UCC38C42DR

{
  "slug": "ucc38c42dr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments AC-DC Controllers And Regulators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "ucc38c42dr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ucc38c42dr.kicad_sym",
    "ucc38c42dr.kicad_mod",
    "ucc38c42dr.glb",
    "ucc38c42dr.step",
    "ucc38c42dr.lbr",
    "docs/hero.png",
    "docs/ucc38c42dr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ucc38c42dr-hero.glb",
    "ucc38c42dr-hero.overlay.json"
  ],
  "component": {
    "mpn": "UCC38C42DR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://www.ti.com/lit/ds/symlink/ucc38c42.pdf",
    "parts": {
      "symbol": "ucc38c42dr.kicad_sym",
      "footprint": "ucc38c42dr.kicad_mod",
      "model_3d": "ucc38c42dr-hero.glb",
      "model_3d_plain": "ucc38c42dr.glb",
      "model_3d_step": "ucc38c42dr-etched.step",
      "model_3d_step_plain": "ucc38c42dr.step",
      "lbr": "ucc38c42dr.lbr"
    },
    "distributor_links": {
      "lcsc": "C702449",
      "digikey": "296-41819-2-ND",
      "mouser": "595-UCC38C42DR"
    },
    "distributor_check": {
      "checked_at": "2026-10-05T19:43:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-41819-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-UCC38C42DR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output for compensation with internal current limit allowing zero duty cycle command by forcing pin to GND."
      },
      {
        "number": "2",
        "name": "FB",
        "type": "input",
        "description": "Inverting input to error amplifier with 2.5V ± 1% noninverting reference for voltage-feedback loop control."
      },
      {
        "number": "3",
        "name": "CS",
        "type": "input",
        "description": "Primary-side current sense input (noninverting to PWM comparator) compared against error amplifier output to terminate OUT switch conduction."
      },
      {
        "number": "4",
        "name": "RT/CT",
        "type": "bidirectional",
        "description": "Oscillator set point pin; connect timing resistor (RRT) to VREF and timing capacitor (CCT) to GND to program switching frequency."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return pin for output driver stage and logic level controller section."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "output",
        "description": "Gate driver output with ±1A peak current drive and rail-to-rail swing; actively held low when VDD below turn-on threshold."
      },
      {
        "number": "7",
        "name": "VDD",
        "type": "power_in",
        "description": "Analog controller bias supply input (maximum 20V) requiring 0.1µF bypass capacitor directly to GND with minimal trace length."
      },
      {
        "number": "8",
        "name": "VREF",
        "type": "power_out",
        "description": "5V reference output with ±1% accuracy used to provide charging current through timing resistor; requires minimum 0.1µF ceramic bypass capacitor to GND."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 15,
        "cost_usd": 0.1382,
        "at": "2026-10-05T19:43:38"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/ucc38c42.pdf",
        "pages": 60,
        "sha256": "9fa55f996731c56b",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  }
}