HDC1080

{
  "schema_version": 1,
  "type": "component",
  "slug": "hdc1080",
  "title": "HDC1080",
  "brief": "TI digital I2C relative-humidity + temperature sensor, WSON-6. ±2% RH, ±0.2 C, low power. Datasheet-verified.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "sensor",
    "humidity",
    "temperature",
    "i2c",
    "wson-6",
    "texas-instruments"
  ],
  "component": {
    "mpn": "HDC1080",
    "manufacturer": "Texas Instruments",
    "package": "WSON-6",
    "pin_count": 7,
    "category": "Sensor",
    "subcategory": "I2C humidity + temperature sensor",
    "datasheet": "https://www.ti.com/lit/ds/symlink/hdc1080.pdf",
    "parts": {
      "symbol": "hdc1080.kicad_sym",
      "footprint": "hdc1080.kicad_mod",
      "model_3d": "hdc1080-etched.glb",
      "model_3d_plain": "hdc1080.glb",
      "model_3d_step": "hdc1080-etched.step",
      "model_3d_step_plain": "hdc1080.step",
      "lbr": "hdc1080.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Serial data line for I2C. Open-drain output; requires an external pull-up resistor to VDD (typical 10 kΩ at 3.3 V). Supports standard/fast I2C up to 400 kHz."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (0 V) for the device."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. May be left floating or connected to GND."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. May be left floating or connected to GND."
      },
      {
        "number": "5",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage input. Recommended operating range 2.7 V to 5.5 V (nominal 3.0 V). Absolute maximum -0.3 V to 6 V. Decouple to GND with a 100 nF capacitor located close to the pin."
      },
      {
        "number": "6",
        "name": "SCL",
        "type": "input",
        "description": "Serial clock line for I2C. Open-drain input; requires an external pull-up resistor to VDD (typical 10 kΩ at 3.3 V). Supports clock frequencies from 10 kHz up to 400 kHz."
      },
      {
        "number": "DAP",
        "name": "DAP",
        "type": "unconnected",
        "description": "Die Attach Pad on bottom of the package. Should be left floating (not soldered to any net). Not shown on the top-view pin diagram."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/hdc1080.pdf",
        "pages": 29,
        "sha256": "ff9fed45056ad057",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 7,
        "described": 7,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "hdc1080.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2,
          1.97,
          0.78
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "46d0e57a92ff6cbcf160259943134ba2e861a342461f70a670c0fc776a05bd8d",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "hdc1080-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2,
          1.97,
          0.78
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "0968057bc6bc90cea15c3172d77d68cddca0b8aac072f7c68277e86d42a41941",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "I2C humidity + temperature sensor",
      "Humidity accuracy": "±2% RH",
      "Temperature accuracy": "±0.2 °C",
      "Resolution": "14-bit (RH and temp)",
      "Interface": "I2C",
      "Extras": "integrated heater",
      "Supply voltage": "2.7-5.5 V",
      "Package": "WSON-6 (DMB)"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "hdc1080",
    "humidity sensor",
    "relative humidity i2c",
    "temperature humidity sensor",
    "rh sensor"
  ],
  "discovery_pitch": "HDC1080 digital I2C humidity and temperature sensor (WSON-6) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "hdc1080.kicad_sym",
    "hdc1080.kicad_mod",
    "hdc1080.glb",
    "hdc1080.step",
    "hdc1080.lbr",
    "docs/hero.png",
    "docs/hdc1080-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "hdc1080-etched.step"
  ],
  "variants": [
    {
      "mpn": "HDC1080DMBR (WSON-6)",
      "kind": "packaging"
    },
    {
      "mpn": "HDC1080DMBT (WSON-6, small reel)",
      "kind": "packaging"
    }
  ]
}