ST25R3916B-AQET

{
  "slug": "st25r3916b-aqet",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics RFID ICs, UFQFPN-32(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "rf and wireless",
    "st25r3916b-aqet",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "st25r3916b-aqet.kicad_sym",
    "st25r3916b-aqet.kicad_mod",
    "st25r3916b-aqet.glb",
    "st25r3916b-aqet.step",
    "st25r3916b-aqet.lbr",
    "docs/hero.png",
    "docs/st25r3916b-aqet-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "ST25R3916B-AQET",
    "manufacturer": "STMicroelectronics",
    "package": "UFQFPN-32(5x5)",
    "pin_count": 33,
    "category": "RF And Wireless",
    "subcategory": "RFID ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602787147115995136",
    "parts": {
      "symbol": "st25r3916b-aqet.kicad_sym",
      "footprint": "st25r3916b-aqet.kicad_mod",
      "model_3d": "st25r3916b-aqet-etched.glb",
      "model_3d_plain": "st25r3916b-aqet.glb",
      "model_3d_step": "st25r3916b-aqet-etched.step",
      "model_3d_step_plain": "st25r3916b-aqet.step",
      "lbr": "st25r3916b-aqet.lbr"
    },
    "distributor_links": {
      "lcsc": "C17315217",
      "digikey": "497-ST25R3916B-AQET-ND",
      "mouser": "511-ST25R3916B-AQET"
    },
    "distributor_check": {
      "checked_at": "2026-10-01T18:39:50Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-ST25R3916B-AQET-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "511-ST25R3916B-AQET",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD_IO",
        "type": "power_in",
        "description": "Positive supply for peripheral communication."
      },
      {
        "number": "2",
        "name": "TAD1",
        "type": "output",
        "description": "Test output 2."
      },
      {
        "number": "3",
        "name": "VDD_D",
        "type": "power_out",
        "description": "Digital supply regulator output."
      },
      {
        "number": "4",
        "name": "XTO",
        "type": "output",
        "description": "Crystal oscillator output."
      },
      {
        "number": "5",
        "name": "XTI",
        "type": "input",
        "description": "Crystal oscillator input, in test mode used as digital input (clock)."
      },
      {
        "number": "6",
        "name": "GND_D",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "7",
        "name": "VDD_A",
        "type": "power_out",
        "description": "Analog supply regulator output."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "External positive supply."
      },
      {
        "number": "9",
        "name": "VDD_RF",
        "type": "power_out",
        "description": "Regulated driver supply for antenna drivers."
      },
      {
        "number": "10",
        "name": "VDD_TX",
        "type": "power_in",
        "description": "External positive supply for the TX part."
      },
      {
        "number": "11",
        "name": "VDD_AM",
        "type": "power_out",
        "description": "Regulated driver supply for AM modulation."
      },
      {
        "number": "12",
        "name": "GND_DR1",
        "type": "power_in",
        "description": "Antenna driver ground, including driver VSS."
      },
      {
        "number": "13",
        "name": "RFO1",
        "type": "output",
        "description": "Antenna driver output."
      },
      {
        "number": "14",
        "name": "VDD_DR",
        "type": "power_in",
        "description": "Antenna driver positive supply input."
      },
      {
        "number": "15",
        "name": "RFO2",
        "type": "output",
        "description": "Antenna driver output."
      },
      {
        "number": "16",
        "name": "GND_DR2",
        "type": "power_in",
        "description": "Antenna driver ground, including driver VSS."
      },
      {
        "number": "17",
        "name": "EXT_LM",
        "type": "output",
        "description": "External load modulation MOS gate driver."
      },
      {
        "number": "18",
        "name": "AAT_A",
        "type": "output",
        "description": "AAT tune voltage for variable capacitor AAT_A."
      },
      {
        "number": "19",
        "name": "AAT_B",
        "type": "output",
        "description": "AAT tune voltage for variable capacitor AAT_B."
      },
      {
        "number": "20",
        "name": "I2C_EN",
        "type": "input",
        "description": "I2C interface enable."
      },
      {
        "number": "21",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground, die substrate potential."
      },
      {
        "number": "22",
        "name": "RFI1",
        "type": "input",
        "description": "Receiver input."
      },
      {
        "number": "23",
        "name": "RFI2",
        "type": "input",
        "description": "Receiver input."
      },
      {
        "number": "24",
        "name": "AGDC",
        "type": "bidirectional",
        "description": "Analog reference voltage."
      },
      {
        "number": "25",
        "name": "TAD2",
        "type": "bidirectional",
        "description": "Test output 1."
      },
      {
        "number": "26",
        "name": "GND_A",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "27",
        "name": "IRQ",
        "type": "output",
        "description": "Interrupt request output."
      },
      {
        "number": "28",
        "name": "MCU_CLK",
        "type": "output",
        "description": "Clock output for MCU."
      },
      {
        "number": "29",
        "name": "BSS",
        "type": "input",
        "description": "SPI enable (active low)."
      },
      {
        "number": "30",
        "name": "SCLK",
        "type": "input",
        "description": "SPI clock / I2C clock."
      },
      {
        "number": "31",
        "name": "MOSI",
        "type": "input",
        "description": "SPI data input."
      },
      {
        "number": "32",
        "name": "MISO",
        "type": "tri_state",
        "description": "Serial peripheral interface data output / I2C data line."
      },
      {
        "number": "33",
        "name": "Thermal_pad",
        "type": "power_in",
        "description": "Thermal pad (GND) for heat dissipation."
      }
    ],
    "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": 29,
        "cost_usd": 0.2856,
        "at": "2026-10-01T18:39:46"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602787147115995136",
        "pages": 165,
        "sha256": "a54950349f10a713",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  }
}