LM4040BIM7-2.5

{
  "slug": "lm4040bim7-2-5",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Voltage Reference, SC-70-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lm4040bim7-2.5",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm4040bim7-2-5.kicad_sym",
    "lm4040bim7-2-5.kicad_mod",
    "lm4040bim7-2-5.glb",
    "lm4040bim7-2-5.step",
    "lm4040bim7-2-5.lbr",
    "docs/hero.png",
    "docs/lm4040bim7-2-5-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm4040bim7-2-5-hero.glb",
    "lm4040bim7-2-5-hero.overlay.json"
  ],
  "component": {
    "mpn": "LM4040BIM7-2.5",
    "manufacturer": "Texas Instruments",
    "package": "SC-70-5",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm4040-n",
    "parts": {
      "symbol": "lm4040bim7-2-5.kicad_sym",
      "footprint": "lm4040bim7-2-5.kicad_mod",
      "model_3d": "lm4040bim7-2-5-hero.glb",
      "model_3d_plain": "lm4040bim7-2-5.glb",
      "model_3d_step": "lm4040bim7-2-5-etched.step",
      "model_3d_step_plain": "lm4040bim7-2-5.step",
      "lbr": "lm4040bim7-2-5.lbr"
    },
    "distributor_links": {
      "lcsc": "C130177",
      "digikey": "LM4040BIM7-2.5TR-ND",
      "mouser": "926-LM4040BIM7-25"
    },
    "distributor_check": {
      "checked_at": "2026-10-10T10:30:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LM4040BIM7-2.5TR-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "926-LM4040BIM7-25",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Anode",
        "type": "power_in",
        "description": "The anode pin is normally grounded and must be the return path for the shunt reference; per the datasheet it is labeled as an output (O) in Table 4-1, but it functions as the common (ground-side) terminal."
      },
      {
        "number": "2",
        "name": "*",
        "type": "unconnected",
        "description": "Pin 2 must be left floating or connected to pin 1 (Anode) because of a parasitic Schottky diode between pins 1 and 2 on SC70; TI recommends connecting it to the anode in applications with high EMI or significant high-frequency switching noise."
      },
      {
        "number": "3",
        "name": "Cathode",
        "type": "power_out",
        "description": "Cathode is the shunt current input and regulated output voltage pin, and the reference is specified for shunt currents from 60 µA minimum to 15 mA maximum (IRMIN to IRMAX) with a 2.5 V reverse breakdown voltage."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "Pin 4 is a no-connect pin and is not internally connected."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "Pin 5 is a no-connect pin and is not internally connected."
      }
    ],
    "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: Table 4-1 labels the anode as I/O 'O' (output). The KiCad type power_in was chosen because the datas; Table 4-1 labels the cathode as 'I/O'. power_out was chosen because the datasheet describes it as th; The datasheet marks this pin with '*' and no name. Its SC70 role is taken from footnote (1) and Sect"
        ],
        "pages_sent": 28,
        "cost_usd": 0.1702,
        "at": "2026-10-10T10:30:46"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm4040-n",
        "pages": 84,
        "sha256": "5655b017c6397138",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lm4040bim7-2-5.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2860de5b7b085919ff6e952148353f928798588d9f544dc69430545aff2ba908",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm4040bim7-2-5-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "81d794362e9bdde1a3babfa00204330dca1a4490890291f5d6d08033e08080cb",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}