WS2812B

{
  "schema_version": 1,
  "type": "component",
  "slug": "ws2812b",
  "title": "WS2812B",
  "brief": "Worldsemi integrated addressable RGB LED (NeoPixel), 5050. Single-wire chainable, 24-bit color, 5 V. Datasheet-verified.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "led",
    "rgb",
    "addressable",
    "neopixel",
    "5050",
    "worldsemi"
  ],
  "component": {
    "mpn": "WS2812B",
    "manufacturer": "Worldsemi",
    "package": "SMD-5050",
    "pin_count": 4,
    "category": "Optoelectronics",
    "subcategory": "Addressable RGB LED (integrated controller)",
    "datasheet": "https://cdn-shop.adafruit.com/datasheets/WS2812B.pdf",
    "parts": {
      "symbol": "ws2812b.kicad_sym",
      "footprint": "ws2812b.kicad_mod",
      "model_3d": "ws2812b-etched.glb",
      "model_3d_plain": "ws2812b.glb",
      "lbr": "ws2812b.lbr",
      "model_3d_step": "ws2812b-etched.step",
      "model_3d_step_plain": "ws2812b.step"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply for the internal controller and the RGB LED. Absolute range +3.5 to +5.3 V; recommended operating VDD 4.5 to 5.5 V. Decouple with a 100 nF (104) ceramic capacitor per pixel per the reference schematic."
      },
      {
        "number": "2",
        "name": "DOUT",
        "type": "output",
        "description": "Cascaded serial data output. After latching the first 24-bit color word, the pixel reshapes and re-drives the remaining bit stream out of DOUT to the DIN of the next WS2812B. Transmission delay tPLZ <= 300 ns with CL=15 pF, RL=10 kohm."
      },
      {
        "number": "3",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference (0 V) for the controller and the RGB LED drivers."
      },
      {
        "number": "4",
        "name": "DIN",
        "type": "input",
        "description": "Serial control-data input using a single-wire NZR protocol at 800 Kbps (bit period TH+TL = 1.25 us +/- 600 ns). VIH >= 0.7*VDD, VIL <= 0.3*VDD, hysteresis ~0.35 V. A low period >= 50 us is interpreted as the RES/latch (reset) code."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://cdn-shop.adafruit.com/datasheets/WS2812B.pdf",
        "pages": 5,
        "sha256": "670517e400d01f76",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ws2812b-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.4,
          5.0,
          1.6
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "cbe63991f91a1e219a7c3573a201c75660d8176fec2271f47c936d345cdb30cb",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "Addressable RGB LED (integrated IC)",
      "Color depth": "24-bit (8 bit per channel)",
      "Interface": "single-wire (DIN to DOUT chain)",
      "Chainable": "yes (data reshaped at each LED)",
      "Data rate": "800 kbps",
      "Refresh": "~400 Hz (30-LED cascade)",
      "Supply voltage": "~3.5-5.3 V",
      "Package": "SMD-5050 (4-pin PLCC)"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ws2812b",
    "neopixel",
    "addressable led",
    "rgb led strip",
    "individually addressable led"
  ],
  "discovery_pitch": "WS2812B integrated addressable RGB LED (5050, one-wire chainable) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ws2812b.kicad_sym",
    "ws2812b.kicad_mod",
    "ws2812b.glb",
    "ws2812b.lbr",
    "docs/hero.png",
    "docs/ws2812b-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ws2812b-etched.step"
  ],
  "variants": [
    {
      "mpn": "WS2812B (5050)",
      "kind": "packaging"
    },
    {
      "mpn": "WS2812B-B (reverse-mount 5050)",
      "kind": "packaging"
    }
  ]
}