UCC3813DTR-4

{
  "slug": "ucc3813dtr-4",
  "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": [
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    "power management (pmic)",
    "ucc3813dtr-4",
    "factory-2.0.0",
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  "component": {
    "mpn": "UCC3813DTR-4",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ucc3813-0",
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      "lbr": "ucc3813dtr-4.lbr"
    },
    "distributor_links": {
      "lcsc": "C2868174",
      "digikey": "296-UCC3813DTR-4TR-ND",
      "mouser": "595-UCC3813DTR-4"
    },
    "distributor_check": {
      "checked_at": "2026-10-05T23:42:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-UCC3813DTR-4TR-ND",
        "status": "found"
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        "pn": "595-UCC3813DTR-4",
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    "pins": [
      {
        "number": "1",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output and PWM comparator input with internal soft start clamping from 0V to 5V over 4ms."
      },
      {
        "number": "2",
        "name": "FB",
        "type": "input",
        "description": "Inverting input of error amplifier with 2.5V typical input voltage; minimize lead length and stray capacitance for stability."
      },
      {
        "number": "3",
        "name": "CS",
        "type": "input",
        "description": "Current sense input with 1.65V/V typical gain, 100ns leading edge blanking, 0.9-1.1V maximum signal, and ±200nA input bias current."
      },
      {
        "number": "4",
        "name": "RC",
        "type": "input",
        "description": "Oscillator timing programming pin; external RC network sets switching frequency up to 1MHz and maximum duty cycle (50% for UCC3813-4)."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Signal and power reference ground for all device functions; separate return paths recommended to isolate signal and gate drive currents."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "output",
        "description": "High-current totem-pole gate driver output with ±750mA to ±1A peak drive capability, actively held low during UVLO, with on-chip Zener clamping to VCC."
      },
      {
        "number": "7",
        "name": "VCC",
        "type": "power_in",
        "description": "Bias power supply input requiring 11V minimum from low impedance source, 0.1µF bypass capacitor, with internal Zener regulation at 13.5V typical."
      },
      {
        "number": "8",
        "name": "REF",
        "type": "output",
        "description": "5V (4.925-5.075V) regulated voltage reference output with ±1.5% accuracy at 25°C, 0.1µF bypass capacitor required, and 5mA maximum output current."
      }
    ],
    "provenance": {
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        "factory": "2.0.0",
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        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 37,
        "cost_usd": 0.3223,
        "at": "2026-10-05T23:41:54"
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      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ucc3813-0",
        "pages": 53,
        "sha256": "e691a7fcf4f2163a",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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