UCC2808AD-2

{
  "slug": "ucc2808ad-2",
  "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)",
    "ucc2808ad-2",
    "factory-2.0.0",
    "extractor-text"
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  "dependencies": {},
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    "path": "docs/hero.png"
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    "ucc2808ad-2.glb",
    "ucc2808ad-2.step",
    "ucc2808ad-2.lbr",
    "docs/hero.png",
    "docs/ucc2808ad-2-datasheet.pdf",
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    "viewers/footprint.html",
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  "component": {
    "mpn": "UCC2808AD-2",
    "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/ucc3808a-2",
    "parts": {
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      "footprint": "ucc2808ad-2.kicad_mod",
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      "model_3d_plain": "ucc2808ad-2.glb",
      "model_3d_step": "ucc2808ad-2-etched.step",
      "model_3d_step_plain": "ucc2808ad-2.step",
      "lbr": "ucc2808ad-2.lbr"
    },
    "distributor_links": {
      "lcsc": "C1519419",
      "digikey": "296-11396-5-ND",
      "mouser": "595-UCC2808AD-2"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T08:54:13Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-11396-5-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "595-UCC2808AD-2",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output and PWM comparator input; 2MHz operational amplifier with low output impedance capable of sourcing and sinking current with internal current limiting."
      },
      {
        "number": "2",
        "name": "FB",
        "type": "input",
        "description": "Inverting input of the error amplifier; minimize lead length and stray capacitance for optimal stability."
      },
      {
        "number": "3",
        "name": "CS",
        "type": "input",
        "description": "PWM input and peak current comparator with 0.75V overcurrent threshold that triggers soft-start cycle; internal MOSFET discharges current-sense filter capacitor to improve converter dynamic response."
      },
      {
        "number": "4",
        "name": "RC",
        "type": "output",
        "description": "Oscillator timing pin; connect external RC network with resistor 10-200kΩ to VDD and capacitor 100-1000pF to GND to program frequency per f=1.41/(RC), typical 175-213 kHz."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Reference ground and power supply ground for all functions; low-impedance PCB ground plane required due to high-current and high-frequency operation."
      },
      {
        "number": "6",
        "name": "OUTB",
        "type": "output",
        "description": "High-current alternating output stage capable of 500mA peak source current and 1A peak sink current; switches at half oscillator frequency with 60-200ns dead-time relative to OUTA."
      },
      {
        "number": "7",
        "name": "OUTA",
        "type": "output",
        "description": "High-current alternating output stage capable of 500mA peak source current and 1A peak sink current; switches at half oscillator frequency with 60-200ns dead-time relative to OUTB."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input (5-14V for UCC2808A-2); bypass with 1µF ceramic capacitor close to device; total current is sum of static current and average output current dependent on switching frequency."
      }
    ],
    "provenance": {
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      "factory_chain": {
        "factory": "2.0.0",
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        "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": 27,
        "cost_usd": 0.1782,
        "at": "2026-10-07T08:54:00"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ucc3808a-2",
        "pages": 27,
        "sha256": "a8e88286e9a900bf",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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        "zmin_mm": -0.0,
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        "checked": "2026-10-07",
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  }
}