UCD9090QRGZRQ1

{
  "slug": "ucd9090qrgzrq1",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Monitors & Reset Circuits, VQFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "ucd9090qrgzrq1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ucd9090qrgzrq1.kicad_sym",
    "ucd9090qrgzrq1.kicad_mod",
    "ucd9090qrgzrq1.glb",
    "ucd9090qrgzrq1.step",
    "ucd9090qrgzrq1.lbr",
    "docs/hero.png",
    "docs/ucd9090qrgzrq1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ucd9090qrgzrq1-hero.glb",
    "ucd9090qrgzrq1-hero.overlay.json",
    "ucd9090qrgzrq1-etched.glb"
  ],
  "component": {
    "mpn": "UCD9090QRGZRQ1",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-48-EP(7x7)",
    "pin_count": 49,
    "category": "Power Supply Chip",
    "subcategory": "Monitors & Reset Circuits",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ucd9090-q1",
    "parts": {
      "symbol": "ucd9090qrgzrq1.kicad_sym",
      "footprint": "ucd9090qrgzrq1.kicad_mod",
      "model_3d": "ucd9090qrgzrq1-hero.glb",
      "model_3d_plain": "ucd9090qrgzrq1-etched.glb",
      "model_3d_step": "ucd9090qrgzrq1-etched.step",
      "model_3d_step_plain": "ucd9090qrgzrq1.step",
      "lbr": "ucd9090qrgzrq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2871582"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T23:12:45Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 615 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "MON1",
        "type": "input",
        "description": "Analog monitor input with a 0 V to 2.5 V range."
      },
      {
        "number": "2",
        "name": "MON2",
        "type": "input",
        "description": "Analog monitor input with a 0 V to 2.5 V range."
      },
      {
        "number": "3",
        "name": "RESET",
        "type": "input",
        "description": "Active-low device reset input; hold low for at least 2 µs to reset the device."
      },
      {
        "number": "4",
        "name": "GPIO1",
        "type": "bidirectional",
        "description": "General-purpose discrete I/O."
      },
      {
        "number": "5",
        "name": "GPIO2",
        "type": "bidirectional",
        "description": "General-purpose discrete I/O."
      },
      {
        "number": "6",
        "name": "GPIO3",
        "type": "bidirectional",
        "description": "General-purpose discrete I/O."
      },
      {
        "number": "7",
        "name": "GPIO4",
        "type": "bidirectional",
        "description": "General-purpose discrete I/O."
      },
      {
        "number": "8",
        "name": "PMBUS_CLK",
        "type": "bidirectional",
        "description": "PMBus clock; must have a pullup to 3.3 V."
      },
      {
        "number": "9",
        "name": "PMBUS_DATA",
        "type": "bidirectional",
        "description": "PMBus data; must have a pullup to 3.3 V."
      },
      {
        "number": "10",
        "name": "FPWM1/GPIO5",
        "type": "bidirectional",
        "description": "PWM output (15.259 kHz to 125 MHz) or GPIO."
      },
      {
        "number": "11",
        "name": "FPWM2/GPIO6",
        "type": "bidirectional",
        "description": "PWM output (15.259 kHz to 125 MHz) or GPIO."
      },
      {
        "number": "12",
        "name": "FPWM3/GPIO7",
        "type": "bidirectional",
        "description": "PWM output (15.259 kHz to 125 MHz) or GPIO."
      },
      {
        "number": "13",
        "name": "FPWM4/GPIO8",
        "type": "bidirectional",
        "description": "PWM output (15.259 kHz to 125 MHz) or GPIO."
      },
      {
        "number": "14",
        "name": "FPWM5/GPIO9",
        "type": "bidirectional",
        "description": "PWM output (15.259 kHz to 125 MHz) or GPIO."
      },
      {
        "number": "15",
        "name": "FPWM6/GPIO10",
        "type": "bidirectional",
        "description": "PWM output (15.259 kHz to 125 MHz) or GPIO."
      },
      {
        "number": "16",
        "name": "FPWM7/GPIO11",
        "type": "bidirectional",
        "description": "PWM output (15.259 kHz to 125 MHz) or GPIO."
      },
      {
        "number": "17",
        "name": "FPWM8/GPIO12",
        "type": "bidirectional",
        "description": "PWM output (15.259 kHz to 125 MHz) or GPIO."
      },
      {
        "number": "18",
        "name": "GPIO13",
        "type": "bidirectional",
        "description": "General-purpose discrete I/O."
      },
      {
        "number": "19",
        "name": "PMBUS_ALERT",
        "type": "output",
        "description": "PMBus alert, active-low open-drain output; must have a pullup to 3.3 V."
      },
      {
        "number": "20",
        "name": "PMBUS_CNTRL",
        "type": "input",
        "description": "PMBus control input."
      },
      {
        "number": "21",
        "name": "GPIO14",
        "type": "bidirectional",
        "description": "General-purpose discrete I/O."
