BMM350

{
  "slug": "bmm350",
  "version": "0.1.0",
  "type": "component",
  "description": "Bosch Sensortec Specialized Sensors, WLCSP-9(1.3x1.3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "sensors",
    "bmm350",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bmm350.kicad_sym",
    "bmm350.kicad_mod",
    "bmm350.glb",
    "bmm350.step",
    "bmm350.lbr",
    "docs/hero.png",
    "docs/bmm350-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "bmm350-hero.glb",
    "bmm350-hero.overlay.json",
    "bmm350-etched.glb"
  ],
  "component": {
    "mpn": "BMM350",
    "manufacturer": "Bosch Sensortec",
    "package": "WLCSP-9(1.3x1.3)",
    "pin_count": 9,
    "category": "Sensors",
    "subcategory": "Specialized Sensors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602823677185060864",
    "parts": {
      "symbol": "bmm350.kicad_sym",
      "footprint": "bmm350.kicad_mod",
      "model_3d": "bmm350-hero.glb",
      "model_3d_plain": "bmm350-etched.glb",
      "model_3d_step": "bmm350-etched.step",
      "model_3d_step_plain": "bmm350.step",
      "lbr": "bmm350.lbr"
    },
    "distributor_links": {
      "lcsc": "C17225907"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T20:19:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "A1",
        "name": "INT",
        "type": "output",
        "description": "Interrupt output of the BMM350."
      },
      {
        "number": "A2",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C / I3C data line."
      },
      {
        "number": "A3",
        "name": "SCK",
        "type": "input",
        "description": "I2C / I3C clock line."
      },
      {
        "number": "B1",
        "name": "GND",
        "type": "power_in",
        "description": "Analog, digital and IO ground."
      },
      {
        "number": "B2",
        "name": "ADSEL",
        "type": "input",
        "description": "Logic status of ADSEL defines the LSB of the I2C legacy address; connect to GND or VDDIO."
      },
      {
        "number": "B3",
        "name": "VDDIO",
        "type": "power_in",
        "description": "IO supply; use a decoupling capacitor (100 nF per the connection diagram), with a VDDIO range of 1.72 V to 3.6 V."
      },
      {
        "number": "C1",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital and analog supply; use a decoupling capacitor (100 nF per the connection diagram), with a VDD range of 1.72 V to 1.98 V."
      },
      {
        "number": "C2",
        "name": "CRST",
        "type": "passive",
        "description": "Connect to an external 2.2 µF low-inductance capacitor (non-magnetic, low-resistance type), which must support 200 mA peak current."
      },
      {
        "number": "C3",
        "name": "BYPASS",
        "type": "passive",
        "description": "Connect to ground."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Datasheet says only 'Connect to ground' for BYPASS; no electrical class is given, so passive was cho; I2C/I3C electrical types for SCK and SDA are not stated explicitly in the text; SCK was typed as inp; INT is described only as 'Interrupt output'; its drive type (push-pull vs open-drain) and voltage li"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0526,
        "at": "2026-10-17T20:17:31"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602823677185060864",
        "pages": 63,
        "sha256": "db26bd71f271fcea",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bmm350.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.21,
          1.22,
          0.609
        ],
        "zmin_mm": -0.007,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2761b77e9764240fbf79c91412b2bd127e1a30cb1a2103ceae4ce4c1a86308df",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bmm350-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.21,
          1.22,
          0.609
        ],
        "zmin_mm": -0.007,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "99673ca84f0bc25052861c92f17162e7afb93a7549f1874cffb1425f8033fca1",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}