TPS77633DR

{
  "slug": "tps77633dr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Linear Voltage Regulators (LDO), SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "tps77633dr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tps77633dr.kicad_sym",
    "tps77633dr.kicad_mod",
    "tps77633dr.glb",
    "tps77633dr.step",
    "tps77633dr.lbr",
    "docs/hero.png",
    "docs/tps77633dr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tps77633dr-hero.glb",
    "tps77633dr-hero.overlay.json",
    "tps77633dr-etched.glb"
  ],
  "component": {
    "mpn": "TPS77633DR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management ICs",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tps77633.pdf",
    "parts": {
      "symbol": "tps77633dr.kicad_sym",
      "footprint": "tps77633dr.kicad_mod",
      "model_3d": "tps77633dr-hero.glb",
      "model_3d_plain": "tps77633dr-etched.glb",
      "model_3d_step": "tps77633dr-etched.step",
      "model_3d_step_plain": "tps77633dr.step",
      "lbr": "tps77633dr.lbr"
    },
    "distributor_links": {
      "lcsc": "C130078",
      "digikey": "296-41777-2-ND",
      "mouser": "595-TPS77633DR"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T19:09:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-41777-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TPS77633DR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the regulator."
      },
      {
        "number": "2",
        "name": "EN",
        "type": "input",
        "description": "Negative-polarity enable input; applying a TTL high signal to EN shuts the regulator down, reducing quiescent current to 1µA at TJ = +25°C, and EN should be tied to ground if the shutdown feature is not used. Absolute maximum voltage at EN is −0.3 V to +16.5 V."
      },
      {
        "number": "3",
        "name": "IN",
        "type": "power_in",
        "description": "Input voltage pin; absolute maximum input voltage range is −0.3 V to +13.5 V."
      },
      {
        "number": "4",
        "name": "IN",
        "type": "power_in",
        "description": "Input voltage pin (second IN pin, connected in parallel with pin 3); absolute maximum input voltage range is −0.3 V to +13.5 V."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output voltage; an output capacitor of at least 10µF with ESR between 50mΩ and 1.5Ω is required between OUT and GND for stability."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output voltage (second OUT pin, connected in parallel with pin 5); an output capacitor of at least 10µF with ESR between 50mΩ and 1.5Ω is required between OUT and GND for stability."
      },
      {
        "number": "7",
        "name": "FB/NC",
        "type": "passive",
        "description": "Feedback voltage input for the adjustable version only; on the fixed-voltage version this pin is not internally connected (NC)."
      },
      {
        "number": "8",
        "name": "RESET/PG",
        "type": "output",
        "description": "Open-drain power-good (PG) output of the TPS776xx family, which the TPS77633 belongs to; it requires an external pullup resistor, may be left floating if unused, and has a maximum voltage of 16.5 V."
      }
    ],
    "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 datasheet text for pin 7 is garbled: Table 1 states it is the feedback pin for the adjustable ve; The SOIC-8 pin 8 is labeled RESET/PG in the datasheet. RESET applies to TPS775xx and PG to TPS776xx;; The datasheet provides SOIC-8 pin numbers for the TPS775xx/TPS776xx family. The TPS77633DR is listed"
        ],
        "pages_sent": 16,
        "cost_usd": 0.0926,
        "at": "2026-10-30T19:08:47"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/tps77633.pdf",
        "pages": 31,
        "sha256": "7764c2df7df2d85f",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tps77633dr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tps77633dr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6efb882f5ea8f6deb50923aa65bf809125d737fe7ecd52e531ab99af7e9a0a5a",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "D",
      "E1": {
        "nom_mm": 3.9,
        "range_mm": null
      },
      "E": {
        "nom_mm": 6.0,
        "range_mm": null
      },
      "e": {
        "nom_mm": 1.27,
        "range_mm": null
      },
      "source": "TI package designator D (no drawing in the datasheet)",
      "model_check": {
        "file": "tps77633dr.step",
        "verdict": "SKIP",
        "reasons": [
          "the datasheet dimensions give no height or body size to compare"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}