ESP32-H2FH2S

{
  "slug": "esp32-h2fh2s",
  "version": "0.1.0",
  "type": "component",
  "description": "Espressif Systems RF and Wireless, 32-VFQFN Exposed Pad. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "rf and wireless",
    "esp32-h2fh2s",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "esp32-h2fh2s.kicad_sym",
    "esp32-h2fh2s.kicad_mod",
    "esp32-h2fh2s.glb",
    "esp32-h2fh2s.step",
    "esp32-h2fh2s.lbr",
    "docs/hero.png",
    "docs/esp32-h2fh2s-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "esp32-h2fh2s-hero.glb",
    "esp32-h2fh2s-hero.overlay.json",
    "esp32-h2fh2s-etched.glb"
  ],
  "component": {
    "mpn": "ESP32-H2FH2S",
    "manufacturer": "Espressif Systems",
    "package": "32-VFQFN Exposed Pad",
    "pin_count": 33,
    "category": "RF and Wireless",
    "subcategory": "RF and Wireless",
    "datasheet": "https://www.espressif.com/sites/default/files/documentation/esp32-h2_datasheet_en.pdf",
    "parts": {
      "symbol": "esp32-h2fh2s.kicad_sym",
      "footprint": "esp32-h2fh2s.kicad_mod",
      "model_3d": "esp32-h2fh2s-hero.glb",
      "model_3d_plain": "esp32-h2fh2s-etched.glb",
      "model_3d_step": "esp32-h2fh2s-etched.step",
      "model_3d_step_plain": "esp32-h2fh2s.step",
      "lbr": "esp32-h2fh2s.lbr"
    },
    "distributor_links": {
      "mouser": "356-ESP32-H2FH2S"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T22:58:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 975 calls left today"
      },
      "mouser": {
        "pn": "356-ESP32-H2FH2S",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD3P3",
        "type": "power_in",
        "description": "Analog power domain supply pin for the chip."
      },
      {
        "number": "2",
        "name": "VDD3P3",
        "type": "power_in",
        "description": "Analog power domain supply pin for the chip."
      },
      {
        "number": "3",
        "name": "GPIO0",
        "type": "bidirectional",
        "description": "Digital IO powered from VDDPST1, with IO MUX functions GPIO0 and FSPIQ (SPI2 data out) and strapping-related boot behaviour."
      },
      {
        "number": "4",
        "name": "GPIO1",
        "type": "bidirectional",
        "description": "Digital IO powered from VDDPST1, usable as ADC1_CH0 analog input and FSPICS0 SPI2 chip select."
      },
      {
        "number": "5",
        "name": "MTMS",
        "type": "bidirectional",
        "description": "JTAG test mode select, also usable as GPIO2 and ADC1_CH1; input enabled at reset, powered from VDDPST1."
      },
      {
        "number": "6",
        "name": "MTDO",
        "type": "bidirectional",
        "description": "JTAG test data out, also usable as GPIO3 and ADC1_CH2; input enabled at reset, powered from VDDPST1."
      },
      {
        "number": "7",
        "name": "MTCK",
        "type": "bidirectional",
        "description": "JTAG test clock, also usable as GPIO4 and ADC1_CH3; input enabled depending on EFUSE_DIS_PAD_JTAG, powered from VDDPST1."
      },
      {
        "number": "8",
        "name": "MTDI",
        "type": "bidirectional",
        "description": "JTAG test data in, also usable as GPIO5 and ADC1_CH4; input enabled at reset, powered from VDDPST1."
      },
      {
        "number": "9",
        "name": "VDDPST1",
        "type": "power_in",
        "description": "IO power domain supply for digital IO and LP IO pins in the first bank."
      },
      {
        "number": "10",
        "name": "GPIO8",
        "type": "bidirectional",
        "description": "LP IO pin powered from VDDPST1, input enabled at reset and after reset."
      },
      {
        "number": "11",
        "name": "GPIO9",
        "type": "bidirectional",
        "description": "LP IO pin powered from VDDPST1, with input enabled and internal weak pull-up enabled at reset and after reset."
      },
      {
        "number": "12",
        "name": "GPIO10",
        "type": "bidirectional",
        "description": "IO pin powered from VDDPST1, also usable as analog pad voltage comparator input ZCD0 and analog function."
      },
      {
        "number": "13",
        "name": "GPIO11",
        "type": "bidirectional",
        "description": "IO pin powered from VDDPST1, also usable as analog pad voltage comparator input ZCD1 and analog function."
      },
      {
        "number": "14",
        "name": "GPIO12",
        "type": "bidirectional",
        "description": "IO pin powered from VDDA_PMU/VBAT, providing standard GPIO IO MUX functions."