      },
      {
        "number": "22",
        "name": "PWM1/GPI1",
        "type": "input",
        "description": "PWM output (0.93 Hz to 7.8125 MHz) or general-purpose input."
      },
      {
        "number": "23",
        "name": "PWM2/GPI2",
        "type": "input",
        "description": "PWM output (0.93 Hz to 7.8125 MHz) or general-purpose input."
      },
      {
        "number": "24",
        "name": "GPIO15",
        "type": "bidirectional",
        "description": "General-purpose discrete I/O."
      },
      {
        "number": "25",
        "name": "GPIO16",
        "type": "bidirectional",
        "description": "General-purpose discrete I/O."
      },
      {
        "number": "26",
        "name": "GPIO17",
        "type": "bidirectional",
        "description": "General-purpose discrete I/O."
      },
      {
        "number": "27",
        "name": "TCK/GPIO18",
        "type": "bidirectional",
        "description": "JTAG test clock or GPIO."
      },
      {
        "number": "28",
        "name": "TDO/GPIO19",
        "type": "bidirectional",
        "description": "JTAG test data out or GPIO."
      },
      {
        "number": "29",
        "name": "TDI/GPIO20",
        "type": "bidirectional",
        "description": "JTAG test data in (tie to Vdd with a 10-kΩ resistor) or GPIO."
      },
      {
        "number": "30",
        "name": "TMS/GPIO21",
        "type": "bidirectional",
        "description": "JTAG test mode select (tie to Vdd with a 10-kΩ resistor) or GPIO."
      },
      {
        "number": "31",
        "name": "TRST",
        "type": "input",
        "description": "JTAG test reset; tie to ground with a 10-kΩ resistor."
      },
      {
        "number": "32",
        "name": "DVSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "33",
        "name": "V33D",
        "type": "power_in",
        "description": "Digital core 3.3-V supply; decouple with 0.1 µF in parallel with 4.7 µF."
      },
      {
        "number": "34",
        "name": "V33A",
        "type": "power_in",
        "description": "Analog 3.3-V supply; decouple with 0.1 µF in parallel with 4.7 µF."
      },
      {
        "number": "35",
        "name": "BPCAP",
        "type": "passive",
        "description": "1.8-V bypass capacitor pin; use 0.1 µF in parallel with 0.01 µF."
      },
      {
        "number": "36",
        "name": "AVSS1",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "37",
        "name": "MON11",
        "type": "input",
        "description": "Analog monitor input with a 0.2 V to 2.5 V range."
      },
      {
        "number": "38",
        "name": "MON3",
        "type": "input",
        "description": "Analog monitor input with a 0 V to 2.5 V range."
      },
      {
        "number": "39",
        "name": "MON4",
        "type": "input",
        "description": "Analog monitor input with a 0 V to 2.5 V range."
      },
      {
        "number": "40",
        "name": "MON5",
        "type": "input",
        "description": "Analog monitor input with a 0 V to 2.5 V range."
      },
      {
        "number": "41",
        "name": "MON6",
        "type": "input",
        "description": "Analog monitor input with a 0 V to 2.5 V range."
      },
      {
        "number": "42",
        "name": "MON7",
        "type": "input",
        "description": "Analog monitor input with a 0 V to 2.5 V range."
      },
      {
        "number": "43",
        "name": "PMBUS_ADDR1",
        "type": "input",
        "description": "PMBus analog address input, most-significant address bit."
      },
      {
        "number": "44",
        "name": "PMBUS_ADDR0",
        "type": "input",
        "description": "PMBus analog address input, least-significant address bit."
      },
      {
        "number": "45",
        "name": "MON8",
        "type": "input",
        "description": "Analog monitor input with a 0 V to 2.5 V range."
      },
      {
        "number": "46",
        "name": "MON9",
        "type": "input",
        "description": "Analog monitor input with a 0 V to 2.5 V range."
      },
      {
        "number": "47",
        "name": "AVSS2",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "48",
        "name": "MON10",
        "type": "input",
        "description": "Analog monitor input with a 0 V to 2.5 V range."
      },
      {
        "number": "49",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet lists the exposed thermal pad as 'QFP ground pad' with pin number 'NA'. I labeled it '; The datasheet gives no electrical type for pins. Types were inferred from the I/O column, for exampl"
        ],
        "pages_sent": 15,
        "cost_usd": 0.2156,
        "at": "2026-10-22T23:12:30"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ucd9090-q1",
        "pages": 50,
        "sha256": "35515560e756455d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 49,
        "described": 49,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ucd9090qrgzrq1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          7.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f2b38b0b4bf967c77e683e8d4599608b9f0503055ec535b93c4ebb5d0163e916",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ucd9090qrgzrq1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          7.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d9b1a1747b40d67bbd35413cc47a33e8a0b4bbcb2de1756ce076d4f24ed85165",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}