LM4050AIM3X-2.5

{
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  "type": "component",
  "slug": "lm4050aim3x-2-5",
  "title": "LM4050AIM3X-2.5",
  "brief": "Texas Instruments Voltage Reference, SOT-23-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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    "power management (pmic)",
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  "component": {
    "mpn": "LM4050AIM3X-2.5",
    "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",
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      "footprint": "lm4050aim3x-2-5.kicad_mod",
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      "model_3d_plain": "lm4050aim3x-2-5.glb",
      "model_3d_step": "lm4050aim3x-2-5-etched.step",
      "model_3d_step_plain": "lm4050aim3x-2-5.step",
      "lbr": "lm4050aim3x-2-5.lbr"
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    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "K",
        "type": "passive",
        "description": "Cathode (negative marking on top view; this is the shunt-regulator cathode that sinks the shunt current IQ and sets the regulated reverse breakdown voltage VR = 2.5V). Connect through series resistor RS to Vs; the regulated Vout is taken here."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode (common pin, typically tied to ground). Return terminal of the shunt reference; carries IQ + IL back to the supply return."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection - this pin is the die-attach pad and forms a parasitic Schottky diode to pin 2 (anode). Must be left floating or tied to pin 2 (anode). TI recommends tying to anode in high-EMI or high-frequency switching-noise environments."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm4050-n",
        "pages": null,
        "sha256": "a56eb11c173b31e8",
        "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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    "models_3d": [
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        "file": "lm4050aim3x-2-5.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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      {
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        "sha256": "cadbfd2d1165f080968118054eafde985d84d5b614e7eb6599ec528d03df79e8",
        "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": [
    {
      "mpn": "LM4050AIM3X-2.5",
      "kind": "packaging"
    },
    {
      "mpn": "LM4050AIM3-2.5",
      "kind": "unknown"
    },
    {
      "mpn": "LM4050BIM3X-2.5",
      "kind": "unknown"
    },
    {
      "mpn": "LM4050BIM3-2.5",
      "kind": "unknown"
    },
    {
      "mpn": "LM4050CIM3X-2.5",
      "kind": "unknown"
    },
    {
      "mpn": "LM4050CIM3-2.5",
      "kind": "unknown"
    },
    {
      "mpn": "LM4050AEM3X-2.5",
      "kind": "unknown"
    },
    {
      "mpn": "LM4050AEM3-2.5",
      "kind": "unknown"
    },
    {
      "mpn": "LM4050BEM3X-2.5",
      "kind": "unknown"
    },
    {
      "mpn": "LM4050BEM3-2.5",
      "kind": "unknown"
    },
    {
      "mpn": "LM4050CEM3X-2.5",
      "kind": "unknown"
    },
    {
      "mpn": "LM4050CEM3-2.5",
      "kind": "unknown"
    }
  ],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
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  "discovery_pitch": "LM4050AIM3X-2.5 (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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  "files": [
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  "visibility": {
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  "updated_at": "2026-09-28T16:55:29.052Z"
}