UCC28950QPWRQ1

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  "type": "component",
  "slug": "ucc28950qpwrq1",
  "title": "UCC28950QPWRQ1",
  "brief": "Texas Instruments DC-DC Converters, TSSOP-24. 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)",
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  "component": {
    "mpn": "UCC28950QPWRQ1",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-24",
    "pin_count": 24,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ucc28950-q1",
    "parts": {
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    "distributor_links": {
      "lcsc": "C702433",
      "digikey": "296-35064-2-ND",
      "mouser": "595-UCC28950QPWRQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-01T08:56:39Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-35064-2-ND",
        "status": "found"
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      "mouser": {
        "pn": "595-UCC28950QPWRQ1",
        "status": "found"
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    },
    "pins": [
      {
        "number": "1",
        "name": "VREF",
        "type": "power_in",
        "description": "5V reference voltage output with ±1.5% accuracy and 20mA source capability."
      },
      {
        "number": "2",
        "name": "EA+",
        "type": "input",
        "description": "Error amplifier noninverting input."
      },
      {
        "number": "3",
        "name": "EA–",
        "type": "input",
        "description": "Error amplifier inverting input."
      },
      {
        "number": "4",
        "name": "COMP",
        "type": "bidirectional",
        "description": "Error amplifier output and input to the PWM comparator."
      },
      {
        "number": "5",
        "name": "SS/EN",
        "type": "input",
        "description": "Soft-start programming input, device enable control, and hiccup mode protection circuit input."
      },
      {
        "number": "6",
        "name": "DELAB",
        "type": "input",
        "description": "Dead-time delay programming input between OUTA and OUTB."
      },
      {
        "number": "7",
        "name": "DELCD",
        "type": "input",
        "description": "Dead-time delay programming input between OUTC and OUTD."
      },
      {
        "number": "8",
        "name": "DELEF",
        "type": "input",
        "description": "Delay-time programming input between OUTA to OUTF and OUTB to OUTE."
      },
      {
        "number": "9",
        "name": "TMIN",
        "type": "input",
        "description": "Minimum duty cycle programming input in burst mode."
      },
      {
        "number": "10",
        "name": "RT",
        "type": "input",
        "description": "Oscillator frequency set input and leader or follower mode setting."
      },
      {
        "number": "11",
        "name": "RSUM",
        "type": "input",
        "description": "Slope compensation programming input for voltage mode or peak current mode setting."
      },
      {
        "number": "12",
        "name": "DCM",
        "type": "input",
        "description": "DCM threshold setting input."
      },
      {
        "number": "13",
        "name": "ADELEF",
        "type": "input",
        "description": "Delay-time programming input between primary side and secondary side switches."
      },
      {
        "number": "14",
        "name": "ADEL",
        "type": "input",
        "description": "Dead-time programming input for the primary switches over CS voltage range."
      },
      {
        "number": "15",
        "name": "CS",
        "type": "input",
        "description": "Current sense input for cycle-by-cycle overcurrent protection and adaptive delay functions."
      },
      {
        "number": "16",
        "name": "SYNC",
        "type": "bidirectional",
        "description": "Synchronization output from leader controller and synchronization input to follower controller."
      },
      {
        "number": "17",
        "name": "OUTF",
        "type": "output",
        "description": "Primary switching output with 0.2A sink and source capability."
      },
      {
        "number": "18",
        "name": "OUTE",
        "type": "output",
        "description": "Primary switching output with 0.2A sink and source capability."
      },
      {
        "number": "19",
        "name": "OUTD",
        "type": "output",
        "description": "Primary switching output with 0.2A sink and source capability."
      },
      {
        "number": "20",
        "name": "OUTC",
        "type": "output",
        "description": "Primary switching output with 0.2A sink and source capability."
      },
      {
        "number": "21",
        "name": "OUTB",
        "type": "output",
        "description": "Primary switching output with 0.2A sink and source capability."
      },
      {
        "number": "22",
        "name": "OUTA",
        "type": "output",
        "description": "Primary switching output with 0.2A sink and source capability."
      },
      {
        "number": "23",
        "name": "VDD",
        "type": "power_in",
        "description": "Bias supply input voltage with recommended operating range 8V to 17V."
      },
      {
        "number": "24",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference node for all signals."
      }
    ],
    "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": 8,
        "cost_usd": 0.0939,
        "at": "2026-10-01T08:56:18"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ucc28950-q1",
        "pages": 81,
        "sha256": "f87284109bd08aff",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 24,
        "described": 24,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSSOP-24",
      "Category": "Power Management (PMIC)",
      "Pins": "24"
    }
  },
  "variants": [],
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  "discovery_pitch": "UCC28950QPWRQ1 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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