ICM-42631

{
  "schema_version": 1,
  "type": "component",
  "slug": "icm-42631",
  "title": "ICM-42631",
  "brief": "TDK InvenSense Accelerometers, LGA-14(2.5x3). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "sensor",
    "icm-42631"
  ],
  "component": {
    "mpn": "ICM-42631",
    "manufacturer": "TDK InvenSense",
    "package": "LGA-14(2.5x3)",
    "pin_count": 14,
    "category": "Sensor",
    "subcategory": "Accelerometers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/01f1a12efe333b71350ad9221ae6b099.pdf",
    "parts": {
      "symbol": "icm-42631.kicad_sym",
      "footprint": "icm-42631.kicad_mod",
      "model_3d": "icm-42631-etched.glb",
      "model_3d_plain": "icm-42631.glb",
      "model_3d_step": "icm-42631-etched.step",
      "model_3d_step_plain": "icm-42631.step",
      "lbr": "icm-42631.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "AP_SDO/AP_AD0",
        "type": "bidirectional",
        "description": "AP SPI serial data output (4-wire SPI mode) or I3C/I2C slave address LSB. Pull-up/pull-down disabled by default; configurable via PIN1_PU_EN / PIN1_PD_EN (register 0x0Eh in Bank 3)."
      },
      {
        "number": "2",
        "name": "AUX1_SDIO/AUX1_SDI",
        "type": "bidirectional",
        "description": "AUX1 SPI serial data I/O (3-wire mode) or AUX1 SPI serial data input (4-wire mode). In single-interface mode, connect to VDDIO or GND. Pull-up configurable via PIN2_PU_EN."
      },
      {
        "number": "3",
        "name": "AUX1_SCLK",
        "type": "input",
        "description": "AUX1 SPI serial clock. In single-interface mode, connect to VDDIO or GND. Pull-up configurable via PIN3_PU_EN."
      },
      {
        "number": "4",
        "name": "INT1/INT",
        "type": "output",
        "description": "Interrupt 1 output; can be configured as push-pull or open-drain. In single-interface mode INT maps all interrupts to pin 4. Pull-down configurable via PIN4_PD_EN."
      },
      {
        "number": "5",
        "name": "VDDIO",
        "type": "power_in",
        "description": "I/O power supply voltage, 1.71 V to 3.6 V DC. Requires a 10 nF X7R bypass capacitor (C3) to GND per typical operating circuit."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Power supply ground return."
      },
      {
        "number": "7",
        "name": "AUX2_CS/RESV",
        "type": "input",
        "description": "In triple-interface mode: AUX2 SPI chip select (active low). In single/dual-interface mode: RESV - must be connected to GND. Pull-up disabled by default in single/dual mode and enabled by default in triple mode."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Core analog supply voltage, 1.71 V to 3.6 V DC. Requires 0.1 µF (C1) and 2.2 µF (C2) X7R bypass capacitors to GND per typical operating circuit."
      },
      {
        "number": "9",
        "name": "INT2/FSYNC/AUX2_SDIO",
        "type": "bidirectional",
        "description": "In single/dual-interface mode: INT2 interrupt output (push-pull or open-drain), or FSYNC frame sync input (tie to GND if unused). In triple-interface mode: AUX2 SPI serial data I/O. PIN9_AUX2_PD_EN must be 0 when triple-interface mode is used."
      },
      {
        "number": "10",
        "name": "AUX1_CS/NC",
        "type": "input",
        "description": "AUX1 SPI chip select (active low) in dual- and triple-interface modes. Not connected in single-interface mode. Pull-up enabled by default in single-interface mode and disabled in dual/triple-interface mode; configurable via PIN10_PU_EN."
      },
      {
        "number": "11",
        "name": "AUX1_SDO/AUX2_SCLK",
        "type": "bidirectional",
        "description": "In dual-interface mode: AUX1 SPI serial data output (4-wire); NC when 3-wire is used for AUX1. In triple-interface mode: AUX2 SPI serial clock. In single-interface mode: connect to VDDIO or NC. Pull-up configurable via PIN11_PU_EN."
      },
      {
        "number": "12",
        "name": "AP_CS",
        "type": "input",
        "description": "AP SPI chip select (active low) when the host interface is SPI. Connect to VDDIO when using the I3C/I2C interface. Pull-up enabled by default; configurable via PIN12_PU_EN / PIN12_PD_EN."
      },
      {
        "number": "13",
        "name": "AP_SCL/AP_SCLK",
        "type": "input",
        "description": "AP I3C/I2C serial clock (AP_SCL) or AP SPI serial clock (AP_SCLK), selected by host interface mode. Supports 12.5 MHz I3C, 1 MHz I2C, and 24 MHz SPI. Pull-up/pull-down configurable via PIN13_PU_EN / PIN13_PD_EN."
      },
      {
        "number": "14",
        "name": "AP_SDA/AP_SDIO/AP_SDI",
        "type": "bidirectional",
        "description": "AP I3C/I2C serial data (AP_SDA), AP SPI serial data I/O (AP_SDIO, 3-wire), or AP SPI serial data input (AP_SDI, 4-wire), selected by host interface mode. Pull-up/pull-down configurable via PIN14_PU_EN / PIN14_PD_EN."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/01f1a12efe333b71350ad9221ae6b099.pdf",
        "pages": 134,
        "sha256": "3456fbe839202657",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TDK InvenSense",
      "Package": "LGA-14(2.5x3)",
      "Category": "Sensor",
      "Pins": "14"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "icm-42631"
  ],
  "discovery_pitch": "ICM-42631 (TDK InvenSense) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "icm-42631.kicad_sym",
    "icm-42631.kicad_mod",
    "icm-42631.glb",
    "icm-42631.step",
    "icm-42631.lbr",
    "docs/hero.png",
    "docs/icm-42631-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "icm-42631-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "ICM-42631",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T22:26:27.273Z"
}