UCC2808AD-1

{
  "slug": "ucc2808ad-1",
  "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-1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ucc2808ad-1.kicad_sym",
    "ucc2808ad-1.kicad_mod",
    "ucc2808ad-1.glb",
    "ucc2808ad-1.step",
    "ucc2808ad-1.lbr",
    "docs/hero.png",
    "docs/ucc2808ad-1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ucc2808ad-1-hero.glb",
    "ucc2808ad-1-hero.overlay.json"
  ],
  "component": {
    "mpn": "UCC2808AD-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": "ucc2808ad-1.kicad_sym",
      "footprint": "ucc2808ad-1.kicad_mod",
      "model_3d": "ucc2808ad-1-hero.glb",
      "model_3d_plain": "ucc2808ad-1.glb",
      "model_3d_step": "ucc2808ad-1-etched.step",
      "model_3d_step_plain": "ucc2808ad-1.step",
      "lbr": "ucc2808ad-1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2860084",
      "digikey": "296-11395-5-ND",
      "mouser": "595-UCC2808AD-1"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T14:53:00Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-11395-5-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "595-UCC2808AD-1",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "COMP",
        "type": "output",
        "description": "COMP is the error amplifier output and PWM comparator input; the 2MHz low-output-impedance amplifier can source and sink current, can be pulled to GND to force zero duty cycle, and soft start is 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 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 resistor from VDD and a capacitor to GND with recommended timing resistance of 10 kΩ to 200 kΩ and timing capacitance of 100 pF to 1000 pF (avoid resistors below 10 kΩ)."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "GND is the reference and power ground for all functions, and a low-impedance circuit board ground plane is strongly recommended because of high current and high-frequency operation."
      },
      {
        "number": "6",
        "name": "OUTB",
        "type": "output",
        "description": "OUTB is an alternating high-current gate-drive output that switches at half the oscillator frequency with a 60 ns to 200 ns dead time, providing 500 mA peak source and 1 A peak sink current to a power MOSFET gate."
      },
      {
        "number": "7",
        "name": "OUTA",
        "type": "output",
        "description": "OUTA is an alternating high-current gate-drive output that switches at half the oscillator frequency with a 60 ns to 200 ns dead time, providing 500 mA peak source and 1 A peak sink current to a power MOSFET gate."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "VDD is the device supply input, recommended at 13 V to 14 V for the UCCx808A-1 (5 V to 14 V for -2 variants) and bypassed to GND close to the pin with a 1 µF (or greater) ceramic capacitor plus electrolytic capacitor; absolute maximum supply voltage is 15 V."
      }
    ],
    "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: Pinout taken from the D (SOIC-8) package pin-function table (Table 4-1) and Figure 4-1 (top view); p; The MPN UCC2808AD-1 is listed as Obsolete in the package option addendum (page 17). The active order; Pin descriptions are condensed to one sentence each from the Chinese-translated datasheet text; the "
        ],
        "pages_sent": 27,
        "cost_usd": 0.1092,
        "at": "2026-10-11T14:52:43"
      },
      "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": "ucc2808ad-1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ucc2808ad-1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "79616eea3d6d024b99985633d425979f958f0dbd413b7ded72afe23c3790d898",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}