ESP32-C6-WROOM-1-N4

{
  "schema_version": 1,
  "type": "component",
  "slug": "esp32-c6-wroom-1-n4",
  "title": "ESP32-C6-WROOM-1-N4",
  "brief": "ESPRESSIF INC WiFi Modules, SMD-28P. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "iot-communication modules",
    "esp32-c6-wroom-1-n4",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ESP32-C6-WROOM-1-N4",
    "manufacturer": "ESPRESSIF INC",
    "package": "SMD-28P",
    "pin_count": 29,
    "category": "IoT/Communication Modules",
    "subcategory": "WiFi Modules",
    "datasheet": "https://www.espressif.com/sites/default/files/documentation/esp32-c6-wroom-1-wroom-1u_datasheet_en.pdf",
    "parts": {
      "symbol": "esp32-c6-wroom-1-n4.kicad_sym",
      "footprint": "esp32-c6-wroom-1-n4.kicad_mod",
      "model_3d": "esp32-c6-wroom-1-n4-etched.glb",
      "model_3d_plain": "esp32-c6-wroom-1-n4.glb",
      "model_3d_step": "esp32-c6-wroom-1-n4-etched.step",
      "model_3d_step_plain": "esp32-c6-wroom-1-n4.step",
      "lbr": "esp32-c6-wroom-1-n4.lbr"
    },
    "distributor_links": {
      "lcsc": "C6034714",
      "digikey": "1965-ESP32-C6-WROOM-1-N4TR-ND",
      "mouser": "356-ESP32C6WROOM1N4"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T17:49:05Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1965-ESP32-C6-WROOM-1-N4TR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "356-ESP32C6WROOM1N4",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin of the module."
      },
      {
        "number": "2",
        "name": "3V3",
        "type": "power_in",
        "description": "Power supply pin; the datasheet's recommended operating range for the module supply (VDD33) is 3.0 V to 3.6 V with a 3.3 V typical value."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Chip enable: high turns the chip on and low powers it off, and the pin must not be left floating."
      },
      {
        "number": "4",
        "name": "IO4",
        "type": "bidirectional",
        "description": "GPIO4 with alternate functions MTMS, LP_GPIO4, LP_UART_RXD, ADC1_CH4 and FSPIHD; MTMS is a strapping pin."
      },
      {
        "number": "5",
        "name": "IO5",
        "type": "bidirectional",
        "description": "GPIO5 with alternate functions MTDI, LP_GPIO5, LP_UART_TXD, ADC1_CH5 and FSPIWP; MTDI is a strapping pin."
      },
      {
        "number": "6",
        "name": "IO6",
        "type": "bidirectional",
        "description": "GPIO6 with alternate functions MTCK, LP_GPIO6, LP_I2C_SDA, ADC1_CH6 and FSPICLK."
      },
      {
        "number": "7",
        "name": "IO7",
        "type": "bidirectional",
        "description": "GPIO7 with alternate functions MTDO, LP_GPIO7, LP_I2C_SCL and FSPID."
      },
      {
        "number": "8",
        "name": "IO0",
        "type": "bidirectional",
        "description": "GPIO0 with alternate functions XTAL_32K_P, LP_GPIO0, LP_UART_DTRN and ADC1_CH0."
      },
      {
        "number": "9",
        "name": "IO1",
        "type": "bidirectional",
        "description": "GPIO1 with alternate functions XTAL_32K_N, LP_GPIO1, LP_UART_DSRN and ADC1_CH1."
      },
      {
        "number": "10",
        "name": "IO8",
        "type": "bidirectional",
        "description": "GPIO8; strapping pin used for chip boot mode and ROM message printing control."
      },
      {
        "number": "11",
        "name": "IO10",
        "type": "bidirectional",
        "description": "GPIO10 general-purpose I/O."
      },
      {
        "number": "12",
        "name": "IO11",
        "type": "bidirectional",
        "description": "GPIO11 general-purpose I/O."
