UCC2808AQDR-1Q1

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  "slug": "ucc2808aqdr-1q1",
  "title": "UCC2808AQDR-1Q1",
  "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",
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  "component": {
    "mpn": "UCC2808AQDR-1Q1",
    "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/ucc2808a-2q1",
    "parts": {
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      "lbr": "ucc2808aqdr-1q1.lbr"
    },
    "distributor_links": {
      "lcsc": "C702419",
      "digikey": "296-17986-2-ND",
      "mouser": "595-UCC2808AQDR-1Q1"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T20:53:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-17986-2-ND",
        "status": "found"
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      "mouser": {
        "pn": "595-UCC2808AQDR-1Q1",
        "status": "found"
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    },
    "pins": [
      {
        "number": "1",
        "name": "COMP",
        "type": "bidirectional",
        "description": "COMP is the error amplifier output and the PWM comparator input, and the error amplifier has an internal current limit so COMP can be pulled to GND externally to force zero duty cycle."
      },
      {
        "number": "2",
        "name": "FB",
        "type": "input",
        "description": "FB is the inverting input of the error amplifier, and its lead 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 (0.65 V to 0.85 V) triggers a soft-start cycle and an internal MOSFET discharges the current-sense filter capacitor."
      },
      {
        "number": "4",
        "name": "RC",
        "type": "input",
        "description": "RC is the oscillator programming pin, with a timing resistor from VDD and a timing capacitor to GND, where the datasheet recommends 10 kΩ to 200 kΩ for the resistor and 100 pF to 1000 pF for the capacitor."
      },
      {
        "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 the device operates at high current and high frequency."
      },
      {
        "number": "6",
        "name": "OUTB",
        "type": "output",
        "description": "OUTB is a high-current gate-drive output that switches between VDD and GND to drive a power MOSFET gate, rated for 500 mA peak source and 1 A peak sink."
      },
      {
        "number": "7",
        "name": "OUTA",
        "type": "output",
        "description": "OUTA is a high-current gate-drive output that switches between VDD and GND to drive a power MOSFET gate, rated for 500 mA peak source and 1 A peak sink."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "VDD is the device supply input, with a recommended range of 13 V to 14 V for the UCC2808-1 version (5 V to 14 V for -2) and an absolute maximum of 15 V at IDD ≤ 10 mA."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "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 pin table labels OUTA and OUTB as type I/O. They are mapped here to KiCad 'output' bec; The recommended VDD range in Section 6.3 is listed for 'UCC2808-1' and 'UCC2808-2' (without the A or; The pinout is taken from the D (SOIC-8) package pin table on page 4, which is the only package given"
        ],
        "pages_sent": 22,
        "cost_usd": 0.0895,
        "at": "2026-10-11T20:52:49"
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      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ucc2808a-2q1",
        "pages": 22,
        "sha256": "c8a6b7947402ee8a",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
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        "refuses_to_fabricate": true
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        "checked": "2026-10-11",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    }
  },
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  "discovery_pitch": "UCC2808AQDR-1Q1 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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