LM4040D25QDBZR

{
  "slug": "lm4040d25qdbzr",
  "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)",
    "lm4040d25qdbzr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm4040d25qdbzr.kicad_sym",
    "lm4040d25qdbzr.kicad_mod",
    "lm4040d25qdbzr.glb",
    "lm4040d25qdbzr.step",
    "lm4040d25qdbzr.lbr",
    "docs/hero.png",
    "docs/lm4040d25qdbzr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm4040d25qdbzr-hero.glb",
    "lm4040d25qdbzr-hero.overlay.json"
  ],
  "component": {
    "mpn": "LM4040D25QDBZR",
    "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",
    "parts": {
      "symbol": "lm4040d25qdbzr.kicad_sym",
      "footprint": "lm4040d25qdbzr.kicad_mod",
      "model_3d": "lm4040d25qdbzr-hero.glb",
      "model_3d_plain": "lm4040d25qdbzr.glb",
      "model_3d_step": "lm4040d25qdbzr-etched.step",
      "model_3d_step_plain": "lm4040d25qdbzr.step",
      "lbr": "lm4040d25qdbzr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2156615",
      "digikey": "296-17942-2-ND",
      "mouser": "595-LM4040D25QDBZR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T15:41:26Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-17942-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-LM4040D25QDBZR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CATHODE",
        "type": "bidirectional",
        "description": "Parallel current/voltage input; the cathode must be supplied with at least the minimum regulation current IZ,min (45 µA typical) and the cathode current should be kept at or below the 15 mA recommended maximum (25 mA absolute maximum continuous)."
      },
      {
        "number": "2",
        "name": "ANODE",
        "type": "passive",
        "description": "General-purpose pin, normally grounded, and serves as the common reference terminal of the shunt reference."
      },
      {
        "number": "3",
        "name": "*",
        "type": "passive",
        "description": "Must be left floating or connected to the anode (pin 2) because a parasitic Schottky diode exists 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: The datasheet labels ANODE as 'O' (output), but it is a common/ground reference pin. Mapped to KiCad; Pin 3 is printed as '*' in the pin table and is described as 'I' (input) in the datasheet. The datas; Package match confirmed: LM4040D25QDBZR is listed in the package option addendum as SOT-23 (DBZ), 3 "
        ],
        "pages_sent": 26,
        "cost_usd": 0.1814,
        "at": "2026-10-08T15:41:00"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm4040",
        "pages": 62,
        "sha256": "68faec55d71e5cd5",
        "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": "lm4040d25qdbzr.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": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm4040d25qdbzr-etched.step",
        "role": "eda",
        "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": "331a122d6a25e0a4376b3d7f50117d69baa4e65162a28b5a5df32535198e6817",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}