UCC2808ADTR-1

{
  "schema_version": 1,
  "type": "component",
  "slug": "ucc2808adtr-1",
  "title": "UCC2808ADTR-1",
  "brief": "Texas Instruments AC-DC Controllers And Regulators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "ucc2808adtr-1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "UCC2808ADTR-1",
    "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": {
      "symbol": "ucc2808adtr-1.kicad_sym",
      "footprint": "ucc2808adtr-1.kicad_mod",
      "model_3d": "ucc2808adtr-1-hero.glb",
      "model_3d_plain": "ucc2808adtr-1.glb",
      "model_3d_step": "ucc2808adtr-1-etched.step",
      "model_3d_step_plain": "ucc2808adtr-1.step",
      "lbr": "ucc2808adtr-1.lbr"
    },
    "distributor_links": {
      "lcsc": "C544714",
      "digikey": "296-48799-2-ND",
      "mouser": "595-UCC2808ADTR-1"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T23:12:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-48799-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-UCC2808ADTR-1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "COMP",
        "type": "output",
        "description": "COMP is the error amplifier output and PWM comparator input, can source and sink current with internal current limiting, and can be pulled to GND to force zero duty cycle; the series has full-cycle soft start implemented by clamping the maximum COMP voltage."
      },
      {
        "number": "2",
        "name": "FB",
        "type": "input",
        "description": "FB is the inverting input of the error amplifier, and its trace length and stray capacitance should be kept as short and small as possible for best stability."
      },
      {
        "number": "3",
        "name": "CS",
        "type": "input",
        "description": "CS is the PWM input and peak-current/overcurrent comparator input, where exceeding the overcurrent threshold (0.7 V to 0.8 V, 0.75 V typical) causes a soft-start cycle and an internal MOSFET discharges the current-sense filter capacitor."
      },
      {
        "number": "4",
        "name": "RC",
        "type": "output",
        "description": "RC is the oscillator programming pin, set by a timing resistor from VDD (recommended 10 kΩ to 200 kΩ, avoid below 10 kΩ) and a timing capacitor to GND (recommended 100 pF to 1000 pF), with approximate frequency = 1.41 / RC."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "GND is the reference and power ground for all functions, and a low-impedance ground plane is strongly recommended because of the high current and high frequency operation."
      },
      {
        "number": "6",
        "name": "OUTB",
        "type": "output",
        "description": "OUTB is an alternating high-current gate driver output, capable of 500 mA peak source and 1 A peak sink, switching at half the oscillator frequency in push-pull operation with dead time typically 60 ns to 200 ns."
      },
      {
        "number": "7",
        "name": "OUTA",
        "type": "output",
        "description": "OUTA is an alternating high-current gate driver output, capable of 500 mA peak source and 1 A peak sink, switching at half the oscillator frequency in push-pull operation with dead time typically 60 ns to 200 ns."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "VDD is the device supply input with recommended operating range of 13 V to 14 V for UCCx808A-1 and 5 V to 14 V for UCCx808A-2 (absolute maximum 15 V), and 1 µF decoupling to GND is recommended close to the pin."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet classifies the RC pin as type O (output), but it functions as an oscillator timing nod; Pinout taken from Figure 4-1 (D, 8-pin SOIC top view) and Table 4-1 (SOIC column). The datasheet's T"
        ],
        "pages_sent": 27,
        "cost_usd": 0.1069,
        "at": "2026-10-11T23:12:42"
      },
      "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
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ucc2808adtr-1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ucc2808adtr-1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "9c256d37801c33fd0cdf8111bd74b83529f874ba83afa38c0c1ef9ea1de2b84f",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ucc2808adtr-1"
  ],
  "discovery_pitch": "UCC2808ADTR-1 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ucc2808adtr-1.kicad_sym",
    "ucc2808adtr-1.kicad_mod",
    "ucc2808adtr-1.glb",
    "ucc2808adtr-1.step",
    "ucc2808adtr-1.lbr",
    "docs/hero.png",
    "docs/ucc2808adtr-1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ucc2808adtr-1-hero.glb",
    "ucc2808adtr-1-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}