CJ7812B-TGN-ARG

{
  "slug": "cj7812b-tgn-arg",
  "version": "0.1.0",
  "type": "component",
  "description": "Changjing Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-263-2L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "cj7812b-tgn-arg",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cj7812b-tgn-arg.kicad_sym",
    "cj7812b-tgn-arg.kicad_mod",
    "cj7812b-tgn-arg.glb",
    "cj7812b-tgn-arg.step",
    "cj7812b-tgn-arg.lbr",
    "docs/hero.png",
    "docs/cj7812b-tgn-arg-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cj7812b-tgn-arg-hero.glb",
    "cj7812b-tgn-arg-hero.overlay.json",
    "cj7812b-tgn-arg-etched.glb"
  ],
  "component": {
    "mpn": "CJ7812B-TGN-ARG",
    "manufacturer": "Changjing",
    "package": "TO-263-2L",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590931212288671744",
    "parts": {
      "symbol": "cj7812b-tgn-arg.kicad_sym",
      "footprint": "cj7812b-tgn-arg.kicad_mod",
      "model_3d": "cj7812b-tgn-arg-hero.glb",
      "model_3d_plain": "cj7812b-tgn-arg-etched.glb",
      "model_3d_step": "cj7812b-tgn-arg-etched.step",
      "model_3d_step_plain": "cj7812b-tgn-arg.step",
      "lbr": "cj7812b-tgn-arg.lbr"
    },
    "distributor_links": {
      "lcsc": "C20622086"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T18:02:36Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Input of the device; for the CJ7812B the recommended input voltage range is up to 32 V, with an absolute maximum of 36 V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Regulator ground reference for the device."
      },
      {
        "number": "3",
        "name": "OUT",
        "type": "power_out",
        "description": "Output of the device, providing the 12 V fixed regulated output at up to 1 A (at TJ = 25°C)."
      }
    ],
    "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 package is named TO-263-2L, but the datasheet pin table and figure assign three pins (1 IN, 2 GN; The Figure 6-1 pin-configuration graphic is not legible in the extracted text, so the pin mapping is; The ordering tables on pages 2-5 that were provided list only TBN (TO-220-3L) parts. The exact MPN C"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0276,
        "at": "2026-10-20T18:01:10"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590931212288671744",
        "pages": 33,
        "sha256": "2bf7e0142c58a2c8",
        "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"
    },
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        "up": "Z",
        "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": "804a3f76e4182a02567b2429bdc9a585b857158fb8543fccd29c8eb6780e1310",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cj7812b-tgn-arg-etched.step",
        "role": "eda",
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        "sha256": "b9caee11ea514d4346b95a99429717c7e7ba28be2896b3fd01ea1396c4e15bce",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  }
}