ICM-20948

{
  "schema_version": 1,
  "type": "component",
  "slug": "icm-20948",
  "title": "ICM-20948",
  "brief": "TDK InvenSense Accelerometers, QFN-24(3x3). Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "sensors",
    "icm-20948"
  ],
  "component": {
    "mpn": "ICM-20948",
    "manufacturer": "TDK InvenSense",
    "package": "QFN-24(3x3)",
    "pin_count": 24,
    "category": "Sensors",
    "subcategory": "Accelerometers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588885225937625088",
    "parts": {
      "symbol": "icm-20948.kicad_sym",
      "footprint": "icm-20948.kicad_mod",
      "model_3d": "icm-20948-etched.glb",
      "model_3d_plain": "icm-20948.glb",
      "model_3d_step": "icm-20948-etched.step",
      "model_3d_step_plain": "icm-20948.step",
      "lbr": "icm-20948.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Do not connect."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Do not connect."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Do not connect."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Do not connect."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Do not connect."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Do not connect."
      },
      {
        "number": "7",
        "name": "AUX_CL",
        "type": "output",
        "description": "Auxiliary I2C master serial clock, used to interface external sensors (e.g. onboard AK09916 magnetometer)."
      },
      {
        "number": "8",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Digital I/O supply voltage. Operating range 1.71-1.95 V. Requires 0.1 uF bypass capacitor to GND."
      },
      {
        "number": "9",
        "name": "AD0/SDO",
        "type": "bidirectional",
        "description": "In I2C mode: I2C slave address LSB (AD0) - selects 7-bit slave address 0x68 (low) or 0x69 (high). In SPI mode: SPI serial data output (SDO)."
      },
      {
        "number": "10",
        "name": "REGOUT",
        "type": "passive",
        "description": "Internal regulator filter capacitor connection. Connect a 0.1 uF X7R ceramic capacitor (2 V rating) between this pin and GND."
      },
      {
        "number": "11",
        "name": "FSYNC",
        "type": "input",
        "description": "Frame synchronization digital input, used for EIS timestamping/synchronization. Tie to GND if unused."
      },
      {
        "number": "12",
        "name": "INT1",
        "type": "output",
        "description": "Interrupt 1 output. Programmable (push-pull/open-drain, active-high/low) via INT_PIN_CFG register. Route to a host GPIO capable of waking the processor."
      },
      {
        "number": "13",
        "name": "VDD",
        "type": "power_in",
        "description": "Main power supply voltage. Operating range 1.71-3.6 V. Requires 0.1 uF bypass capacitor to GND."
      },
      {
        "number": "14",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Do not connect."
      },
      {
        "number": "15",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Do not connect."
      },
      {
        "number": "16",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Do not connect."
      },
      {
        "number": "17",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Do not connect."
      },
      {
        "number": "18",
        "name": "GND",
        "type": "power_in",
        "description": "Power supply ground. The exposed die pad is NOT electrically connected to GND and should not be soldered down (avoids package thermo-mechanical stress)."
      },
      {
        "number": "19",
        "name": "RESV",
        "type": "unconnected",
        "description": "Reserved. Do not connect (leave floating)."
      },
      {
        "number": "20",
        "name": "RESV",
        "type": "passive",
        "description": "Reserved. Must be connected to GND."
      },
      {
        "number": "21",
        "name": "AUX_DA",
        "type": "bidirectional",
        "description": "Auxiliary I2C master serial data, used to interface external sensors (e.g. onboard AK09916 magnetometer). Open-drain; requires pull-up."
      },
      {
        "number": "22",
        "name": "nCS",
        "type": "input",
        "description": "SPI chip select, active low. Tie high in I2C mode; a low level at boot latches the device into SPI mode."
      },
      {
        "number": "23",
        "name": "SCL/SCLK",
        "type": "input",
        "description": "In I2C mode: I2C serial clock (SCL, open-drain, requires 10 kΩ pull-up to VDDIO). In SPI mode: SPI serial clock (SCLK), up to 7 MHz."
      },
      {
        "number": "24",
        "name": "SDA/SDI",
        "type": "bidirectional",
        "description": "In I2C mode: I2C serial data (SDA, open-drain, requires 10 kΩ pull-up to VDDIO). In SPI mode: SPI serial data input (SDI/MOSI)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588885225937625088",
        "pages": 88,
        "sha256": "230aaf125f015d7b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 24,
        "described": 24,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TDK InvenSense",
      "Package": "QFN-24(3x3)",
      "Category": "Sensors",
      "Pins": "24"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "icm-20948"
  ],
  "discovery_pitch": "ICM-20948 (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-20948.kicad_sym",
    "icm-20948.kicad_mod",
    "icm-20948.glb",
    "icm-20948.step",
    "icm-20948.lbr",
    "docs/hero.png",
    "docs/icm-20948-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  }
}