TL1963A-18DCYR

{
  "schema_version": 1,
  "type": "component",
  "slug": "tl1963a-18dcyr",
  "title": "TL1963A-18DCYR",
  "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)",
    "tl1963a-18dcyr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TL1963A-18DCYR",
    "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/tl1963a",
    "parts": {
      "symbol": "tl1963a-18dcyr.kicad_sym",
      "footprint": "tl1963a-18dcyr.kicad_mod",
      "model_3d": "tl1963a-18dcyr-hero.glb",
      "model_3d_plain": "tl1963a-18dcyr.glb",
      "model_3d_step": "tl1963a-18dcyr-etched.step",
      "model_3d_step_plain": "tl1963a-18dcyr.step",
      "lbr": "tl1963a-18dcyr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2860039",
      "digikey": "296-24895-2-ND",
      "mouser": "595-TL1963A-18DCYR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T20:52:02Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-24895-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TL1963A-18DCYR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply pin; the recommended VIN range for the new-chip version is 2.4 V to 20 V, and the device provides reverse-current protection on this pin."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; it is internally tied to the other GND pin (pin 4) and to the exposed thermal pad, which must be soldered to the PCB for rated thermal performance."
      },
      {
        "number": "3",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulator output, rated for up to 1.5 A; a capacitor of at least 10 µF with ESR of 3 Ω or less must be connected from OUT to GND for stability, placed as close to the device as possible."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, the second GND terminal of the SOT-223-4 package, which must be connected to the same ground plane as pin 2 and the exposed thermal pad."
      }
    ],
    "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: Pin mapping for the DCY (SOT-223-4) package is taken from Table 4-1 (IN=1, OUT=3, GND=2 and 4) and F; The DCY package is the fixed-output version only. ADJ, SENSE and SHDN are not bonded out on the DCY ; Pin types: the datasheet labels IN as 'I' and OUT as 'O'. They are mapped to KiCad power_in and powe"
        ],
        "pages_sent": 43,
        "cost_usd": 0.2107,
        "at": "2026-10-08T20:51:31"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tl1963a",
        "pages": 59,
        "sha256": "678bca278f2398fb",
        "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": "tl1963a-18dcyr.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": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tl1963a-18dcyr-etched.step",
        "role": "eda",
        "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": "13cec1feebfe8fe3550e14f9d32c258dd4b2cce6cfa92ce26437ce6a9f040311",
        "checked": "2026-10-08",
        "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": [
    "tl1963a-18dcyr"
  ],
  "discovery_pitch": "TL1963A-18DCYR (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": [
    "page.json",
    "README.md",
    "tl1963a-18dcyr.kicad_sym",
    "tl1963a-18dcyr.kicad_mod",
    "tl1963a-18dcyr.glb",
    "tl1963a-18dcyr.step",
    "tl1963a-18dcyr.lbr",
    "docs/hero.png",
    "docs/tl1963a-18dcyr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tl1963a-18dcyr-hero.glb",
    "tl1963a-18dcyr-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}