      },
      {
        "number": "13",
        "name": "IO12",
        "type": "bidirectional",
        "description": "GPIO12 with USB D- function (USB_D-), as printed in the pin table."
      },
      {
        "number": "14",
        "name": "IO13",
        "type": "bidirectional",
        "description": "GPIO13 with USB D+ function (USB_D+)."
      },
      {
        "number": "15",
        "name": "IO9",
        "type": "bidirectional",
        "description": "GPIO9; strapping pin used for chip boot mode selection (default weak pull-up)."
      },
      {
        "number": "16",
        "name": "IO18",
        "type": "bidirectional",
        "description": "GPIO18 with alternate functions SDIO_CMD and FSPICS2."
      },
      {
        "number": "17",
        "name": "IO19",
        "type": "bidirectional",
        "description": "GPIO19 with alternate functions SDIO_CLK and FSPICS3."
      },
      {
        "number": "18",
        "name": "IO20",
        "type": "bidirectional",
        "description": "GPIO20 with alternate functions SDIO_DATA0 and FSPICS4."
      },
      {
        "number": "19",
        "name": "IO21",
        "type": "bidirectional",
        "description": "GPIO21 with alternate functions SDIO_DATA1 and FSPICS5."
      },
      {
        "number": "20",
        "name": "IO22",
        "type": "bidirectional",
        "description": "GPIO22 with alternate function SDIO_DATA2."
      },
      {
        "number": "21",
        "name": "IO23",
        "type": "bidirectional",
        "description": "GPIO23 with alternate function SDIO_DATA3."
      },
      {
        "number": "22",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected (NC) pin."
      },
      {
        "number": "23",
        "name": "IO15",
        "type": "bidirectional",
        "description": "GPIO15; strapping pin used for JTAG signal source control."
      },
      {
        "number": "24",
        "name": "RXD0",
        "type": "bidirectional",
        "description": "UART0 receive (U0RXD) with alternate functions GPIO17 and FSPICS1."
      },
      {
        "number": "25",
        "name": "TXD0",
        "type": "bidirectional",
        "description": "UART0 transmit (U0TXD) with alternate functions GPIO16 and FSPICS0."
      },
      {
        "number": "26",
        "name": "IO3",
        "type": "bidirectional",
        "description": "GPIO3 with alternate functions LP_GPIO3, LP_UART_CTSN and ADC1_CH3."
      },
      {
        "number": "27",
        "name": "IO2",
        "type": "bidirectional",
        "description": "GPIO2 with alternate functions LP_GPIO2, LP_UART_RTSN, ADC1_CH2 and FSPIQ."
      },
      {
        "number": "28",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin of the module."
      },
      {
        "number": "29",
        "name": "EPAD",
        "type": "power_in",
        "description": "Exposed thermal pad that is ground; soldering it to the base board ground is optional and improves thermal performance, but excess solder paste can degrade adhesion of the other pins."