      },
      {
        "number": "15",
        "name": "XTAL_32K_P",
        "type": "bidirectional",
        "description": "Positive terminal of the 32 kHz oscillator/crystal connection, also usable as GPIO IO MUX function, powered from VDDA_PMU/VBAT."
      },
      {
        "number": "16",
        "name": "XTAL_32K_N",
        "type": "bidirectional",
        "description": "Negative terminal of the 32 kHz external clock input/output, also usable as GPIO IO MUX function, powered from VDDA_PMU/VBAT."
      },
      {
        "number": "17",
        "name": "CHIP_EN",
        "type": "input",
        "description": "Chip enable: high enables the chip (powered up), low disables it (powered down); do not leave floating."
      },
      {
        "number": "18",
        "name": "VBAT",
        "type": "power_in",
        "description": "Analog power domain or battery power supply input for the chip."
      },
      {
        "number": "19",
        "name": "VDDA_PMU",
        "type": "power_in",
        "description": "Analog power domain supply input for the power management unit and GPIO12, XTAL_32K_P, XTAL_32K_N."
      },
      {
        "number": "20",
        "name": "VDDPST2",
        "type": "power_in",
        "description": "IO power domain supply for digital IO pins in the second bank."
      },
      {
        "number": "21",
        "name": "GPIO22",
        "type": "bidirectional",
        "description": "Digital IO powered from VDDPST2 with IO MUX functions, not usable in Deep-sleep mode."
      },
      {
        "number": "22",
        "name": "U0RXD",
        "type": "bidirectional",
        "description": "UART0 receive data input, powered from VDDPST2, with input enabled and weak pull-up enabled at reset."
      },
      {
        "number": "23",
        "name": "U0TXD",
        "type": "bidirectional",
        "description": "UART0 transmit data output, powered from VDDPST2, with input enabled and weak pull-up enabled at reset."
      },
      {
        "number": "24",
        "name": "GPIO25",
        "type": "bidirectional",
        "description": "Digital IO powered from VDDPST2 with input enabled at reset and after reset."
      },
      {
        "number": "25",
        "name": "GPIO26",
        "type": "bidirectional",
        "description": "Digital IO powered from VDDPST2, also usable as USB_D- and ADC analog function; default drive strength 40 mA."
      },
      {
        "number": "26",
        "name": "GPIO27",
        "type": "bidirectional",
        "description": "Digital IO powered from VDDPST2, also usable as USB_D+ and analog function; default drive strength 40 mA and USB pull-up enabled by default."
      },
      {
        "number": "27",
        "name": "VDD3P3",
        "type": "power_in",
        "description": "Analog power domain supply pin for the chip."
      },
      {
        "number": "28",
        "name": "XTAL_N",
        "type": "passive",
        "description": "External clock input/output connected to the chip's crystal or oscillator, negative side of the differential clock."
      },
      {
        "number": "29",
        "name": "XTAL_P",
        "type": "passive",
        "description": "External clock input/output connected to the chip's crystal or oscillator, positive side of the differential clock."
      },
      {
        "number": "30",
        "name": "VDD3P3",
        "type": "power_in",
        "description": "Analog power domain supply pin for the chip."
      },
      {
        "number": "31",
        "name": "VDD3P3",
        "type": "power_in",
        "description": "Analog power domain supply pin for the chip."
      },
      {
        "number": "32",
        "name": "ANT",
        "type": "bidirectional",
        "description": "RF LNA input/output signal connection to the antenna."
      },
      {
        "number": "33",
        "name": "GND",
        "type": "power_in",
        "description": "External ground connection, exposed pad of the QFN32 package."
      }
    ],
    "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: Table 2-1 lists XTAL_N, XTAL_P, XTAL_32K_P, XTAL_32K_N, CHIP_EN and ANT as Analog or IO without a Ki; Per Table 1-1 note 2, QFN32 variants with in-package flash do not route the flash communication pins; Pin 33 is GND, the exposed thermal pad of the QFN32 package; the datasheet gives no separate pad dim"
        ],
        "pages_sent": 30,
        "cost_usd": 0.0783,
        "at": "2026-10-27T22:59:18"
      },
      "datasheet": {
        "url": "https://www.espressif.com/sites/default/files/documentation/esp32-h2_datasheet_en.pdf",
        "pages": 69,
        "sha256": "2cb42839833eac06",
        "source_tier": "mfr"
      },
      "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"
    },
    "models_3d": [
      {
        "file": "esp32-h2fh2s.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.6
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7b482a511cdf2cf875c31931f9fea7f745b8dac2ea6203531cd6604f40a290cb",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "esp32-h2fh2s-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.6
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5cfc9e3ce4fb898e75362c4c7300b507a61d3110774c07ca72d5167c1c7791cf",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}