LSM6DS3TR-C | STMicroelectronics 6-axis iNEMO IMU (3-axis Gyroscope + 3-axis Accelerometer) LSM6DS3TR-C

One sentence summary:** LSM6DS3TR-C is a mature consumer-grade 6DoF MEMS inertial measurement unit from ST. It features low power consumption, abundant built-in motion detection algorithms and high cost performance. It is suitable for attitude detection in smartphones, portable devices, consumer drones and wearable products.## Key Specifications

1. Axes: 6-axis (3-axis gyroscope + 3-axis accelerometer)

2. Accelerometer range: ±2g / ±4g / ±8g / ±16g, software configurable

3. Gyroscope range: ±125 / ±250 / ±500 / ±1000 / ±2000 °/s, software configurable

4. Power supply: VDD 1.71~3.6V; minimum IO independent supply 1.62V, compatible with 1.8V/3.3V MCUs

5. Communication interface: I2C / SPI

6. Operating current: Typical 0.9mA in high-performance simultaneous mode; supports always-on low-power mode

7. FIFO buffer: 4KB smart FIFO for bulk data storage

8. Operating temperature: **-40℃ ~ +85℃ (consumer grade, non-automotive)**

9. Package: LGA-14, dimension 2.5 × 3 × 0.83 mm, SMD mount

10. Built-in: On-chip temperature sensor

11. Compliance: RoHS, ECOPACK eco-friendly package

 Features

1. Synchronously captures 3-axis angular velocity and 3-axis acceleration. The MCU reads data for attitude calculation, motion tracking and dynamic inclination computation.

2. Hardware embedded motion detection interrupts: pedometer, step detection, free fall, wake-up/sleep, 6D orientation, single/double tap detection, significant motion detection.

3. 4KB FIFO bulk buffer reduces MCU polling frequency and lowers system power consumption.

4. Supports always-on low-power mode for continuous motion monitoring in wearable devices.

5. Good mechanical shock resistance, SMT mountable and detectable by TRI AOI.

6. Supports external magnetometer with hard-iron / soft-iron compensation for 9-axis sensor fusion solutions.

Applications

- Consumer electronics: Attitude sensing and screen rotation for smartphones, tablets and laptops

- Wearable devices: Smart watches and bracelets for step counting, attitude sensing and lift-to-wake function

- Consumer drones, small FPV racers, pan-tilt heads and camera stabilization

- Smart remote controls, simple VR/AR tracking, portable motion acquisition equipment

- Smart home devices, motion detection and tilt alarm for portable instruments

- LSM6DS3TR-C: ST consumer 6-axis IMU, low power consumption, rich built-in motion algorithms, high cost performance, consumer grade, max temperature 85℃, no automotive qualification.