UCC2813QPWR-3Q1

{
  "schema_version": 1,
  "type": "component",
  "slug": "ucc2813qpwr-3q1",
  "title": "UCC2813QPWR-3Q1",
  "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",
  "tags": [
    "component",
    "power supply chip",
    "ucc2813qpwr-3q1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "UCC2813QPWR-3Q1",
    "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/ucc2813-0-q1",
    "parts": {
      "symbol": "ucc2813qpwr-3q1.kicad_sym",
      "footprint": "ucc2813qpwr-3q1.kicad_mod",
      "model_3d": "ucc2813qpwr-3q1-hero.glb",
      "model_3d_plain": "ucc2813qpwr-3q1.glb",
      "model_3d_step": "ucc2813qpwr-3q1-etched.step",
      "model_3d_step_plain": "ucc2813qpwr-3q1.step",
      "lbr": "ucc2813qpwr-3q1.lbr"
    },
    "distributor_links": {
      "lcsc": 2658570,
      "digikey": "296-22002-2-ND",
      "mouser": "595-UCC2813QPWR-3Q1"
    },
    "distributor_check": {
      "checked_at": "2026-10-03T04:38:19Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-22002-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-UCC2813QPWR-3Q1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output and PWM comparator input; feedback loop compensation is applied between this pin and the FB pin; clamped by internal soft-start to 4ms ramp from 0V on device startup or after overcurrent fault."
      },
      {
        "number": "2",
        "name": "FB",
        "type": "input",
        "description": "Inverting input of the error amplifier; receives feedback signal for output voltage regulation; voltage range −0.1V to 6V or VVCC, whichever is smaller."
      },
      {
        "number": "3",
        "name": "CS",
        "type": "input",
        "description": "Current sense comparator input for both PWM and overcurrent functions with 100ns leading-edge blanking; maximum input signal 0.9V to 1.1V with 1.65V/V gain typical; input bias current ±200nA."
      },
      {
        "number": "4",
        "name": "RC",
        "type": "input",
        "description": "Oscillator timing programming pin; external resistor and capacitor program switching frequency from 1kHz to 1MHz and maximum duty cycle; voltage range −0.1V to 6V or VVCC."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Reference ground for all device functions and power supply ground; low-current path for all return signals to minimize noise coupling."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "output",
        "description": "High-current CMOS totem-pole output capable of driving MOSFET gates with ±1A peak current; output range −0.1V to VVCC; pulled low during UVLO; includes on-chip zener clamp to VCC."
      },
      {
        "number": "7",
        "name": "VCC",
        "type": "power_in",
        "description": "Bias power supply input; typically 11V from low-impedance source during normal operation through current-limiting resistor; internal zener clamp at 13.5V typical; UVLO thresholds 4.1V turn-on, 3.6V turn-off for this -3 variant."
      },
      {
        "number": "8",
        "name": "REF",
        "type": "output",
        "description": "4V precision voltage reference output (±1.5% tolerance at 25°C) for error amplifier and internal biasing; source capability 5mA; requires 0.1µF ceramic bypass capacitor to GND; pulled low through 5kΩ internal resistor when VCC is 1V to UVLO threshold."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 35,
        "cost_usd": 0.2589,
        "at": "2026-10-03T04:37:56"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ucc2813-0-q1",
        "pages": 47,
        "sha256": "114dd59e68535e9e",
        "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"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSSOP-8",
      "Category": "Power Supply Chip",
      "Pins": "8"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ucc2813qpwr-3q1"
  ],
  "discovery_pitch": "UCC2813QPWR-3Q1 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ucc2813qpwr-3q1.kicad_sym",
    "ucc2813qpwr-3q1.kicad_mod",
    "ucc2813qpwr-3q1.glb",
    "ucc2813qpwr-3q1.step",
    "ucc2813qpwr-3q1.lbr",
    "docs/hero.png",
    "docs/ucc2813qpwr-3q1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ucc2813qpwr-3q1-hero.glb",
    "ucc2813qpwr-3q1-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}