LM4040BIM3X-10

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm4040bim3x-10",
  "title": "LM4040BIM3X-10",
  "brief": "Texas Instruments Voltage Reference, SOT-23-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "lm4040bim3x-10",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM4040BIM3X-10",
    "manufacturer": "Texas Instruments",
    "package": "SOT-23-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm4040-n",
    "parts": {
      "symbol": "lm4040bim3x-10.kicad_sym",
      "footprint": "lm4040bim3x-10.kicad_mod",
      "model_3d": "lm4040bim3x-10-hero.glb",
      "model_3d_plain": "lm4040bim3x-10.glb",
      "model_3d_step": "lm4040bim3x-10-etched.step",
      "model_3d_step_plain": "lm4040bim3x-10.step",
      "lbr": "lm4040bim3x-10.lbr"
    },
    "distributor_links": {
      "lcsc": "C2157443",
      "digikey": "LM4040BIM3X-10-ND",
      "mouser": "926-LM4040BIM3X-10"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T21:28:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LM4040BIM3X-10-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "926-LM4040BIM3X-10",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Cathode",
        "type": "bidirectional",
        "description": "Cathode is the parallel current / regulated output voltage pin (Table 4-1 lists it as I/O), and the reverse current must stay between IRMIN (100 µA for the 10 V version) and IRMAX (15 mA) through an external series resistor."
      },
      {
        "number": "2",
        "name": "Anode",
        "type": "output",
        "description": "Anode pin is normally grounded, and the absolute maximum reverse current is 20 mA and forward current is 10 mA."
      },
      {
        "number": "3",
        "name": "*",
        "type": "unconnected",
        "description": "Pin 3 must be left floating or connected to the anode (pin 2) because of a parasitic Schottky diode between pins 2 and 3; TI recommends connecting it to the anode in applications with high EMI or significant high-frequency switching noise."
      }
    ],
    "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: Section 8.1 (page 39) labels SOT-23 pin 2 as '(−)' and describes the cathode/anode differently, whic; Pin 3 is a no-connect-type pin (must float or tie to anode). I classed it as 'unconnected', but it i; Pin types use the Table 4-1 I/O labels mapped to KiCad classes (anode O -> output, cathode I/O -> bi"
        ],
        "pages_sent": 28,
        "cost_usd": 0.1792,
        "at": "2026-10-07T21:27:47"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm4040-n",
        "pages": 84,
        "sha256": "5655b017c6397138",
        "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": "lm4040bim3x-10.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm4040bim3x-10-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1922a05da4541a2f5a50e6e4937e6c320e4db6f59b4822040f398b8c87806ece",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOT-23-3",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm4040bim3x-10"
  ],
  "discovery_pitch": "LM4040BIM3X-10 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm4040bim3x-10.kicad_sym",
    "lm4040bim3x-10.kicad_mod",
    "lm4040bim3x-10.glb",
    "lm4040bim3x-10.step",
    "lm4040bim3x-10.lbr",
    "docs/hero.png",
    "docs/lm4040bim3x-10-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm4040bim3x-10-hero.glb",
    "lm4040bim3x-10-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}