component
UCD9090QRGZRQ1
Public Made by Adomby adom
Texas Instruments Monitors & Reset Circuits, VQFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "ucd9090qrgzrq1",
"title": "UCD9090QRGZRQ1",
"brief": "Texas Instruments Monitors & Reset Circuits, VQFN-48-EP(7x7). 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",
"ucd9090qrgzrq1",
"factory-2.0.0",
"extractor-text"
],
"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,
7,
0.77
],
"zmin_mm": 0,
"centre_offset_mm": 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,
7,
0.77
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "d9b1a1747b40d67bbd35413cc47a33e8a0b4bbcb2de1756ce076d4f24ed85165",
"checked": "2026-10-22",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "VQFN-48-EP(7x7)",
"Category": "Power Supply Chip",
"Pins": "49"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "35515560e756455d0797a5241ad1a9332baa0ddeed65056c1724cad551058d2d",
"rows": [
{
"name": "Voltage applied at V33D to DVSS",
"symbol": "V33D",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 3.8,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Voltage applied at V33A to AVSS",
"symbol": "V33A",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 3.8,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Voltage applied to any other pin",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "max is V33A + 0.3 V; referenced to VSS",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "ESD rating HBM",
"symbol": "",
"kind": "absolute_maximum",
"unit": "kV",
"min": null,
"typ": null,
"max": 2.5,
"conditions": "Human-body model",
"source_page": 2,
"source": "datasheet"
},
{
"name": "ESD rating CDM",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 750,
"conditions": "Charged-device model",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Supply voltage during operation",
"symbol": "V33D, V33DIO, V33A",
"kind": "recommended_operating",
"unit": "V",
"min": 3,
"typ": 3.3,
"max": 3.6,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Operating free-air temperature range",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Junction-to-ambient thermal resistance",
"symbol": "θJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 25,
"max": null,
"conditions": "RGZ (48 pins)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Junction-to-case (top) thermal resistance",
"symbol": "θJCtop",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 8.9,
"max": null,
"conditions": "RGZ (48 pins)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Junction-to-board thermal resistance",
"symbol": "θJB",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 5.5,
"max": null,
"conditions": "RGZ (48 pins)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Junction-to-top characterization parameter",
"symbol": "ψJT",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 0.3,
"max": null,
"conditions": "RGZ (48 pins)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Junction-to-board characterization parameter",
"symbol": "ψJB",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 1.5,
"max": null,
"conditions": "RGZ (48 pins)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Junction-to-case (bottom) thermal resistance",
"symbol": "θJCbot",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 1.7,
"max": null,
"conditions": "RGZ (48 pins)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "MON1–MON10 input voltage range",
"symbol": "VMON",
"kind": "electrical",
"unit": "V",
"min": 0,
"typ": null,
"max": 2.5,
"conditions": "MON1–MON10",
"source_page": 3,
"source": "datasheet"
},
{
"name": "MON11 input voltage range",
"symbol": "VMON",
"kind": "electrical",
"unit": "V",
"min": 0.2,
"typ": null,
"max": 2.5,
"conditions": "MON11",
"source_page": 3,
"source": "datasheet"
},
{
"name": "ADC integral nonlinearity",
"symbol": "INL",
"kind": "electrical",
"unit": "LSB",
"min": -4,
"typ": null,
"max": 4,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "ADC differential nonlinearity",
"symbol": "DNL",
"kind": "electrical",
"unit": "LSB",
"min": -2,
"typ": null,
"max": 2,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Input leakage current",
"symbol": "Ilkg",
"kind": "electrical",
"unit": "nA",
"min": null,
"typ": null,
"max": 100,
"conditions": "3 V applied to pin",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Input offset current",
"symbol": "IOFFSET",
"kind": "electrical",
"unit": "μA",
"min": -5,
"typ": null,
"max": 5,
"conditions": "1-kΩ source impedance",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Input impedance MON1–MON10",
"symbol": "RIN",
"kind": "electrical",
"unit": "MΩ",
"min": 8,
"typ": null,
"max": null,
"conditions": "MON1–MON10, ground reference",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Input impedance MON11",
"symbol": "RIN",
"kind": "electrical",
"unit": "MΩ",
"min": 0.5,
"typ": 1.5,
"max": 3,
"conditions": "MON11, ground reference",
"source_page": 3,
"source": "datasheet"
},
{
"name": "ADC internal reference accuracy 0°C to 125°C",
"symbol": "VREF",
"kind": "electrical",
"unit": "%",
"min": -0.5,
"typ": null,
"max": 0.5,
"conditions": "ADC 2.5 V, internal reference accuracy 0°C to 125°C",
"source_page": 3,
"source": "datasheet"
},
{
"name": "ADC internal reference accuracy –40°C to 125°C",
"symbol": "VREF",
"kind": "electrical",
"unit": "%",
"min": -1,
"typ": null,
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