UCC28C52DR

{
  "slug": "ucc28c52dr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "ucc28c52dr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ucc28c52dr.kicad_sym",
    "ucc28c52dr.kicad_mod",
    "ucc28c52dr.glb",
    "ucc28c52dr.step",
    "ucc28c52dr.lbr",
    "docs/hero.png",
    "docs/ucc28c52dr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ucc28c52dr-hero.glb",
    "ucc28c52dr-hero.overlay.json",
    "ucc28c52dr-etched.glb"
  ],
  "component": {
    "mpn": "UCC28C52DR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/lit/ds/symlink/ucc28c52.pdf",
    "parts": {
      "symbol": "ucc28c52dr.kicad_sym",
      "footprint": "ucc28c52dr.kicad_mod",
      "model_3d": "ucc28c52dr-hero.glb",
      "model_3d_plain": "ucc28c52dr-etched.glb",
      "model_3d_step": "ucc28c52dr-etched.step",
      "model_3d_step_plain": "ucc28c52dr.step",
      "lbr": "ucc28c52dr.lbr"
    },
    "distributor_links": {
      "lcsc": "C20346029",
      "digikey": "296-UCC28C52DRTR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T21:30:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-UCC28C52DRTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output for compensation, internally current limited so zero duty cycle can be commanded by forcing COMP to GND."
      },
      {
        "number": "2",
        "name": "FB",
        "type": "input",
        "description": "Inverting input of the error amplifier whose noninverting input is internally trimmed to 2.5 V ± 1%, used for the voltage-feedback loop."
      },
      {
        "number": "3",
        "name": "CS",
        "type": "input",
        "description": "Primary-side current sense input to the PWM comparator, connected to the current sensing resistor, with a typical gain of 3 V/V."
      },
      {
        "number": "4",
        "name": "RT/CT",
        "type": "bidirectional",
        "description": "Fixed-frequency oscillator set point, with timing resistor to VREF and timing capacitor to GND setting the switching frequency."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return pin for the output driver stage and the logic level controller section."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "output",
        "description": "On-chip gate drive output sourcing and sinking up to 1 A peak, at oscillator frequency and near 100% duty cycle on the UCC28C52, and actively held low when VDD is below the turn-on threshold."
      },
      {
        "number": "7",
        "name": "VDD",
        "type": "power_in",
        "description": "Analog controller bias input with 30 V absolute maximum, requiring a 0.1 µF bypass capacitor to GND."
      },
      {
        "number": "8",
        "name": "VREF",
        "type": "power_out",
        "description": "5-V reference output (±1%) that charges the timing capacitor through the timing resistor, requiring at least a 0.1 µF ceramic bypass to GND and 55 mA maximum short-circuit current."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 13,
        "cost_usd": 0.1604,
        "at": "2026-10-22T21:30:39"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/ucc28c52.pdf",
        "pages": 58,
        "sha256": "d9b2cab289f0aa82",
        "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": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ucc28c52dr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "67b0d0cc8d38e3364cb6d6c0ff2d9eb84c59a7469ec0571983265094129255d7",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}