LM4040D50ILP

{
  "slug": "lm4040d50ilp",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Voltage Reference, TO-92-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lm4040d50ilp",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm4040d50ilp.kicad_sym",
    "lm4040d50ilp.kicad_mod",
    "lm4040d50ilp.glb",
    "lm4040d50ilp.step",
    "lm4040d50ilp.lbr",
    "docs/hero.png",
    "docs/lm4040d50ilp-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm4040d50ilp-hero.glb",
    "lm4040d50ilp-hero.overlay.json"
  ],
  "component": {
    "mpn": "LM4040D50ILP",
    "manufacturer": "Texas Instruments",
    "package": "TO-92-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm4040",
    "parts": {
      "symbol": "lm4040d50ilp.kicad_sym",
      "footprint": "lm4040d50ilp.kicad_mod",
      "model_3d": "lm4040d50ilp-hero.glb",
      "model_3d_plain": "lm4040d50ilp.glb",
      "model_3d_step": "lm4040d50ilp-etched.step",
      "model_3d_step_plain": "lm4040d50ilp.step",
      "lbr": "lm4040d50ilp.lbr"
    },
    "distributor_links": {
      "lcsc": "C1575575",
      "digikey": "2156-LM4040D50ILP-ND",
      "mouser": "595-LM4040D50ILP"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T14:42:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2156-LM4040D50ILP-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-LM4040D50ILP",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "*",
        "type": "passive",
        "description": "Must be left floating or connected to the anode; TI recommends connecting it to the anode in applications with high EMI or significant high-frequency switching noise."
      },
      {
        "number": "2",
        "name": "CATHODE",
        "type": "passive",
        "description": "Parallel current/voltage input; cathode current must be supplied, with a recommended maximum of 15 mA and an absolute maximum continuous cathode current of 25 mA (-10 mA minimum)."
      },
      {
        "number": "3",
        "name": "ANODE",
        "type": "passive",
        "description": "General-purpose pin, normally connected 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: The datasheet's pin table (Table 5-1) lists ANODE with type 'O' (output), which does not fit a norma; The datasheet lists the '*' pin as type 'I' (input), but the pin must be floating or tied to the ano; The TO-92 pin numbers come from the 'TO-92' column of Table 5-1 (page 4): CATHODE=2, ANODE=3, *=1. T"
        ],
        "pages_sent": 26,
        "cost_usd": 0.1814,
        "at": "2026-10-08T14:41:45"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm4040",
        "pages": 62,
        "sha256": "68faec55d71e5cd5",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lm4040d50ilp.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          4.83,
          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "f0b61c32ecbf0067157adc5a3d4966ceadf5d6dafe93c51af35f76c41c71a54a",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm4040d50ilp-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          4.83,
          3.745,
          9.8
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "b7e6598f4a1f8b5f0739b925c2a15d919908dedc8c43838347b187f7b70998e7",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}