TP4040C25S3

{
  "schema_version": 1,
  "type": "component",
  "slug": "tp4040c25s3",
  "title": "TP4040C25S3",
  "brief": "TECH PUBLIC Voltage Reference, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "TP4040C25S3",
    "manufacturer": "TECH PUBLIC",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Reference",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/98c0ddadc7428e73a311c89544918df1.pdf",
    "parts": {
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      "footprint": "tp4040c25s3.kicad_mod",
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      "model_3d_step": "tp4040c25s3-etched.step",
      "model_3d_step_plain": "tp4040c25s3.step",
      "lbr": "tp4040c25s3.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "CATHODE",
        "type": "passive",
        "description": "Cathode (+) of the shunt voltage reference. Regulates to VR = 2.5 V (±0.5%) above the anode when biased through an external series resistor RS. Reverse current range IRMIN = 45 µA to IR(max) = 20 mA; forward current limit 10 mA."
      },
      {
        "number": "2",
        "name": "ANODE",
        "type": "passive",
        "description": "Anode (−) of the shunt voltage reference; typically tied to circuit ground/return. All voltage values in the datasheet are referenced to this pin."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection to the reference circuit; pin is attached to the die substrate and must be connected to ANODE or left open."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/98c0ddadc7428e73a311c89544918df1.pdf",
        "pages": 6,
        "sha256": "f9ce38855720d349",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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      "footprint": "viewers/footprint.html"
    },
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        "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": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-07",
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        "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": "1613fb785d77d9479ac9933224c6d2d05283820975d6993d6afad71debf18cfe",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TECH PUBLIC",
      "Package": "SOT-23",
      "Category": "PMIC",
      "Pins": "3"
    }
  },
  "sections": [
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  "discovery_triggers": [
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  "discovery_pitch": "TP4040C25S3 (TECH PUBLIC) 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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    "tp4040c25s3.step",
    "tp4040c25s3.lbr",
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  "visibility": {
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  "variants": [
    {
      "mpn": "TP4040C25S3",
      "kind": "packaging"
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  ],
  "updated_at": "2026-09-25T11:18:59.346Z"
}