UCC2813PWTR-1

{
  "schema_version": 1,
  "type": "component",
  "slug": "ucc2813pwtr-1",
  "title": "UCC2813PWTR-1",
  "brief": "Texas Instruments AC-DC Controllers And Regulators, 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": [
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    "power management (pmic)",
    "ucc2813pwtr-1",
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  "component": {
    "mpn": "UCC2813PWTR-1",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-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": {
      "symbol": "ucc2813pwtr-1.kicad_sym",
      "footprint": "ucc2813pwtr-1.kicad_mod",
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      "lbr": "ucc2813pwtr-1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2868121",
      "digikey": "UCC2813PWTR-1-ND",
      "mouser": "595-UCC2813PWTR-1"
    },
    "distributor_check": {
      "checked_at": "2026-10-06T00:53:42Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "UCC2813PWTR-1-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-UCC2813PWTR-1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "COMP",
        "type": "output",
        "description": "Error amplifier output and PWM comparator input; feedback loop compensation applied between COMP and FB pins; supports 0.4 to 2.5 mA drain current and -0.2 to -0.8 mA source current; internal soft-start ramps voltage from 0V to REF-1V over 4ms."
      },
      {
        "number": "2",
        "name": "FB",
        "type": "input",
        "description": "Inverting input of error amplifier with -2 to 2 µA input bias current; minimize lead length and stray capacitance for best stability."
      },
      {
        "number": "3",
        "name": "CS",
        "type": "input",
        "description": "Current sensing comparator input with 100ns internal leading-edge blanking; gain 1.1 to 1.8 V/V with 1.65 V/V typical; maximum input signal 0.9 to 1.1V; overcurrent threshold 1.32 to 1.7V; input bias current ±200 nA."
      },
      {
        "number": "4",
        "name": "RC",
        "type": "input",
        "description": "Oscillator timing pin for programming switching frequency and maximum duty cycle using external RC network; recommended timing resistor 10kΩ to 200kΩ and timing capacitor 100pF to 1000pF; keep leads short and directly connected to GND."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Signal reference ground and power ground for all device functions; use separate ground trace for timing capacitor and critical signal paths."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "output",
        "description": "High-current power driver output capable of ±750mA to ±1A peak current for MOSFET gate drive; output low 0.1-0.4V at 20mA, output high VVCC-0.15-0.4V at -20mA; rise time 41-70ns, fall time 44-75ns with 1nF load; actively held low when VCC below UVLO threshold."
      },
      {
        "number": "7",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply bias input; minimum 11V for normal operation; startup current 0.1-0.23 mA, operating current 0.5-1.2 mA; internal Zener clamp at 12-13.5V nominal; bypass to GND with 0.1µF ceramic capacitor placed close to pin."
      },
      {
        "number": "8",
        "name": "REF",
        "type": "power_out",
        "description": "Voltage reference output 5V nominal with ±1.5% tolerance; bias source for error amplifier and IC logic functions; load regulation 10-30mV for 0.2-5mA load current; output noise 70µV (10Hz-10kHz); maximum 5mA output current; bypass to GND with minimum 0.1µF ceramic capacitor."
      }
    ],
    "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": 37,
        "cost_usd": 0.3029,
        "at": "2026-10-06T00:53:27"
      },
      "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
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSSOP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    }
  },
  "variants": [],
  "sections": [
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  "discovery_triggers": [
    "ucc2813pwtr-1"
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  "discovery_pitch": "UCC2813PWTR-1 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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