UCD3138128APFCR

{
  "slug": "ucd3138128apfcr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Supervisor And Reset ICs, TQFP-80(12x12). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "ucd3138128apfcr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ucd3138128apfcr.kicad_sym",
    "ucd3138128apfcr.kicad_mod",
    "ucd3138128apfcr.glb",
    "ucd3138128apfcr.step",
    "ucd3138128apfcr.lbr",
    "docs/hero.png",
    "docs/ucd3138128apfcr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ucd3138128apfcr-hero.glb",
    "ucd3138128apfcr-hero.overlay.json"
  ],
  "component": {
    "mpn": "UCD3138128APFCR",
    "manufacturer": "Texas Instruments",
    "package": "TQFP-80(12x12)",
    "pin_count": 80,
    "category": "Power Management (PMIC)",
    "subcategory": "Supervisor And Reset ICs",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ucd3138128a",
    "parts": {
      "symbol": "ucd3138128apfcr.kicad_sym",
      "footprint": "ucd3138128apfcr.kicad_mod",
      "model_3d": "ucd3138128apfcr-hero.glb",
      "model_3d_plain": "ucd3138128apfcr.glb",
      "model_3d_step": "ucd3138128apfcr-etched.step",
      "model_3d_step_plain": "ucd3138128apfcr.step",
      "lbr": "ucd3138128apfcr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2657801",
      "digikey": "296-52204-2-ND",
      "mouser": "595-UCD3138128APFCR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T22:54:46Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-52204-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-UCD3138128APFCR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "AD13",
        "type": "input",
        "description": "12-bit ADC channel 13 input, also used for comparator E and the I-share DAC output."
      },
      {
        "number": "2",
        "name": "AD12",
        "type": "input",
        "description": "12-bit ADC channel 12 input."
      },
      {
        "number": "3",
        "name": "AD10",
        "type": "input",
        "description": "12-bit ADC channel 10 input."
      },
      {
        "number": "4",
        "name": "AD07",
        "type": "input",
        "description": "12-bit ADC channel 7 input, connected to comparator F and the reference to comparator G, with an alternate DAC output function."
      },
      {
        "number": "5",
        "name": "AD06",
        "type": "input",
        "description": "12-bit ADC channel 6 input, connected to comparator F, with an alternate DAC output function."
      },
      {
        "number": "6",
        "name": "AD04",
        "type": "input",
        "description": "12-bit ADC channel 4 input, connected to comparator D, with an alternate DAC output function."
      },
      {
        "number": "7",
        "name": "AD03",
        "type": "input",
        "description": "12-bit ADC channel 3 input, connected to comparators B and C."
      },
      {
        "number": "8",
        "name": "V33DIO",
        "type": "power_in",
        "description": "Digital I/O 3.3 V core supply, recommended 3 V to 3.6 V."
      },
      {
        "number": "9",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "10",
        "name": "RESET",
        "type": "input",
        "description": "Active-low device reset input."
      },
      {
        "number": "11",
        "name": "PWM2",
        "type": "bidirectional",
        "description": "General-purpose PWM 2 output, also configurable as GPIO."
      },
      {
        "number": "12",
        "name": "PWM3",
        "type": "bidirectional",
        "description": "General-purpose PWM 3 output, also configurable as GPIO."
      },
      {
        "number": "13",
        "name": "TCAP1",
        "type": "bidirectional",
        "description": "Timer capture input 1 (alternate assignment TCAP0), also configurable as GPIO."
      },
      {
        "number": "14",
        "name": "ADC_EXT_TRIG",
        "type": "bidirectional",
        "description": "External trigger input for ADC conversions, also configurable as GPIO."
      },
      {
        "number": "15",
        "name": "PMBUS_CLK",
        "type": "bidirectional",
        "description": "PMBus clock, open drain, also configurable as GPIO."
      },
      {
        "number": "16",
        "name": "PMBUS_DATA",
        "type": "bidirectional",
        "description": "PMBus data, open drain, also configurable as GPIO."
      },
      {
        "number": "17",
        "name": "PMBUS_ALERT",
        "type": "bidirectional",
        "description": "PMBus alert, open drain, also configurable as GPIO."
      },
      {
        "number": "18",
        "name": "PMBUS_CTRL",
        "type": "bidirectional",
        "description": "PMBus control, open drain, also configurable as GPIO."
      },
      {
        "number": "19",
        "name": "I2C_CLK",
        "type": "bidirectional",
        "description": "I2C clock, also configurable as GPIO."
      },
      {
        "number": "20",
        "name": "I2C_DATA",
        "type": "bidirectional",
        "description": "I2C data, also configurable as GPIO."
      },
      {
        "number": "21",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "22",
        "name": "DPWM0A",
        "type": "bidirectional",
        "description": "DPWM 0A output, also configurable as GPIO."
