LM4050QAEM3X5.0

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm4050qaem3x5-0",
  "title": "LM4050QAEM3X5.0",
  "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)",
    "lm4050qaem3x5.0",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM4050QAEM3X5.0",
    "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/lm4050-n-q1",
    "parts": {
      "symbol": "lm4050qaem3x5-0.kicad_sym",
      "footprint": "lm4050qaem3x5-0.kicad_mod",
      "model_3d": "lm4050qaem3x5-0-hero.glb",
      "model_3d_plain": "lm4050qaem3x5-0.glb",
      "model_3d_step": "lm4050qaem3x5-0-etched.step",
      "model_3d_step_plain": "lm4050qaem3x5-0.step",
      "lbr": "lm4050qaem3x5-0.lbr"
    },
    "distributor_links": {
      "lcsc": "C2157319"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T15:44:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Cathode",
        "type": "passive",
        "description": "Carries the shunt current and the input voltage; the device regulates the reverse breakdown voltage at this pin with respect to the anode, for reverse currents from 60 µA to 15 mA (datasheet 'Name' column lists this pin as 负极, and its schematic label is Cathode)."
      },
      {
        "number": "2",
        "name": "Anode",
        "type": "passive",
        "description": "Common pin, usually connected to ground; the absolute maximum forward current is 10 mA and the reverse current is 20 mA."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; it must be left floating or connected to pin 2 (anode) because of a parasitic Schottky diode between pin 2 and the die contact, and TI recommends connecting it to the anode in high-EMI or high-frequency switching 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 pin 2 as type 'O' (output) with the description '通用引脚，通常接地' (common pin, usually; Pin 1 and pin 2 names are derived from the Chinese pin table (负极 = negative/cathode, 正极 = positive/a; The orderable MPN LM4050QAEM3X5.0 appears in the package addendum (page 29) as an active SOT-23 (DBZ"
        ],
        "pages_sent": 20,
        "cost_usd": 0.1312,
        "at": "2026-10-08T15:44:12"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm4050-n-q1",
        "pages": 47,
        "sha256": "02a99aa1f022863b",
        "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": "lm4050qaem3x5-0.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": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm4050qaem3x5-0-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3dbb507a1f5c3f421d6e41dc39a0670eb561c309866df36175cf556479b9734a",
        "checked": "2026-10-08",
        "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": [
    "lm4050qaem3x5.0"
  ],
  "discovery_pitch": "LM4050QAEM3X5.0 (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": [
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    "README.md",
    "lm4050qaem3x5-0.kicad_sym",
    "lm4050qaem3x5-0.kicad_mod",
    "lm4050qaem3x5-0.glb",
    "lm4050qaem3x5-0.step",
    "lm4050qaem3x5-0.lbr",
    "docs/hero.png",
    "docs/lm4050qaem3x5-0-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm4050qaem3x5-0-hero.glb",
    "lm4050qaem3x5-0-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}