ESP32-D0WD-V3

{
  "slug": "esp32-d0wd-v3",
  "version": "0.1.0",
  "type": "component",
  "description": "Espressif Systems RF Transceiver ICs, QFN-48-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "rf and wireless",
    "esp32-d0wd-v3",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "esp32-d0wd-v3.kicad_sym",
    "esp32-d0wd-v3.kicad_mod",
    "esp32-d0wd-v3.glb",
    "esp32-d0wd-v3.step",
    "esp32-d0wd-v3.lbr",
    "docs/hero.png",
    "docs/esp32-d0wd-v3-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "esp32-d0wd-v3-hero.glb",
    "esp32-d0wd-v3-hero.overlay.json"
  ],
  "component": {
    "mpn": "ESP32-D0WD-V3",
    "manufacturer": "Espressif Systems",
    "package": "QFN-48-EP(5x5)",
    "pin_count": 49,
    "category": "RF And Wireless",
    "subcategory": "RF Transceiver ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588893898513399808",
    "parts": {
      "symbol": "esp32-d0wd-v3.kicad_sym",
      "footprint": "esp32-d0wd-v3.kicad_mod",
      "model_3d": "esp32-d0wd-v3-hero.glb",
      "model_3d_plain": "esp32-d0wd-v3.glb",
      "model_3d_step": "esp32-d0wd-v3-etched.step",
      "model_3d_step_plain": "esp32-d0wd-v3.step",
      "lbr": "esp32-d0wd-v3.lbr"
    },
    "distributor_links": {
      "lcsc": "C967021",
      "mouser": "356-ESP32-D0WD-V3"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T23:47:30Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 514 calls left today"
      },
      "mouser": {
        "pn": "356-ESP32-D0WD-V3",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply, 2.3 V to 3.6 V."
      },
      {
        "number": "2",
        "name": "LNA_IN",
        "type": "bidirectional",
        "description": "RF input to the low-noise amplifier (LNA) and RF output from the power amplifier (PA)."
      },
      {
        "number": "3",
        "name": "VDD3P3",
        "type": "power_in",
        "description": "Analog supply, 2.3 V to 3.6 V."
      },
      {
        "number": "4",
        "name": "VDD3P3",
        "type": "power_in",
        "description": "Analog supply, 2.3 V to 3.6 V."
      },
      {
        "number": "5",
        "name": "SENSOR_VP",
        "type": "input",
        "description": "Input-only pin (GPIO36, ADC1_CH0, RTC_GPIO0) with no output driver and no internal pull-up or pull-down."
      },
      {
        "number": "6",
        "name": "SENSOR_CAPP",
        "type": "input",
        "description": "Input-only pin (GPIO37, ADC1_CH1, RTC_GPIO1) with no output driver and no internal pull-up or pull-down."
      },
      {
        "number": "7",
        "name": "SENSOR_CAPN",
        "type": "input",
        "description": "Input-only pin (GPIO38, ADC1_CH2, RTC_GPIO2) with no output driver and no internal pull-up or pull-down."
      },
      {
        "number": "8",
        "name": "SENSOR_VN",
        "type": "input",
        "description": "Input-only pin (GPIO39, ADC1_CH3, RTC_GPIO3) with no output driver and no internal pull-up or pull-down."
      },
      {
        "number": "9",
        "name": "CHIP_PU",
        "type": "input",
        "description": "Chip enable: high enables the chip, low shuts it down; must not be left floating."
      },
      {
        "number": "10",
        "name": "VDET_1",
        "type": "input",
        "description": "Input-only pin (GPIO34, ADC1_CH6, RTC_GPIO4) with no output driver and no internal pull-up or pull-down."
      },
      {
        "number": "11",
        "name": "VDET_2",
        "type": "input",
        "description": "Input-only pin (GPIO35, ADC1_CH7, RTC_GPIO5) with no output driver and no internal pull-up or pull-down."
      },
      {
        "number": "12",
        "name": "32K_XP",
        "type": "bidirectional",
        "description": "32.768 kHz crystal input (GPIO32, ADC1_CH4, RTC_GPIO9, TOUCH9)."
      },
      {
        "number": "13",
        "name": "32K_XN",
        "type": "bidirectional",
        "description": "32.768 kHz crystal output (GPIO33, ADC1_CH5, RTC_GPIO8, TOUCH8)."
