LM7915CT

{
  "slug": "lm7915ct",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-220. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lm7915ct",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm7915ct.kicad_sym",
    "lm7915ct.kicad_mod",
    "lm7915ct.glb",
    "lm7915ct.step",
    "lm7915ct.lbr",
    "docs/hero.png",
    "docs/lm7915ct-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm7915ct-hero.glb",
    "lm7915ct-hero.overlay.json"
  ],
  "component": {
    "mpn": "LM7915CT",
    "manufacturer": "Texas Instruments",
    "package": "TO-220",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm79",
    "parts": {
      "symbol": "lm7915ct.kicad_sym",
      "footprint": "lm7915ct.kicad_mod",
      "model_3d": "lm7915ct-hero.glb",
      "model_3d_plain": "lm7915ct.glb",
      "model_3d_step": "lm7915ct-etched.step",
      "model_3d_step_plain": "lm7915ct.step",
      "lbr": "lm7915ct.lbr"
    },
    "distributor_links": {
      "lcsc": "C2865072",
      "digikey": "2156-LM7915CT-488-ND",
      "mouser": "512-LM7915CT"
    },
    "distributor_check": {
      "checked_at": "2026-10-12T10:04:12Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2156-LM7915CT-488-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "512-LM7915CT",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GROUND",
        "type": "power_in",
        "description": "Ground reference pin of the regulator, with low ground-pin current (quiescent current 1.5mA typ, 3mA max for LM7915C at TJ = 25°C)."
      },
      {
        "number": "2",
        "name": "INPUT",
        "type": "power_in",
        "description": "Negative unregulated input; absolute maximum −35V for the −15V part, with a 2.2μF input bypass capacitor recommended and a 30V maximum input-output differential."
      },
      {
        "number": "3",
        "name": "OUTPUT",
        "type": "power_out",
        "description": "Regulated −15V output (−14.4V to −15.6V at 25°C) delivering up to 1.5A, and it requires a 1μF output capacitor for stability."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The connection diagram (Figure 1, front view) labels the leads only by function, top to bottom OUTPU; The datasheet does not state the tab connection. The diagram marks INPUT at the tab, which suggests ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 14,
        "cost_usd": 0.2867,
        "at": "2026-10-12T10:03:59"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm79",
        "pages": 14,
        "sha256": "392f4584b1435508",
        "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": "lm7915ct.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          10.25,
          4.455,
          28.525
        ],
        "zmin_mm": -9.75,
        "centre_offset_mm": 0.932,
        "footprint_binding": "identity",
        "sha256": "7cb065d935df5771f0ba6e48ddd180863a121af76483dad7f18e667a7b68204a",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm7915ct-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          10.25,
          4.455,
          28.525
        ],
        "zmin_mm": -9.75,
        "centre_offset_mm": 0.932,
        "footprint_binding": "identity",
        "sha256": "8d740ff099d6838f05d6cfc135ffac593b7a474078b2a0910bc3878d73284fea",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}