BH1726NUC-E2

{
  "schema_version": 1,
  "type": "component",
  "slug": "bh1726nuc-e2",
  "title": "BH1726NUC-E2",
  "brief": "ROHM Ambient Light Sensors, WSON-8-EP(2x2). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "sensor",
    "bh1726nuc-e2"
  ],
  "component": {
    "mpn": "BH1726NUC-E2",
    "manufacturer": "ROHM",
    "package": "WSON-8-EP(2x2)",
    "pin_count": 8,
    "category": "Sensor",
    "subcategory": "Ambient Light Sensors",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2202131700_ROHM-Semicon-BH1726NUC-E2_C2655122.pdf",
    "parts": {
      "symbol": "bh1726nuc-e2.kicad_sym",
      "footprint": "bh1726nuc-e2.kicad_mod",
      "model_3d": "bh1726nuc-e2-etched.glb",
      "model_3d_plain": "bh1726nuc-e2.glb",
      "model_3d_step": "bh1726nuc-e2-etched.step",
      "model_3d_step_plain": "bh1726nuc-e2.step",
      "lbr": "bh1726nuc-e2.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "ADDR",
        "type": "input",
        "description": "I2C bus slave address selector. Tie LOW for slave address 0101001b or HIGH for 0111001b. V_IH >= 0.7*VCC, V_IL <= 0.3*VCC."
      },
      {
        "number": "2",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage input, 2.3 V to 3.6 V (2.5 V typ). Place a 0.1 uF bypass capacitor as close as possible to the IC."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (0 V) for the IC."
      },
      {
        "number": "4",
        "name": "TEST",
        "type": "input",
        "description": "Factory test pin. Must be connected to GND in normal operation."
      },
      {
        "number": "5",
        "name": "SCL",
        "type": "input",
        "description": "I2C bus serial clock input. Open-drain line requiring an external pull-up resistor. Supports up to 400 kHz (fast mode). V_IH >= 1.26 V, V_IL <= 0.54 V."
      },
      {
        "number": "6",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C bus serial data line. Open-drain bidirectional line requiring an external pull-up resistor. V_OL <= 0.4 V at I_OL = 3 mA."
      },
      {
        "number": "7",
        "name": "INT",
        "type": "output",
        "description": "Interrupt output (active low, open-drain). Asserted when ADC result crosses the programmed TH_LOW/TH_HIGH thresholds with persistence. V_OL <= 0.4 V at I_OL = 3 mA. Requires external pull-up."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to GND."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2202131700_ROHM-Semicon-BH1726NUC-E2_C2655122.pdf",
        "pages": 19,
        "sha256": "652d45f11a194522",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bh1726nuc-e2.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.0,
          1.98,
          0.82
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7672cac8d88d8679800ef3bf90954e7996ea74e8ddb1f157f2d82bca6b2015e4",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bh1726nuc-e2-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.0,
          1.98,
          0.82
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "fde37af2e11442f32b38156f0b5c3d0cca88e54de1822824a7187e9c95ae3d17",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ROHM",
      "Package": "WSON-8-EP(2x2)",
      "Category": "Sensor",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bh1726nuc-e2"
  ],
  "discovery_pitch": "BH1726NUC-E2 (ROHM) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bh1726nuc-e2.kicad_sym",
    "bh1726nuc-e2.kicad_mod",
    "bh1726nuc-e2.glb",
    "bh1726nuc-e2.step",
    "bh1726nuc-e2-etched.step",
    "bh1726nuc-e2.lbr",
    "docs/hero.png",
    "docs/bh1726nuc-e2-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T17:44:49.488Z"
}