UCC3813PWTR-5

{
  "slug": "ucc3813pwtr-5",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments AC-DC Controllers And Regulators, TSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "ucc3813pwtr-5",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ucc3813pwtr-5.kicad_sym",
    "ucc3813pwtr-5.kicad_mod",
    "ucc3813pwtr-5.glb",
    "ucc3813pwtr-5.step",
    "ucc3813pwtr-5.lbr",
    "docs/hero.png",
    "docs/ucc3813pwtr-5-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ucc3813pwtr-5-hero.glb",
    "ucc3813pwtr-5-hero.overlay.json"
  ],
  "component": {
    "mpn": "UCC3813PWTR-5",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ucc3813-0",
    "parts": {
      "symbol": "ucc3813pwtr-5.kicad_sym",
      "footprint": "ucc3813pwtr-5.kicad_mod",
      "model_3d": "ucc3813pwtr-5-hero.glb",
      "model_3d_plain": "ucc3813pwtr-5.glb",
      "model_3d_step": "ucc3813pwtr-5-etched.step",
      "model_3d_step_plain": "ucc3813pwtr-5.step",
      "lbr": "ucc3813pwtr-5.lbr"
    },
    "distributor_links": {
      "lcsc": 544333,
      "digikey": "UCC3813PWTR-5-ND",
      "mouser": "595-UCC3813PWTR-5"
    },
    "distributor_check": {
      "checked_at": "2026-10-03T08:23:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "UCC3813PWTR-5-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-UCC3813PWTR-5",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output and PWM comparator input with internal soft start ramping from 0.5V to REF−1V over 4ms."
      },
      {
        "number": "2",
        "name": "FB",
        "type": "input",
        "description": "Inverting input to error amplifier; minimize trace length and parasitic capacitance for optimal stability with 2MHz gain-bandwidth."
      },
      {
        "number": "3",
        "name": "CS",
        "type": "input",
        "description": "Current sense comparator input with 100ns leading edge blanking, 1.65V/V typical gain, and 0.9V to 1.1V input range at VCOMP = 5V."
      },
      {
        "number": "4",
        "name": "RC",
        "type": "input",
        "description": "Oscillator timing input where external RT (10kΩ to 200kΩ recommended) and CT (100pF to 1000pF recommended) set switching frequency up to 1MHz and maximum 50% duty cycle."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Signal reference ground and power ground for all device functions."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "output",
        "description": "High current gate driver output with ±1A peak capability, actively held low below UVLO threshold, and 41-75ns rise/fall time at 1nF capacitive load."
      },
      {
        "number": "7",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply input with UVLO turn-on at 4.1V typical and turn-off at 3.6V typical; internal zener clamp at 13.5V typical (12V to 15V range)."
      },
      {
        "number": "8",
        "name": "REF",
        "type": "output",
        "description": "4V reference voltage (±1.5% accuracy at 25°C, 3.94V to 4.06V) biasing error amplifier and logic functions; short circuit current −5 to −35mA."
      }
    ],
    "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": 37,
        "cost_usd": 0.3251,
        "at": "2026-10-03T08:23:37"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ucc3813-0",
        "pages": 53,
        "sha256": "e691a7fcf4f2163a",
        "source_tier": "lcsc"
      },
      "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"
    }
  }
}