TL1963A-33DCYR

{
  "schema_version": 1,
  "type": "component",
  "slug": "tl1963a-33dcyr",
  "title": "TL1963A-33DCYR",
  "brief": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "pmic",
    "tl1963a-33dcyr"
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  "component": {
    "mpn": "TL1963A-33DCYR",
    "manufacturer": "Texas Instruments",
    "package": "SOT-223",
    "pin_count": 4,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tl1963a-33dcyr.pdf",
    "parts": {
      "symbol": "tl1963a-33dcyr.kicad_sym",
      "footprint": "tl1963a-33dcyr.kicad_mod",
      "model_3d": "tl1963a-33dcyr-etched.glb",
      "model_3d_plain": "tl1963a-33dcyr.glb",
      "model_3d_step": "tl1963a-33dcyr-etched.step",
      "model_3d_step_plain": "tl1963a-33dcyr.step",
      "lbr": "tl1963a-33dcyr.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Regulator input supply. Accepts up to 20 V and up to VOUT+VDO minimum. A 1-uF to 10-uF bypass capacitor is required (especially when placed more than ~6 inches from the input filter cap). Reverse-battery tolerant."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the regulator. The DCY package brings GND out on pin 2 as well as on the tab (pin 4)."
      },
      {
        "number": "3",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated 3.3-V output, 1.5-A capable. Requires a minimum 10-uF ceramic output capacitor for stability; larger caps recommended for large transient loads."
      },
      {
        "number": "4",
        "name": "GND (Tab)",
        "type": "power_in",
        "description": "SOT-223 thermal tab, electrically connected to GND. Must be soldered to a PCB copper pour for rated thermal performance."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/tl1963a-33dcyr.pdf",
        "pages": 39,
        "sha256": "4d78d60ab065db02",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "tl1963a-33dcyr.step",
        "role": "plain",
        "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": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tl1963a-33dcyr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          1.7
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "80dcf32a5374c43a31bef5c38f9529107b57c6c801b6c159fa5103ce697d3a6d",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOT-223",
      "Category": "PMIC",
      "Pins": "4"
    }
  },
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
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  ],
  "discovery_triggers": [
    "tl1963a-33dcyr"
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  "discovery_pitch": "TL1963A-33DCYR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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  "files": [
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    "README.md",
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    "tl1963a-33dcyr.lbr",
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    "docs/tl1963a-33dcyr-datasheet.pdf",
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  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "TL1963A-33DCYR",
      "kind": "packaging"
    },
    {
      "mpn": "TL1963A-33DCYRDCQ",
      "kind": "packaging"
    },
    {
      "mpn": "TL1963A-33DCYRDCQR",
      "kind": "packaging"
    },
    {
      "mpn": "TL1963A-33DCYRKTT",
      "kind": "packaging"
    },
    {
      "mpn": "TL1963A-33DCYRKTTR",
      "kind": "packaging"
    },
    {
      "mpn": "TL1963A-33DCYRKTTT",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T09:51:17.070Z"
}