UCC2813DTR-2

{
  "slug": "ucc2813dtr-2",
  "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)",
    "ucc2813dtr-2",
    "factory-2.0.0",
    "extractor-text"
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  "dependencies": {},
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    "ucc2813dtr-2.step",
    "ucc2813dtr-2.lbr",
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    "docs/ucc2813dtr-2-datasheet.pdf",
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    "viewers/footprint.html",
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  "component": {
    "mpn": "UCC2813DTR-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/gpn/ucc3813-0",
    "parts": {
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      "footprint": "ucc2813dtr-2.kicad_mod",
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      "lbr": "ucc2813dtr-2.lbr"
    },
    "distributor_links": {
      "lcsc": "C2868738",
      "digikey": "296-45280-2-ND",
      "mouser": "595-UCC2813DTR-2"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T22:43:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-45280-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-UCC2813DTR-2",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "COMP",
        "type": "output",
        "description": "COMP is the error amplifier output and the PWM comparator input, with feedback loop compensation applied between this pin and FB, and the internal error amplifier has a current limit."
      },
      {
        "number": "2",
        "name": "FB",
        "type": "input",
        "description": "FB is the inverting input of the error amplifier, and its trace should be kept short with minimal stray capacitance for best stability."
      },
      {
        "number": "3",
        "name": "CS",
        "type": "input",
        "description": "CS is the input to the current-sense comparators (PWM and overcurrent), connected directly to the MOSFET source sense resistor, with 100 ns internal leading-edge blanking."
      },
      {
        "number": "4",
        "name": "RC",
        "type": "input",
        "description": "RC is the oscillator timing pin, where an external resistor from REF and a capacitor to GND set the switching frequency and maximum duty cycle; the datasheet recommends RT of 10 kΩ to 200 kΩ and CT of 100 pF to 1000 pF and says RT must never be below 10 kΩ."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "GND is the reference ground and power ground for all device functions, and the datasheet recommends separating the signal return path from the high-current gate-driver path."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "output",
        "description": "OUT is the high-current power driver output for the power MOSFET gate, capable of peak drive current above ±750 mA (up to ±1 A), and is actively held low when VCC is below the UVLO threshold."
      },
      {
        "number": "7",
        "name": "VCC",
        "type": "power_in",
        "description": "VCC is the device bias supply input, normally fed from a low-impedance source through a current-limiting resistor and bypassed to GND with a 0.1 µF ceramic capacitor, with an internal zener clamp of about 13.5 V typical and a 12 V absolute maximum supply rating."
      },
      {
        "number": "8",
        "name": "REF",
        "type": "output",
        "description": "REF is the voltage reference for the error amplifier and logic supply, providing 5 V for UCCx813-[0,1,2,4] (4 V for UCCx813-[3,5]), and requires a ceramic bypass capacitor of at least 0.1 µF to GND with a recommended REF output current of 5 mA maximum."
      }
    ],
    "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: Pin numbers and names come from the Table 5-1 pin function table and the top-view figure 5-1 (D/N pa; The REF pin output current limit of 5 mA is taken from the recommended operating conditions table (I; VCC is typed as power_in as a supply input. The datasheet calls it the device bias supply input; the"
        ],
        "pages_sent": 37,
        "cost_usd": 0.2082,
        "at": "2026-10-07T22:43:16"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ucc3813-0",
        "pages": 53,
        "sha256": "e691a7fcf4f2163a",
        "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": -0.0,
        "centre_offset_mm": 0.0,
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        "checked": "2026-10-07",
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}