SKU: SENS-1143
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STMicroelectronics LSM6DS3TR-C LGA-14 6-Axis Accelerometer Gyro Sensor

₹279.00 (Inclusive of all taxes)
Out of Stock

The STMicroelectronics LSM6DS3TR-C is a low-power 6-axis inertial measurement unit (IMU) integrating a 3D digital accelerometer and a 3D digital gyroscope in a compact LGA-14 package. It features SPI and I2C interfaces for easy integration with microcontrollers like Arduino, Raspberry Pi, ESP32, and STM32, making it ideal for advanced motion tracking and orientation sensing applications.

Features

  • Integrated 3-axis accelerometer (±2/±4/±8/±16 g) and 3-axis gyroscope (±125 to ±2000 dps)
  • Ultra-low power consumption: 0.90 mA in high-performance mode
  • SPI and I2C digital interfaces with data synchronization capability
  • 4 kB smart FIFO buffer for dynamic data batching and power saving
  • Embedded temperature sensor and high shock resistance

Out of stock

Description

The LSM6DS3TR-C is a MEMS-based system-in-package (SiP) designed for precise motion and orientation detection. Its digital output signals are factory-calibrated, providing stable and reliable performance across its full operating temperature range. The device incorporates advanced features like a pedometer, step detector, and programmable interrupts for free-fall, wake-up, and 6D/4D orientation detection, enabling sophisticated motion-aware applications without burdening the host processor.

Built for robustness, the sensor offers high shock survivability and is housed in a compact LGA-14 package (2.5 x 3.0 mm). Its always-on low-power architecture, combined with the configurable FIFO, makes it exceptionally suited for battery-powered wearable devices, IoT nodes, drones, and industrial condition monitoring systems where continuous motion sensing is required.

Key Features

  • High-Performance MEMS Core: Combines a low-noise accelerometer and gyroscope with programmable full-scale ranges for versatile application requirements.
  • Smart Power Management: Features multiple power-down and sleep modes alongside a high-performance mode drawing only 0.90 mA, optimizing battery life.
  • Advanced Data Handling: 4 kB FIFO buffer allows batch data storage, reducing host processor intervention and system-level power consumption.
  • Integrated Motion Intelligence: On-chip pedometer, step detection, tilt, and significant motion recognition algorithms simplify application development.
  • Robust Digital Interface: Dual SPI (up to 10 MHz) and I2C (up to 1 MHz) serial interfaces ensure flexible and reliable communication with various host controllers.
  • Environmental Durability: Operates reliably from -40°C to +85°C and is designed with high shock resistance for demanding environments.
  • Compact Footprint: Housed in a tiny LGA-14 package, enabling integration into space-constrained designs like smartwatches and fitness trackers.

Applications

  • Wearable Electronics: Step counting, activity tracking, and gesture control in smartwatches and fitness bands.
  • IoT and Smart Devices: Orientation sensing for asset tracking, smart home controllers, and robotic toys.
  • Drone and UAV Navigation: Stabilization, attitude estimation, and inertial measurement for flight controllers.
  • Industrial Monitoring: Vibration analysis, shock detection, and equipment condition monitoring in machinery.
  • Augmented/Virtual Reality (AR/VR): Head and controller tracking for immersive user interfaces.

Technical Specifications

Manufacturer Part NumberLSM6DS3TR-C
Sensor Type6-Axis IMU (3-axis Accelerometer + 3-axis Gyroscope)
Accelerometer Full Scale±2 / ±4 / ±8 / ±16 g (Programmable)
Gyroscope Full Scale±125 / ±250 / ±500 / ±1000 / ±2000 dps (Programmable)
InterfaceSPI, I2C
Supply Voltage (Vdd)1.71 V to 3.6 V
Current Consumption (High-Perf Mode)0.90 mA (Typical)
FIFO Buffer4 kB
Embedded FeaturesTemperature Sensor, Pedometer, Step Detector, Tilt, Free-Fall, 6D/4D Orientation
Operating Temperature Range-40°C to +85°C
Package TypeLGA-14
Package Dimensions2.5 x 3.0 x 0.83 mm
CertificationRoHS Compliant

Frequently Asked Questions

What are the communication interfaces supported by the LSM6DS3TR-C?

The LSM6DS3TR-C supports both SPI (Serial Peripheral Interface) and I2C (Inter-Integrated Circuit) digital communication protocols. The SPI interface can operate at speeds up to 10 MHz, while the I2C interface supports standard (100 kHz), fast (400 kHz), and fast-mode plus (1 MHz) speeds. This dual-interface flexibility allows for easy integration with a wide range of host microcontrollers and processors.

What is the purpose of the 4 kB FIFO buffer in this sensor?

The integrated 4 kB FIFO (First-In, First-Out) buffer allows the sensor to store batch data from the accelerometer, gyroscope, and temperature sensor internally. This enables the host processor to enter low-power sleep modes for extended periods while the sensor continues collecting data. The processor can then wake up and read a large batch of data in a single transaction, significantly reducing system-level power consumption and communication overhead.

Can this IMU be used for step counting or pedometer applications?

Yes, the LSM6DS3TR-C includes an embedded pedometer algorithm for step counting and detection. This hardware-based feature runs internally on the sensor, offloading the step-counting processing from the main application processor. It provides a reliable step count and significant motion detection, making it an ideal, power-efficient solution for fitness trackers, smartwatches, and other wearable activity monitors.

What is the operating voltage range for the LSM6DS3TR-C?

The sensor operates from a single supply voltage (Vdd) ranging from 1.71 volts to 3.6 volts. This wide range makes it directly compatible with common 1.8V, 2.5V, and 3.3V logic systems found in modern microcontrollers and battery-powered devices, eliminating the need for an additional voltage regulator in most designs.

Package Includes

  • 1 x STMicroelectronics LSM6DS3TR-C LGA-14 6-Axis IMU Sensor

Additional Information

Weight 0.035 kg
Dimensions 1.7 × 2 × 0.2 cm

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