      },
      {
        "number": "23",
        "name": "DPWM0B",
        "type": "bidirectional",
        "description": "DPWM 0B output, also configurable as GPIO."
      },
      {
        "number": "24",
        "name": "DPWM1A",
        "type": "bidirectional",
        "description": "DPWM 1A output, also configurable as GPIO."
      },
      {
        "number": "25",
        "name": "DPWM1B",
        "type": "bidirectional",
        "description": "DPWM 1B output, also configurable as GPIO."
      },
      {
        "number": "26",
        "name": "DPWM2A",
        "type": "bidirectional",
        "description": "DPWM 2A output, also configurable as GPIO."
      },
      {
        "number": "27",
        "name": "DPWM2B",
        "type": "bidirectional",
        "description": "DPWM 2B output, also configurable as GPIO."
      },
      {
        "number": "28",
        "name": "DPWM3A",
        "type": "bidirectional",
        "description": "DPWM 3A output, also configurable as GPIO."
      },
      {
        "number": "29",
        "name": "DPWM3B",
        "type": "bidirectional",
        "description": "DPWM 3B output, also configurable as GPIO."
      },
      {
        "number": "30",
        "name": "DTC0",
        "type": "bidirectional",
        "description": "Synchronous rectifier dead-time optimization control input 0, alternate function GPIOA."
      },
      {
        "number": "31",
        "name": "DTC1",
        "type": "bidirectional",
        "description": "Synchronous rectifier dead-time optimization control input 1, alternate function GPIOB."
      },
      {
        "number": "32",
        "name": "GPIOC",
        "type": "bidirectional",
        "description": "General-purpose I/O C."
      },
      {
        "number": "33",
        "name": "GPIOD",
        "type": "bidirectional",
        "description": "General-purpose I/O D."
      },
      {
        "number": "34",
        "name": "SYNC",
        "type": "bidirectional",
        "description": "DPWM synchronization pin, used to synchronize DPWM waveforms between multiple UCD3138x devices."
      },
      {
        "number": "35",
        "name": "SCI_TX0",
        "type": "bidirectional",
        "description": "SCI (UART) 0 transmit, also configurable as GPIO."
      },
      {
        "number": "36",
        "name": "SCI_RX0",
        "type": "bidirectional",
        "description": "SCI (UART) 0 receive, also configurable as GPIO."
      },
      {
        "number": "37",
        "name": "SCI_TX1",
        "type": "bidirectional",
        "description": "SCI (UART) 1 transmit, also configurable as GPIO."
      },
      {
        "number": "38",
        "name": "SCI_RX1",
        "type": "bidirectional",
        "description": "SCI (UART) 1 receive, also configurable as GPIO."
      },
      {
        "number": "39",
        "name": "PWM0",
        "type": "bidirectional",
        "description": "General-purpose PWM 0 output, alternate function SYNC, also configurable as GPIO."
      },
      {
        "number": "40",
        "name": "PWM1",
        "type": "bidirectional",
        "description": "General-purpose PWM 1 output, also configurable as GPIO."
      },
      {
        "number": "41",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "42",
        "name": "EXT_INT",
        "type": "bidirectional",
        "description": "External interrupt input, also configurable as GPIO."
      },
      {
        "number": "43",
        "name": "FAULT0",
        "type": "bidirectional",
        "description": "External fault input 0, also configurable as GPIO."
      },
      {
        "number": "44",
        "name": "FAULT1",
        "type": "bidirectional",
        "description": "External fault input 1, also configurable as GPIO."
      },
      {
        "number": "45",
        "name": "TCK",
        "type": "input",
        "description": "JTAG test clock; the datasheet recommends pulling this pin LOW on the target. Alternate functions RTC_IN and XTAL_CLK_OUT."
      },
      {
        "number": "46",
        "name": "TDO",
        "type": "output",
        "description": "JTAG test data output; the datasheet recommends pulling this pin HIGH on the target. Alternate functions TCAP0 and TCAP1."
      },
      {
        "number": "47",
        "name": "TDI",
        "type": "input",
        "description": "JTAG test data input; the datasheet recommends pulling this pin HIGH on the target. Alternate functions TCAP0 and TCAP1."
      },
      {
        "number": "48",
        "name": "TMS",
        "type": "input",
        "description": "JTAG test mode select; this pin must be pulled HIGH on the target so that spurious TCKs with no connection are benign."
      },
      {
        "number": "49",
        "name": "TCAP0",
        "type": "bidirectional",
        "description": "Timer capture input 0 (alternate assignment TCAP1), also configurable as GPIO."
      },
      {
        "number": "50",
        "name": "SPI_CS",
        "type": "bidirectional",
        "description": "SPI chip select, also configurable as GPIO."
      },
      {
        "number": "51",
        "name": "SPI_CLK",
        "type": "bidirectional",
        "description": "SPI clock, also configurable as GPIO."
