。
  • EMC 与可靠性:在对抗电磁干扰较强的应用中,增加滤波与地线布局可提高可靠性。

六、典型接线与控制要点

WS2812E-V5 典型引脚为 VDD(电源)、GND(地)、DIN(数据输入)、DOUT(数据输出)。数据链通过 DOUT 串接至下一颗灯珠的 DIN,实现级联控制。控制器发送 24 位或更多数据帧(每像素),器件内部解码后按 PWM 输出对应颜色。建议在串联前端加一个上拉或去耦网络,保持信号完整性。

总结:WS2812E-V5 在保持 WS2812 系列常见地址化优点的同时,提供了稳定的工作电压范围与 2kHz PWM,适合要求细腻亮度控制及中高亮度输出的照明与显示场景。实际设计中请结合电源布线、热管理与信号完整性措施以获得最佳效果。

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