main
Ray lm75bdp: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) 5f83222
{
  "schema_version": 1,
  "type": "component",
  "slug": "lm75bdp",
  "title": "LM75BDP",
  "brief": "UMW Temperature and Humidity Sensor, MSOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "sensor",
    "lm75bdp"
  ],
  "component": {
    "mpn": "LM75BDP",
    "manufacturer": "UMW",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Sensor",
    "subcategory": "Temperature and Humidity Sensor",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2403200155_UMW-Youtai-Semiconductor-Co---Ltd--LM75BDP_C2837470.pdf",
    "parts": {
      "symbol": "lm75bdp.kicad_sym",
      "footprint": "lm75bdp.kicad_mod",
      "model_3d": "lm75bdp-etched.glb",
      "model_3d_plain": "lm75bdp.glb",
      "model_3d_step": "lm75bdp-etched.step",
      "model_3d_step_plain": "lm75bdp.step",
      "lbr": "lm75bdp.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C/SMBus serial data. Open-drain output, requires external pull-up resistor to VDD. Supports bus speeds up to 1MHz (fast mode) and 2.3MHz (high-speed mode)."
      },
      {
        "number": "2",
        "name": "SCL",
        "type": "input",
        "description": "I2C/SMBus serial clock input. Open-drain, requires external pull-up resistor to VDD."
      },
      {
        "number": "3",
        "name": "ALT",
        "type": "output",
        "description": "Over-temperature alert output. Open-drain; asserts when the measured temperature crosses the programmed T_OS/T_HYST thresholds. Requires an external pull-up resistor."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "5",
        "name": "A2",
        "type": "input",
        "description": "I2C slave address select bit 2. Must be tied to GND or VDD to set one of eight possible bus addresses."
      },
      {
        "number": "6",
        "name": "A1",
        "type": "input",
        "description": "I2C slave address select bit 1. Must be tied to GND or VDD to set one of eight possible bus addresses."
      },
      {
        "number": "7",
        "name": "A0",
        "type": "input",
        "description": "I2C slave address select bit 0. Must be tied to GND or VDD to set one of eight possible bus addresses."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply input, 1.4V to 5.5V (3.3V nominal). Absolute max 6V. Decouple with a local bypass capacitor to GND."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2403200155_UMW-Youtai-Semiconductor-Co---Ltd--LM75BDP_C2837470.pdf",
        "pages": 20,
        "sha256": "68957518e9fd34d5",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.1125,
        -0.975
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "MSOP-8_3x3mm_P0.65mm@sha256:c85207be7edf4b5e",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "lm75bdp.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3,
          0.95
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "847c4c5023fe1603fbd36900a5dcc4bd3901ba473f71d42c9a469f0236eaadf3",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm75bdp-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3,
          0.95
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "cbaff3f45d6be4ec084a2897187f29523863bf960ac02cb93fd47c22c6637329",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "UMW",
      "Package": "MSOP-8",
      "Category": "Sensor",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm75bdp"
  ],
  "discovery_pitch": "LM75BDP (UMW) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm75bdp.kicad_sym",
    "lm75bdp.kicad_mod",
    "lm75bdp.glb",
    "lm75bdp.step",
    "lm75bdp-etched.step",
    "lm75bdp.lbr",
    "docs/hero.png",
    "docs/lm75bdp-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "LM75BDP",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T17:08:23.487Z"
}