      },
      {
        "number": "52",
        "name": "SPI_MOSI",
        "type": "bidirectional",
        "description": "SPI master output / slave input, also configurable as GPIO."
      },
      {
        "number": "53",
        "name": "SPI_MISO",
        "type": "bidirectional",
        "description": "SPI master input / slave output, also configurable as GPIO."
      },
      {
        "number": "54",
        "name": "FAULT2",
        "type": "bidirectional",
        "description": "External fault input 2, also configurable as GPIO."
      },
      {
        "number": "55",
        "name": "FAULT3",
        "type": "bidirectional",
        "description": "External fault input 3, also configurable as GPIO."
      },
      {
        "number": "56",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "57",
        "name": "V33DIO",
        "type": "power_in",
        "description": "Digital I/O 3.3-V core supply, recommended 3 V to 3.6 V."
      },
      {
        "number": "58",
        "name": "BP18",
        "type": "power_out",
        "description": "1.8-V bypass for internal use only; do not load. The electrical characteristics call for 1 µF from BP18 to DGND, and BP18 is rated -0.3 V to 2.5 V absolute maximum."
      },
      {
        "number": "59",
        "name": "V33D",
        "type": "power_in",
        "description": "Digital 3.3-V core supply, recommended 3.0 V to 3.6 V."
      },
      {
        "number": "60",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "61",
        "name": "XTAL_OUT",
        "type": "output",
        "description": "Crystal oscillator output for the 10-MHz external crystal; the datasheet table labels this pin as an input, which conflicts with its name."
      },
      {
        "number": "62",
        "name": "XTAL_IN",
        "type": "input",
        "description": "Crystal oscillator input for the 10-MHz external crystal; the datasheet table labels this pin as an output, which conflicts with its name."
      },
      {
        "number": "63",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "64",
        "name": "EAP0",
        "type": "input",
        "description": "Error ADC channel 0 differential positive input."
      },
      {
        "number": "65",
        "name": "EAN0",
        "type": "input",
        "description": "Error ADC channel 0 differential negative input."
      },
      {
        "number": "66",
        "name": "EAP1",
        "type": "input",
        "description": "Error ADC channel 1 differential positive input."
      },
      {
        "number": "67",
        "name": "EAN1",
        "type": "input",
        "description": "Error ADC channel 1 differential negative input."
      },
      {
        "number": "68",
        "name": "EAP2",
        "type": "input",
        "description": "Error ADC channel 2 differential positive input."
      },
      {
        "number": "69",
        "name": "EAN2",
        "type": "input",
        "description": "Error ADC channel 2 differential negative input."
      },
      {
        "number": "70",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "71",
        "name": "V33A",
        "type": "power_in",
        "description": "Analog 3.3-V supply, recommended 3 V to 3.6 V."
      },
      {
        "number": "72",
        "name": "AD00",
        "type": "input",
        "description": "12-bit ADC channel 0 input, connected to a 10-µA current source for PMBus address decoding."
      },
      {
        "number": "73",
        "name": "AD01",
        "type": "input",
        "description": "12-bit ADC channel 1 input, connected to a 10-µA current source for PMBus address decoding."
      },
      {
        "number": "74",
        "name": "AD02",
        "type": "input",
        "description": "12-bit ADC channel 2 input, connected to comparator A and the I-share function."
      },
      {
        "number": "75",
        "name": "AD05",
        "type": "input",
        "description": "12-bit ADC channel 5 input."
      },
      {
        "number": "76",
        "name": "AD14",
        "type": "input",
        "description": "12-bit ADC channel 14 input."
      },
      {
        "number": "77",
        "name": "AD08",
        "type": "input",
        "description": "12-bit ADC channel 8 input."
      },
      {
        "number": "78",
        "name": "AD09",
        "type": "input",
        "description": "12-bit ADC channel 9 input."
      },
      {
        "number": "79",
        "name": "AD11",
        "type": "input",
        "description": "12-bit ADC channel 11 input."
      },
      {
        "number": "80",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Package and MPN mapping: the ordering table (page 77) lists UCD3138128APFCR as 80-pin TQFP (PFC) in ; Crystal pins conflict: the pin table lists pin 61 as XTAL_OUT described as 'Crystal oscillator input; BP18 type is a judgment call: it is a 1.8-V internal regulator bypass node marked 'for internal use "
        ],
        "pages_sent": 21,
        "cost_usd": 0.1536,
        "at": "2026-10-08T22:53:27"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ucd3138128a",
        "pages": 84,
        "sha256": "dd39b9085c01a102",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 80,
        "described": 80,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ucd3138128apfcr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          14.0,
          14.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "77f4de0ca0c787b8b4416c735fddfcecf5cf4cea0ca3550f96f5c47c8664594c",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ucd3138128apfcr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          14.0,
          14.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "cc4083871e74c1ea83073718580497dd2a7c25dc59966cb952d3a7fe0c1bcbba",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}