ESP8684H2X

{
  "slug": "esp8684h2x",
  "version": "0.1.0",
  "type": "component",
  "description": "Espressif Systems RF and Wireless, QFN-24-1EP_4x4mm_P0.5mm_EP2.8x2.8mm. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "rf and wireless",
    "esp8684h2x",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "esp8684h2x.kicad_sym",
    "esp8684h2x.kicad_mod",
    "esp8684h2x.glb",
    "esp8684h2x.step",
    "esp8684h2x.lbr",
    "docs/hero.png",
    "docs/esp8684h2x-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "esp8684h2x-hero.glb",
    "esp8684h2x-hero.overlay.json",
    "esp8684h2x-etched.glb"
  ],
  "component": {
    "mpn": "ESP8684H2X",
    "manufacturer": "Espressif Systems",
    "package": "QFN-24-1EP_4x4mm_P0.5mm_EP2.8x2.8mm",
    "pin_count": 25,
    "category": "RF and Wireless",
    "subcategory": "RF and Wireless",
    "datasheet": "https://www.espressif.com/sites/default/files/documentation/esp8684_datasheet_en.pdf",
    "parts": {
      "symbol": "esp8684h2x.kicad_sym",
      "footprint": "esp8684h2x.kicad_mod",
      "model_3d": "esp8684h2x-hero.glb",
      "model_3d_plain": "esp8684h2x-etched.glb",
      "model_3d_step": "esp8684h2x-etched.step",
      "model_3d_step_plain": "esp8684h2x.step",
      "lbr": "esp8684h2x.lbr"
    },
    "distributor_links": {
      "digikey": "1904-ESP8684H2XTR-ND",
      "mouser": "356-ESP8684H2X"
    },
    "distributor_check": {
      "checked_at": "2026-10-29T06:20:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1904-ESP8684H2XTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "356-ESP8684H2X",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ANT",
        "type": "bidirectional",
        "description": "RF input and output pin for the antenna."
      },
      {
        "number": "2",
        "name": "VDDA3P3",
        "type": "power_in",
        "description": "Analog power domain supply input."
      },
      {
        "number": "3",
        "name": "VDDA3P3",
        "type": "power_in",
        "description": "Analog power domain supply input."
      },
      {
        "number": "4",
        "name": "GPIO0",
        "type": "bidirectional",
        "description": "IO pin powered by VDD3P3_RTC with ADC1_CH0 analog function and default drive strength of 20 mA."
      },
      {
        "number": "5",
        "name": "GPIO1",
        "type": "bidirectional",
        "description": "IO pin powered by VDD3P3_RTC with ADC1_CH1 analog function and default drive strength of 20 mA."
      },
      {
        "number": "6",
        "name": "GPIO2",
        "type": "bidirectional",
        "description": "IO pin powered by VDD3P3_RTC with input enabled at reset and ADC1_CH2 analog function; FSPIQ is available on function F2."
      },
      {
        "number": "7",
        "name": "CHIP_EN",
        "type": "input",
        "description": "High enables the chip (powered up) and low disables it (powered down); do not leave this pin floating."
      },
      {
        "number": "8",
        "name": "GPIO3",
        "type": "bidirectional",
        "description": "IO pin powered by VDD3P3_RTC with input enabled at reset and ADC1_CH3 analog function."
      },
      {
        "number": "9",
        "name": "MTMS",
        "type": "bidirectional",
        "description": "JTAG test mode select, powered by VDD3P3_RTC, with ADC1_CH4 analog function on GPIO4."
      },
      {
        "number": "10",
        "name": "MTDI",
        "type": "bidirectional",
        "description": "JTAG test data input, powered by VDD3P3_RTC."
      },
      {
        "number": "11",
        "name": "VDD3P3_RTC",
        "type": "power_in",
        "description": "Power input for the RTC and part of the digital power domains."
      },
      {
        "number": "12",
        "name": "MTCK",
        "type": "bidirectional",
        "description": "JTAG test clock, powered by VDD3P3_CPU."
      },
      {
        "number": "13",
        "name": "MTDO",
        "type": "bidirectional",
        "description": "JTAG test data output, powered by VDD3P3_CPU."
      },
      {
        "number": "14",
        "name": "GPIO8",
        "type": "bidirectional",
        "description": "IO pin powered by VDD3P3_CPU with input enabled at reset."
      },
      {
        "number": "15",
        "name": "GPIO9",
        "type": "bidirectional",
        "description": "IO pin powered by VDD3P3_CPU with input enabled and internal weak pull-up enabled after reset."
      },
      {
        "number": "16",
        "name": "GPIO10",
        "type": "bidirectional",
        "description": "IO pin powered by VDD3P3_CPU; FSPICS0 is available on function F2."
      },
      {
        "number": "17",
        "name": "VDD3P3_CPU",
        "type": "power_in",
        "description": "Power input for the digital power domain."
      },
      {
        "number": "18",
        "name": "GPIO18",
        "type": "bidirectional",
        "description": "IO pin powered by VDD3P3_CPU."
      },
      {
        "number": "19",
        "name": "U0RXD",
        "type": "bidirectional",
        "description": "UART0 receive data pin, powered by VDD3P3_CPU with input enabled and weak pull-up enabled after reset."
      },
      {
        "number": "20",
        "name": "U0TXD",
        "type": "bidirectional",
        "description": "UART0 transmit data pin, powered by VDD3P3_CPU with output enabled and weak pull-up enabled after reset."
      },
      {
        "number": "21",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog power domain supply input."
      },
      {
        "number": "22",
        "name": "XTAL_N",
        "type": "passive",
        "description": "External clock input/output connected to the crystal or oscillator (negative side of differential clock)."
      },
      {
        "number": "23",
        "name": "XTAL_P",
        "type": "passive",
        "description": "External clock input/output connected to the crystal or oscillator (positive side of differential clock)."
      },
      {
        "number": "24",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog power domain supply input."
      },
      {
        "number": "25",
        "name": "GND",
        "type": "power_in",
        "description": "External ground connection."
      }
    ],
    "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": [
          "no package hint was available; multi-package datasheets are a coin flip without one",
          "extractor flagged: The datasheet lists VDDA pins 21 and 24 as Power in Table 2 and Table 8 (Input, analog power domain)"
        ],
        "pages_sent": 27,
        "cost_usd": 0.0633,
        "at": "2026-10-29T06:21:15"
      },
      "datasheet": {
        "url": "https://www.espressif.com/sites/default/files/documentation/esp8684_datasheet_en.pdf",
        "pages": 60,
        "sha256": "5d5e6894fbcd9ab5",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "esp8684h2x.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6a80ad90e9b6d70de84eb691b11517cce736a60081fc31eb3fcb9b4362007122",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "esp8684h2x-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "18124798314542f742f9fed3f35f407c52a63c0bc98ecfc1cd795dd0e31fb897",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}