REG1117-2.85

{
  "schema_version": 1,
  "type": "component",
  "slug": "reg1117-2-85",
  "title": "REG1117-2.85",
  "brief": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "reg1117-2.85",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "REG1117-2.85",
    "manufacturer": "Texas Instruments",
    "package": "SOT-223-4",
    "pin_count": 4,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/reg1117a",
    "parts": {
      "symbol": "reg1117-2-85.kicad_sym",
      "footprint": "reg1117-2-85.kicad_mod",
      "model_3d": "reg1117-2-85-hero.glb",
      "model_3d_plain": "reg1117-2-85.glb",
      "model_3d_step": "reg1117-2-85-etched.step",
      "model_3d_step_plain": "reg1117-2-85.step",
      "lbr": "reg1117-2-85.lbr"
    },
    "distributor_links": {
      "lcsc": "C2866257",
      "digikey": "REG1117-2.85-ND",
      "mouser": "595-REG1117-2.85"
    },
    "distributor_check": {
      "checked_at": "2026-10-12T10:06:21Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "REG1117-2.85-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-REG1117-2.85",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the fixed-voltage REG1117-2.85; the 'Adj.' label in the connection diagram applies only to the adjustable model."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated 2.85 V output, specified at 2.790 V to 2.910 V for IO = 0 to 800 mA and VIN = 4.05 V to 10 V, with dropout of 1.2 V max at IO = 800 mA."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated input supply; the absolute maximum input voltage is +15 V and the dropout voltage must be kept within the stated 1.2 V max at 800 mA for regulation."
      },
      {
        "number": "4",
        "name": "TAB (VOUT)",
        "type": "power_out",
        "description": "Mounting tab is electrically connected to VOUT and, with the leads, provides the heat-sinking path to the copper on the circuit board."
      }
    ],
    "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 connection diagram gives pin names and order (Ground, VOUT, VIN, with the tab tied to VOUT) but ; The tab is listed as a fourth pin only in the package addendum (4 pins); the ordering table calls th",
          "1/4 pins cited to the wrong page (name found elsewhere): ['1:GND@p2']"
        ],
        "pages_sent": 23,
        "cost_usd": 0.0962,
        "at": "2026-10-12T10:06:06"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/reg1117a",
        "pages": 23,
        "sha256": "9612deef2bd34399",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "reg1117-2-85.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7,
          6.5,
          1.7
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "reg1117-2-85-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          6.5,
          1.7
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "72deea711d7e25424e3f3da1e91325cf467aef2a1282669f115b8f29a3ca40af",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOT-223-4",
      "Category": "Power Management (PMIC)",
      "Pins": "4"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "reg1117-2.85"
  ],
  "discovery_pitch": "REG1117-2.85 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "reg1117-2-85.kicad_sym",
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    "reg1117-2-85.glb",
    "reg1117-2-85.step",
    "reg1117-2-85.lbr",
    "docs/hero.png",
    "docs/reg1117-2-85-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "reg1117-2-85-hero.glb",
    "reg1117-2-85-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}