UCC2808D-2

{
  "schema_version": 1,
  "type": "component",
  "slug": "ucc2808d-2",
  "title": "UCC2808D-2",
  "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)",
    "ucc2808d-2",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "UCC2808D-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/ds/symlink/ucc2808-2.pdf",
    "parts": {
      "symbol": "ucc2808d-2.kicad_sym",
      "footprint": "ucc2808d-2.kicad_mod",
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      "model_3d_plain": "ucc2808d-2.glb",
      "model_3d_step": "ucc2808d-2-etched.step",
      "model_3d_step_plain": "ucc2808d-2.step",
      "lbr": "ucc2808d-2.lbr"
    },
    "distributor_links": {
      "lcsc": "C1529939",
      "digikey": "296-2535-5-ND",
      "mouser": "595-UCC2808D-2"
    },
    "distributor_check": {
      "checked_at": "2026-10-12T02:17:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-2535-5-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "595-UCC2808D-2",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "COMP",
        "type": "bidirectional",
        "description": "Output of the error amplifier and input of the PWM comparator; the error amplifier is internally current limited so zero duty cycle can be forced by pulling COMP to GND, and soft-start clamps the maximum COMP voltage."
      },
      {
        "number": "2",
        "name": "FB",
        "type": "input",
        "description": "Inverting input to the error amplifier, with the lead length and stray capacitance kept small for best stability; analog input limit is -0.3 V to VDD + 0.3 V."
      },
      {
        "number": "3",
        "name": "CS",
        "type": "input",
        "description": "Input to the PWM, peak current, and overcurrent comparators, where exceeding the 0.7 V to 0.8 V overcurrent threshold causes a soft-start cycle; analog input limit is -0.3 V to VDD + 0.3 V."
      },
      {
        "number": "4",
        "name": "RC",
        "type": "input",
        "description": "Oscillator programming pin, with a timing resistor between 10 kΩ and 200 kΩ (avoid resistors below 10 kΩ) and a timing capacitor between 100 pF and 1000 pF."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Reference ground and power ground for all functions, which should be connected to a low-impedance ground plane."
      },
      {
        "number": "6",
        "name": "OUTB",
        "type": "output",
        "description": "Alternating high current output stage, capable of 500 mA peak source current and 1 A peak sink current, switching at half the oscillator frequency in push-pull with OUTA."
      },
      {
        "number": "7",
        "name": "OUTA",
        "type": "output",
        "description": "Alternating high current output stage, capable of 500 mA peak source current and 1 A peak sink current, switching at half the oscillator frequency in push-pull with OUTB."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Power input for the device; the recommended supply for the UCCx808-2 is 5 V to 14 V, with an absolute maximum of 15 V at IDD of 10 mA or less, and a 1 µF decoupling capacitor is recommended."
      }
    ],
    "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 MPN UCC2808-2 is the 4.3 V / 4.1 V UVLO option in the D (SOIC-8) package, and the datasheet pin ; The pin table on page 3 gives pin numbers for the SOIC-8 package only, and the pin numbers were take; Some section 6.3 pin descriptions (COMP, GND, OUTA/OUTB, RC) refer to the UCC3808 part rather than U"
        ],
        "pages_sent": 23,
        "cost_usd": 0.0867,
        "at": "2026-10-12T02:17:26"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/ds/symlink/ucc2808-2.pdf",
        "pages": 23,
        "sha256": "a5c633f933a10add",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4.9,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ucc2808d-2-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "92299358b88ceba7271961aac9a3fb3d54c2d969b54d9cd17e4e3e7f21cd80ac",
        "checked": "2026-10-12",
        "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": [
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  "discovery_triggers": [
    "ucc2808d-2"
  ],
  "discovery_pitch": "UCC2808D-2 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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