      }
    ],
    "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 hint 'SMD-28P' does not appear in the datasheet. The module is described with 29 pins: pins ; The MPN ESP32-C6-WROOM-1-N4 is in the WROOM-1 (ANT) series (Table 1-1). The pin table covers ESP32-C; The datasheet names the supply pin '3V3' in the pin table, but the electrical tables use 'VDD33'. Ma"
        ],
        "pages_sent": 26,
        "cost_usd": 0.0713,
        "at": "2026-10-28T17:48:14"
      },
      "datasheet": {
        "url": "https://www.espressif.com/sites/default/files/documentation/esp32-c6-wroom-1-wroom-1u_datasheet_en.pdf",
        "pages": 52,
        "sha256": "163020762fa6d499",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 29,
        "described": 29,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
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        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": -0.001,
        "centre_offset_mm": 2.995,
        "footprint_binding": "identity",
        "sha256": "c4a01d02c096b6a5c20d2e59e025394643c3d98a27549def7700126c2185109a",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "1395fcf93e452f894b175fb0c54233c989d1e9d4a3fe090a06a03728a27a1748",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ESPRESSIF INC",
      "Package": "SMD-28P",
      "Category": "IoT/Communication Modules",
      "Pins": "29"
    },
    "appearance": {
      "contacts": {
        "quote": "Solder: Sn-Ag-Cu (SAC305) lead-free solder Temperature (°C)",
        "page": 46,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "163020762fa6d499e0c611c5a13e78ad9d4720b421c6bc5e14e16fc748862b73"
    },
    "characteristics": {
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        {
          "name": "Power supply voltage",
          "symbol": "VDD33",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 26,
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        },
        {
          "name": "Storage temperature",
          "symbol": "TSTORE",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 105,
          "conditions": "",
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        {
          "name": "Power supply voltage",
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          "min": 3,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "",
          "source_page": 26,
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        },
        {
          "name": "Current delivered by external power supply",
          "symbol": "IVDD",
          "kind": "recommended_operating",
          "unit": "A",
          "min": 0.5,
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        {
          "name": "Operating ambient temperature",
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          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "85 °C version",
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        },
        {
          "name": "Low-level input voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
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          "source_page": 26,
          "source": "datasheet"
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        {
          "name": "Low-level input current",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 26,
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        {
          "name": "High-level input current",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 26,
          "source": "datasheet"
        },
        {
          "name": "Chip reset voltage",
          "symbol": "VIL_nRST",
          "kind": "electrical",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "CHIP_PU voltage is within the specified range",
          "source_page": 27,
          "source": "datasheet"
        },
        {
          "name": "RF transmit power range",
          "symbol": "",
          "kind": "electrical",
          "unit": "dBm",
          "min": -16,
          "typ": null,
          "max": 19,
          "conditions": "802.15.4 Transmitter Characteristics - 250 Kbps",
          "source_page": 37,
          "source": "datasheet"
        },
        {
          "name": "Power supply voltage (1.8 V)",
          "symbol": "VCC",
          "kind": "electrical",
          "unit": "V",
          "min": 1.65,
          "typ": 1.8,
          "max": 2,
          "conditions": "Power supply voltage (1.8 V)",
          "source_page": 28,
          "source": "datasheet"
        },
        {
          "name": "Power supply voltage (3.3 V)",
          "symbol": "VCC",
          "kind": "electrical",
          "unit": "V",
          "min": 2.7,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "Power supply voltage (3.3 V)",
          "source_page": 28,
          "source": "datasheet"
        },
        {
          "name": "Maximum clock frequency",
          "symbol": "FC",
          "kind": "electrical",
          "unit": "MHz",
          "min": 80,
          "typ": null,
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          "conditions": "",
          "source_page": 28,
          "source": "datasheet"
        },
        {
          "name": "Program/erase cycles",
          "symbol": "",
          "kind": "electrical",
          "unit": "cycles",
          "min": 100000,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 28,
          "source": "datasheet"
        },
        {
          "name": "Data retention time",
          "symbol": "TRET",
          "kind": "electrical",
          "unit": "years",
          "min": 20,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 28,
          "source": "datasheet"
        },
        {
          "name": "Page program time",
          "symbol": "TPP",
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          "unit": "ms",
          "min": null,
          "typ": 0.8,
          "max": 5,
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        {
          "name": "Sector erase time (4 KB)",
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          "unit": "ms",
          "min": null,
          "typ": 70,
          "max": 500,
          "conditions": "Sector erase time (4 KB)",
          "source_page": 29,
          "source": "datasheet"
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        {
          "name": "Block erase time (32 KB)",
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          "unit": "s",
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          "name": "Block erase time (64 KB)",
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          "name": "Chip erase time (128 Mb)",
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          "source_page": 29,
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          "name": "Chip erase time (256 Mb)",
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          "kind": "electrical",
          "unit": "s",
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          "conditions": "Chip erase time (256 Mb)",
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  "author": {
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