UCC2808APWTR-2

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  "slug": "ucc2808apwtr-2",
  "title": "UCC2808APWTR-2",
  "brief": "Texas Instruments DC-DC Controllers, TSSOP-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": "UCC2808APWTR-2",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-8",
    "pin_count": 8,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Controllers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ucc3808a-2",
    "parts": {
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      "lbr": "ucc2808apwtr-2.lbr"
    },
    "distributor_links": {
      "lcsc": "C702418",
      "digikey": "296-43115-2-ND",
      "mouser": "595-UCC2808APWTR-2"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T21:39:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-43115-2-ND",
        "status": "found",
        "lifecycle": "Active"
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      "mouser": {
        "pn": "595-UCC2808APWTR-2",
        "status": "found"
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    },
    "pins": [
      {
        "number": "1",
        "name": "OUTA",
        "type": "output",
        "description": "Alternating high-current gate-drive output that can source 500 mA peak and sink 1 A peak, switching at half the oscillator frequency with 60 ns to 200 ns dead time between OUTA and OUTB."
      },
      {
        "number": "2",
        "name": "VDD",
        "type": "power_in",
        "description": "Device supply input; the recommended operating range is 5 V to 14 V for UCCx808A-2, the absolute maximum is 15 V, and a 1 µF decoupling capacitor placed close to the pins is recommended."
      },
      {
        "number": "3",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output and PWM comparator input, a low-output-impedance 2 MHz amplifier that can source and sink current; pulling COMP to GND forces zero duty cycle and the maximum COMP voltage is clamped to provide soft start."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Inverting input of the error amplifier, where the FB trace should be kept as short as possible and stray capacitance minimized for best stability."
      },
      {
        "number": "5",
        "name": "CS",
        "type": "input",
        "description": "PWM input, peak current sense and overcurrent comparator whose overcurrent threshold is 0.7 V to 0.8 V (0.75 V typical), with an internal MOSFET that discharges the current-sense filter capacitor each cycle."
      },
      {
        "number": "6",
        "name": "RC",
        "type": "output",
        "description": "Oscillator programming pin, where a timing resistor of 10 kΩ to 200 kΩ connects from VDD to RC and a timing capacitor of 100 pF to 1000 pF connects from RC to GND, and resistors below 10 kΩ should be avoided."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Reference and power ground for all functions, where a low-impedance board ground plane is strongly recommended because of the high-current, high-frequency operation."
      },
      {
        "number": "8",
        "name": "OUTB",
        "type": "output",
        "description": "Alternating high-current gate-drive output that can source 500 mA peak and sink 1 A peak, switching at half the oscillator frequency with 60 ns to 200 ns dead time between OUTB and OUTA."
      }
    ],
    "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's pin table classifies RC as an output (O), but its function is an oscillator timing n; The pinout is taken from the PW (TSSOP-8) figure and Table 4-1 column for UCC2808A-x; the ordering t"
        ],
        "pages_sent": 27,
        "cost_usd": 0.1154,
        "at": "2026-10-08T21:38:41"
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      "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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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "cf28a51742b2e31065e201d1b313207140cbfb49062efd938788f7a310d02738",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "632336708d16ef0ceee1f84d37d13aca5d955ae3229c0c1e0c65827a92c71bd4",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSSOP-8",
      "Category": "Power Supply Chip",
      "Pins": "8"
    }
  },
  "variants": [],
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  "discovery_pitch": "UCC2808APWTR-2 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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