LM4051CIM3X-1.2

{
  "slug": "lm4051cim3x-1-2",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Voltage Reference, SOT-23-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lm4051cim3x-1.2",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm4051cim3x-1-2.kicad_sym",
    "lm4051cim3x-1-2.kicad_mod",
    "lm4051cim3x-1-2.glb",
    "lm4051cim3x-1-2.step",
    "lm4051cim3x-1-2.lbr",
    "docs/hero.png",
    "docs/lm4051cim3x-1-2-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm4051cim3x-1-2-hero.glb",
    "lm4051cim3x-1-2-hero.overlay.json"
  ],
  "component": {
    "mpn": "LM4051CIM3X-1.2",
    "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/lm4051-n",
    "parts": {
      "symbol": "lm4051cim3x-1-2.kicad_sym",
      "footprint": "lm4051cim3x-1-2.kicad_mod",
      "model_3d": "lm4051cim3x-1-2-hero.glb",
      "model_3d_plain": "lm4051cim3x-1-2.glb",
      "model_3d_step": "lm4051cim3x-1-2-etched.step",
      "model_3d_step_plain": "lm4051cim3x-1-2.step",
      "lbr": "lm4051cim3x-1-2.lbr"
    },
    "distributor_links": {
      "lcsc": "C2156815",
      "digikey": "LM4051CIM3X-1.2-ND",
      "mouser": "926-LM4051CIM3X-12"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T15:41:29Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LM4051CIM3X-1.2-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "926-LM4051CIM3X-12",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Cathode",
        "type": "bidirectional",
        "description": "Parallel current/voltage input; a series resistor RS from the supply sets the reverse current IR, which must stay between IRMIN (60 µA industrial) and IRMAX (12 mA)."
      },
      {
        "number": "2",
        "name": "Anode",
        "type": "output",
        "description": "General-purpose pin, normally tied to ground, and the reference return for the shunt device."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "Must be left floating or connected to the anode (pin 2); TI recommends connecting it to the anode in high-EMI or high-frequency switching-noise environments."
      }
    ],
    "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 lists the anode with I/O type 'O' and only says it is a general-purpose pin usually gr; The datasheet lists the cathode as I/O; mapped to bidirectional per the datasheet. Passive is a comm; Pin numbers 1, 2, 3 are taken from the 1.2V column of the pin-function table (Cathode=1, Anode=2, NC"
        ],
        "pages_sent": 32,
        "cost_usd": 0.1168,
        "at": "2026-10-08T15:41:02"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm4051-n",
        "pages": 32,
        "sha256": "ad122b04920e5f31",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm4051cim3x-1-2-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "0b8f2781ebcc320b4ef19554d6e637b79f9fdad9b6bad7df75b0c3f52cd1e34d",
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  }
}