UCC28633DR

{
  "slug": "ucc28633dr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments AC-DC Controllers And Regulators, SOIC-7. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "ucc28633dr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ucc28633dr.kicad_sym",
    "ucc28633dr.kicad_mod",
    "ucc28633dr.glb",
    "ucc28633dr.step",
    "ucc28633dr.lbr",
    "docs/hero.png",
    "docs/ucc28633dr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ucc28633dr-hero.glb",
    "ucc28633dr-hero.overlay.json",
    "ucc28633dr-etched.glb"
  ],
  "component": {
    "mpn": "UCC28633DR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-7",
    "pin_count": 7,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://www.ti.com/lit/ds/symlink/ucc28633.pdf",
    "parts": {
      "symbol": "ucc28633dr.kicad_sym",
      "footprint": "ucc28633dr.kicad_mod",
      "model_3d": "ucc28633dr-hero.glb",
      "model_3d_plain": "ucc28633dr-etched.glb",
      "model_3d_step": "ucc28633dr-etched.step",
      "model_3d_step_plain": "ucc28633dr.step",
      "lbr": "ucc28633dr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2866976",
      "digikey": "296-44965-2-ND",
      "mouser": "595-UCC28633DR"
    },
    "distributor_check": {
      "checked_at": "2026-11-06T00:03:22Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-44965-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-UCC28633DR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VSENSE",
        "type": "input",
        "description": "Sense pin for the flyback transformer bias and sense winding used for output feedback regulation, output OVP, and input voltage sense/UV protection, with absolute maximum range -0.3 V to VDD."
      },
      {
        "number": "2",
        "name": "SD",
        "type": "input",
        "description": "Latching fault shutdown input pin that may be connected to an external temperature sensor, with absolute maximum range -0.3 V to VDD."
      },
      {
        "number": "3",
        "name": "CS",
        "type": "input",
        "description": "Current sense input, with recommended input range 0 to 1.0 V and absolute maximum range -0.3 V to 1.5 V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference connection for all signals; all voltages are specified with respect to GND."
      },
      {
        "number": "5",
        "name": "DRV",
        "type": "output",
        "description": "Output drive pin for the external flyback MOSFET, with high-level source resistance of 22 to 35 Ω and low-level sink resistance of 1.2 to 2.5 Ω."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Bias supply input with absolute maximum of 20 V, to be decoupled with a 1-µF ceramic bypass capacitor connected directly across pins 6-4."
      },
      {
        "number": "8",
        "name": "HV",
        "type": "power_in",
        "description": "High-voltage connection to the internal start-up current source, with absolute maximum of 700 V and an external 200 kΩ (180 to 220 kΩ) resistor on the HV pin."
      }
    ],
    "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 7 is not listed in the pin table (pins 1-6 and 8 only) for the 7-pin SOIC D package, so no pin 7"
        ],
        "pages_sent": 19,
        "cost_usd": 0.0278,
        "at": "2026-11-06T00:03:15"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/ucc28633.pdf",
        "pages": 86,
        "sha256": "ed73cdcfa09610b8",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 7,
        "described": 7,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ucc28633dr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.4,
          4.9,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4c9435ffd3683a4ae45655e397c25900eda4f6782a526780f4f7b7b99a32dca7",
        "checked": "2026-11-06",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ucc28633dr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.4,
          4.9,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e2225c4a01f7ba1df959d4b78ffd0ce58dda0a32fd056b08c41480e30718214d",
        "checked": "2026-11-06",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}