UCC28051DR

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  "type": "component",
  "slug": "ucc28051dr",
  "title": "UCC28051DR",
  "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": "UCC28051DR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://www.ti.com/lit/ds/symlink/ucc28051.pdf",
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    "distributor_links": {
      "lcsc": "C2862340",
      "digikey": "296-27158-2-ND",
      "mouser": "595-UCC28051DR"
    },
    "distributor_check": {
      "checked_at": "2026-10-06T02:42:35Z",
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    "pins": [
      {
        "number": "1",
        "name": "VO_SNS",
        "type": "input",
        "description": "Senses boost regulator output voltage through a voltage divider with nominal value of 2.5 V as the inverting input to the transconductance amplifier."
      },
      {
        "number": "2",
        "name": "COMP",
        "type": "output",
        "description": "Transconductance error amplifier output with 10-μA typical output current capability and dynamic input range of 2.5 V to 3.8 V."
      },
      {
        "number": "3",
        "name": "MULTIN",
        "type": "input",
        "description": "Senses boost regulator input voltage through a voltage divider with recommended operating range of 0 V to 2.5 V at high line."
      },
      {
        "number": "4",
        "name": "CS",
        "type": "input",
        "description": "Senses instantaneous switch current in the boost switch for internal PWM comparator ramp with internal clamp terminating switching if voltage exceeds 1.7 V."
      },
      {
        "number": "5",
        "name": "ZCD",
        "type": "input",
        "description": "Input for zero current detect comparator with active voltage clamps and 400-μs reset timer if zero current is not detected."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Chip reference ground with all bypassing elements connected using shortest loops feasible."
      },
      {
        "number": "7",
        "name": "DRV",
        "type": "output",
        "description": "Gate drive output for external boost switch capable of delivering up to 750-mA peak currents and held low below UVLO threshold."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage for the chip requiring bypass with high-frequency capacitor greater than 0.1-μF; UCC28051 has narrow UVLO hysteresis of approximately 2.8 V."
      }
    ],
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        "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": 8,
        "cost_usd": 0.0757,
        "at": "2026-10-06T02:42:22"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/ucc28051.pdf",
        "pages": 34,
        "sha256": "d08eb767e98eabd8",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    }
  },
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  "discovery_pitch": "UCC28051DR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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