      },
      {
        "number": "14",
        "name": "GPIO25",
        "type": "bidirectional",
        "description": "General-purpose I/O (GPIO25) also providing ADC2_CH8, RTC_GPIO6, DAC_1 and EMAC_RXD0 functions."
      },
      {
        "number": "15",
        "name": "GPIO26",
        "type": "bidirectional",
        "description": "General-purpose I/O (GPIO26) also providing ADC2_CH9, RTC_GPIO7, DAC_2 and EMAC_RXD1 functions."
      },
      {
        "number": "16",
        "name": "GPIO27",
        "type": "bidirectional",
        "description": "General-purpose I/O (GPIO27) also providing ADC2_CH7, RTC_GPIO17, TOUCH7 and EMAC_RX_DV functions."
      },
      {
        "number": "17",
        "name": "MTMS",
        "type": "bidirectional",
        "description": "General-purpose I/O (GPIO14) that also serves as JTAG MTMS, HSPI clock, HS2_CLK and SD_CLK, with ADC2_CH6 and TOUCH6."
      },
      {
        "number": "18",
        "name": "MTDI",
        "type": "bidirectional",
        "description": "General-purpose I/O (GPIO12) that is a strapping pin selecting the VDD_SDIO voltage at reset, and also serves as JTAG MTDI."
      },
      {
        "number": "19",
        "name": "VDD3P3_RTC",
        "type": "power_in",
        "description": "RTC IO power input, 2.3 V to 3.6 V; also supplies the RTC and CPU domains and the internal VDD_SDIO LDO."
      },
      {
        "number": "20",
        "name": "MTCK",
        "type": "bidirectional",
        "description": "General-purpose I/O (GPIO13) that also serves as JTAG MTCK, HSPI data, HS2_DATA3 and SD_DATA3, with ADC2_CH4 and TOUCH4."
      },
      {
        "number": "21",
        "name": "MTDO",
        "type": "bidirectional",
        "description": "General-purpose I/O (GPIO15) that is a strapping pin controlling U0TXD printing at boot, and also serves as JTAG MTDO."
      },
      {
        "number": "22",
        "name": "GPIO2",
        "type": "bidirectional",
        "description": "General-purpose I/O (GPIO2) that is a boot-mode strapping pin, with ADC2_CH2, TOUCH2 and SD_DATA0 functions."
      },
      {
        "number": "23",
        "name": "GPIO0",
        "type": "bidirectional",
        "description": "General-purpose I/O (GPIO0) that is a boot-mode strapping pin, with ADC2_CH1, TOUCH1 and CLK_OUT1 functions."
      },
      {
        "number": "24",
        "name": "GPIO4",
        "type": "bidirectional",
        "description": "General-purpose I/O (GPIO4) with ADC2_CH0, TOUCH0, HSPIHD, HS2_DATA1 and SD_DATA1 functions."
      },
      {
        "number": "25",
        "name": "GPIO16",
        "type": "bidirectional",
        "description": "General-purpose I/O (GPIO16) with HS1_DATA4, U2RXD and EMAC_CLK_OUT functions; used as CE# when connecting external PSRAM and then requires a pull-up."
      },
      {
        "number": "26",
        "name": "VDD_SDIO",
        "type": "power_out",
        "description": "Output of the internal LDO set to 1.8 V (max 40 mA, 1.65 V to 2.0 V) or to VDD3P3_RTC voltage; may also be driven by an external supply."
      },
      {
        "number": "27",
        "name": "GPIO17",
        "type": "bidirectional",
        "description": "General-purpose I/O (GPIO17) with HS1_DATA5, U2TXD and EMAC_CLK_OUT_180 functions."
      },
      {
        "number": "28",
        "name": "SD_DATA_2",
        "type": "bidirectional",
        "description": "SDIO slave data line 2 (GPIO9), also usable as SPIHD and U1RXD."
      },
      {
        "number": "29",
        "name": "SD_DATA_3",
        "type": "bidirectional",
        "description": "SDIO slave data line 3 (GPIO10), also usable as SPIWP and U1TXD."
      },
      {
        "number": "30",
        "name": "SD_CMD",
        "type": "bidirectional",
        "description": "SDIO slave command line (GPIO11), also usable as SPICS0 and U1RTS."
