LSM6DS3

{
  "schema_version": 1,
  "type": "component",
  "slug": "lsm6ds3",
  "title": "LSM6DS3",
  "brief": "ST 6-axis inertial module, LGA-14. 3D accelerometer + 3D gyroscope, I2C/SPI, FIFO, embedded functions. Datasheet-verified.",
  "version": "0.1.1",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "sensor",
    "imu",
    "accelerometer",
    "gyroscope",
    "6-axis",
    "lga-14",
    "stmicroelectronics"
  ],
  "component": {
    "mpn": "LSM6DS3",
    "manufacturer": "STMicroelectronics",
    "package": "LGA-14",
    "pin_count": 14,
    "category": "Sensor",
    "subcategory": "6-axis IMU (accel + gyro)",
    "datasheet": "https://cdn.sparkfun.com/assets/learn_tutorials/4/1/6/DM00133076.pdf",
    "parts": {
      "symbol": "lsm6ds3.kicad_sym",
      "footprint": "lsm6ds3.kicad_mod",
      "model_3d": "lsm6ds3-etched.glb",
      "model_3d_plain": "lsm6ds3.glb",
      "lbr": "lsm6ds3.lbr",
      "model_3d_step": "lsm6ds3-etched.step",
      "model_3d_step_plain": "lsm6ds3.step"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "SDO/SA0",
        "type": "bidirectional",
        "description": "SPI 4-wire serial data output (SDO) when SPI is selected. In I²C mode this pin sets the least significant bit of the 7-bit device slave address (SA0), giving two selectable I²C addresses on a single bus."
      },
      {
        "number": "2",
        "name": "SDx",
        "type": "bidirectional",
        "description": "Mode 1: not used, must be tied to VDDIO or GND. Mode 2: I²C master serial data (MSDA) for the built-in sensor hub connecting external MEMS peripherals (magnetometer, etc.)."
      },
      {
        "number": "3",
        "name": "SCx",
        "type": "bidirectional",
        "description": "Mode 1: not used, must be tied to VDDIO or GND. Mode 2: I²C master serial clock (MSCL) for the built-in sensor hub connecting external MEMS peripherals."
      },
      {
        "number": "4",
        "name": "INT1",
        "type": "output",
        "description": "Programmable interrupt 1 output. Routes data-ready, FIFO, wake-up, free-fall, tap/double-tap, 6D/4D orientation, tilt, step-detector, significant-motion and other embedded-function events (mapping configured via INT1_CTRL / MD1_CFG)."
      },
      {
        "number": "5",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Independent I/O supply pin (1.62 V typical, 1.71 V to 3.6 V analog VDD range allows level-shifted digital rails). A 100 nF filter capacitor is recommended."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "0 V ground return. Both GND pins (6 and 7) must be tied to the board ground plane."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "0 V ground return. Both GND pins (6 and 7) must be tied to the board ground plane."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Main analog supply, 1.71 V to 3.6 V. A 100 nF filter capacitor is recommended close to the pin."
      },
      {
        "number": "9",
        "name": "INT2",
        "type": "bidirectional",
        "description": "Programmable interrupt 2 output / data-enable (DEN) input used to timestamp external events into the FIFO. In Mode 2 this pin can alternatively act as the I²C master external synchronization signal (MDRDY) indicating a new sample from a sensor-hub slave."
      },
      {
        "number": "10",
        "name": "OCS",
        "type": "input",
        "description": "Auxiliary SPI 3-wire interface enable (mode 3). Leave unconnected in modes 1 and 2 (datasheet Table 2, p.18)."
      },
      {
        "number": "11",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave electrically unconnected but solder to PCB for mechanical support."
      },
      {
        "number": "12",
        "name": "CS",
        "type": "input",
        "description": "I²C / SPI mode selection and SPI chip-select. CS = 1 selects I²C mode (SPI idle); CS = 0 enables SPI communication (I²C disabled). Must be driven high or tied to VDDIO if only I²C is used."
      },
      {
        "number": "13",
        "name": "SCL",
        "type": "input",
        "description": "I²C serial clock (SCL) when I²C is selected, or SPI serial port clock (SPC) when SPI is selected. Muxed between the two host protocols by the CS pin."
      },
      {
        "number": "14",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I²C serial data (SDA) in I²C mode; SPI 4-wire serial data input (SDI) in SPI mode; SPI 3-wire bidirectional serial data (SDO) when SIM = 1 (3-wire SPI). Function selected by CS and SIM configuration."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://cdn.sparkfun.com/assets/learn_tutorials/4/1/6/DM00133076.pdf",
        "pages": 95,
        "sha256": "ec33c24904ddeeb246f04cdf714af5d0ebaacb637c9936f45bb9b3963f88af51",
        "source_tier": "mfr",
        "note": "ST LSM6DS3 datasheet DocID026899 Rev 4 (April 2015). ST no longer hosts it (the part is obsolete; st.com/resource/en/datasheet/lsm6ds3.pdf is 404), so the copy is SparkFun's mirror of ST's own document; sha256 ec33c24904ddeeb2.",
        "replaced": "the LSM6DS3TR-C datasheet (a different sensor), 2026-11-11"
      },
      "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"
    },
    "models_3d": [
      {
        "file": "lsm6ds3.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3,
          2.5,
          0.78
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "135b7bb3b2262aa62b4493c9b0e06504cf329c6e4970fa84d0f8d063763daeb5",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lsm6ds3-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3,
          2.5,
          0.78
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "6886d0d79933066dbed03c70b60409fc2ae74368d6cfc2adc1b624c6693558ab",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "6-axis IMU (accel + gyro)",
      "Accelerometer": "±2/±4/±8/±16 g",
      "Gyroscope": "±125 to ±2000 dps",
      "Interface": "I2C + SPI",
      "FIFO": "4 KB smart FIFO",
      "Embedded": "pedometer, tilt, significant-motion",
      "Supply voltage": "1.71-3.6 V",
      "Package": "LGA-14 (3 x 2.5 mm)"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lsm6ds3",
    "6-axis imu",
    "accelerometer gyroscope",
    "inertial sensor",
    "motion sensor i2c"
  ],
  "discovery_pitch": "LSM6DS3 6-axis IMU (3D accel + 3D gyro, LGA-14) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lsm6ds3.kicad_sym",
    "lsm6ds3.kicad_mod",
    "lsm6ds3.glb",
    "lsm6ds3.lbr",
    "docs/hero.png",
    "docs/lsm6ds3-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lsm6ds3-etched.step",
    "lsm6ds3-etched.glb",
    "lsm6ds3.step"
  ],
  "variants": [
    {
      "mpn": "LSM6DS3TR (LGA-14)",
      "kind": "packaging"
    },
    {
      "mpn": "LSM6DS3 (LGA-14)",
      "kind": "packaging"
    }
  ],
  "description": "ST 6-axis inertial module, LGA-14. 3D accelerometer + 3D gyroscope, I2C/SPI, FIFO, embedded functions. Datasheet-verified.",
  "visibility": "public",
  "org": "adom"
}