      },
      {
        "number": "31",
        "name": "SD_CLK",
        "type": "bidirectional",
        "description": "SDIO slave clock line (GPIO6), also usable as SPICLK and U1CTS."
      },
      {
        "number": "32",
        "name": "SD_DATA_0",
        "type": "bidirectional",
        "description": "SDIO slave data line 0 (GPIO7), also usable as SPIQ and U2RTS."
      },
      {
        "number": "33",
        "name": "SD_DATA_1",
        "type": "bidirectional",
        "description": "SDIO slave data line 1 (GPIO8), also usable as SPID and U2CTS."
      },
      {
        "number": "34",
        "name": "GPIO5",
        "type": "bidirectional",
        "description": "General-purpose I/O (GPIO5) that is a strapping pin for SDIO slave timing, with VSPICS0 and EMAC_RX_CLK functions."
      },
      {
        "number": "35",
        "name": "GPIO18",
        "type": "bidirectional",
        "description": "General-purpose I/O (GPIO18) with HS1_DATA7 and VSPICLK functions."
      },
      {
        "number": "36",
        "name": "GPIO23",
        "type": "bidirectional",
        "description": "General-purpose I/O (GPIO23) with HS1_STROBE and VSPID functions."
      },
      {
        "number": "37",
        "name": "VDD3P3_CPU",
        "type": "power_in",
        "description": "CPU and digital IO power input, 1.8 V to 3.6 V."
      },
      {
        "number": "38",
        "name": "GPIO19",
        "type": "bidirectional",
        "description": "General-purpose I/O (GPIO19) with U0CTS, VSPIQ and EMAC_TXD0 functions."
      },
      {
        "number": "39",
        "name": "GPIO22",
        "type": "bidirectional",
        "description": "General-purpose I/O (GPIO22) with U0RTS, VSPIWP and EMAC_TXD1 functions."
      },
      {
        "number": "40",
        "name": "U0RXD",
        "type": "bidirectional",
        "description": "UART0 receive signal (also GPIO3 and CLK_OUT2), commonly used for debug."
      },
      {
        "number": "41",
        "name": "U0TXD",
        "type": "bidirectional",
        "description": "UART0 transmit signal (also GPIO1, CLK_OUT3 and EMAC_RXD2), commonly used for debug; a strapping pin for U0TXD printing control."
      },
      {
        "number": "42",
        "name": "GPIO21",
        "type": "bidirectional",
        "description": "General-purpose I/O (GPIO21) with VSPIHD and EMAC_TX_EN functions."
      },
      {
        "number": "43",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply, 2.3 V to 3.6 V."
      },
      {
        "number": "44",
        "name": "XTAL_N",
        "type": "output",
        "description": "External main crystal oscillator output; connects to an active or passive crystal (2 MHz to 60 MHz; 40 MHz required when using Wi-Fi/Bluetooth)."
      },
      {
        "number": "45",
        "name": "XTAL_P",
        "type": "input",
        "description": "External main crystal oscillator input (differential clock positive side) for an active or passive crystal."
      },
      {
        "number": "46",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply, 2.3 V to 3.6 V."
      },
      {
        "number": "47",
        "name": "CAP2",
        "type": "input",
        "description": "Connects to CAP1 through a 3.3 nF (10%) capacitor in parallel with a 20 kΩ resistor."
      },
      {
        "number": "48",
        "name": "CAP1",
        "type": "input",
        "description": "Connects to ground through a 10 nF capacitor in series."
      },
      {
        "number": "49",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; this is the exposed thermal pad of the QFN 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 1-1 lists ESP32-D0WD-V3 as QFN 5*5. The datasheet pin table (Table 2-1) is a single list and d; Pin 49 is the GND pin in the datasheet and is taken as the exposed pad of the QFN-48-EP package. The; VDD_SDIO (pin 26) is listed as 'input/output' in Table 2-3 and as a power output in Table 2-1. It is"
        ],
        "pages_sent": 63,
        "cost_usd": 0.2866,
        "at": "2026-10-09T23:44:57"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588893898513399808",
        "pages": 74,
        "sha256": "bac015371d876744",
        "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": "esp32-d0wd-v3.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "bdef7330531c8a62fd1740be5d4ee88a2520275cd173f5de2a729248fb1c21a0",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "esp32-d0wd-v3-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "061822022c555bc7a9d163835a82821e894de128d55505a4b92b44d4879c87d3",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}