STMicroelectronics LSM6DSLTR LGA-14 6-Axis Accelerometer Gyro Sensor

Name: STMicroelectronics LSM6DSLTR LGA-14 6-Axis Accelerometer Gyro Sensor
Brand: STMicroelectronics
SKU: SENS-1141
Price: 309.00 INR
Availability: OutOfStock

₹309.00 (Inclusive of all taxes)

Out of Stock

The STMicroelectronics LSM6DSLTR is a low-power, high-performance 6-axis inertial measurement unit (IMU) integrating a 3D digital accelerometer and a 3D digital gyroscope in an LGA-14 package. It features SPI and I2C digital interfaces for seamless integration with microcontrollers like Arduino, Raspberry Pi, ESP32, and STM32, making it ideal for advanced motion sensing applications.

Features

6-axis inertial sensing: 3D accelerometer (±2/±4/±8/±16 g) and 3D gyroscope (±125/±245/±500/±1000/±2000 dps).
Ultra-low power operation: 0.4 mA in normal mode and 0.65 mA in high-performance mode.
Dual digital interfaces: Supports both SPI (4-wire) and I2C for flexible system integration.
Embedded smart features: Includes pedometer, step counter, motion detection, free-fall, and tilt detection.
Integrated 4 kB FIFO buffer for efficient data batching and reduced host processor load.

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Description

The LSM6DSLTR is a MEMS-based system-in-package (SiP) designed for precise motion tracking and orientation sensing. Its digital output accelerometer and gyroscope provide high-fidelity data for complex motion algorithms, while the embedded signal conditioning ensures stable performance across its full operating temperature range.

This sensor is engineered for robustness in consumer and industrial applications, featuring a compact LGA-14 footprint. The integrated smart functions and configurable FIFO allow for sophisticated activity recognition and power management, enabling always-on sensing in battery-powered IoT devices, wearables, and robotics platforms.

Key Features

High-Performance MEMS Core: Delivers precise and stable acceleration and angular rate measurements with configurable full-scale ranges.
Advanced Power Management: Multiple operational modes optimize the balance between performance and current consumption for extended battery life.
Smart Embedded Processing: On-chip algorithms for pedometer, motion detection, and free-fall/tilt detection reduce software complexity and host MCU overhead.
Data Synchronization & FIFO: A 4 kB FIFO buffer allows dynamic data batching and features data synchronization for time-correlating accelerometer and gyroscope samples.
Robust Digital Interface: SPI (up to 10 MHz) and I2C (up to 1 MHz) communication protocols ensure reliable data transfer and easy daisy-chaining.
Extended Temperature Range: Operates reliably from -40°C to +85°C, suitable for demanding environmental conditions.
Compact Form Factor: The LGA-14 package (2.5 x 3.0 mm) enables integration into space-constrained designs.
High-Value Build: Offers an optimized performance-to-cost ratio for commercial and industrial motion sensing solutions.

Applications

Wearable device activity tracking and step counting.
Robotics platform stabilization and inertial navigation.
IoT device gesture recognition and user interface control.
Drone flight controller stabilization and attitude estimation.
Industrial equipment vibration monitoring and tilt sensing.

Technical Specifications

Manufacturer Part Number	LSM6DSLTR
Sensor Type	6-Axis IMU (3D Accelerometer + 3D Gyroscope)
Accelerometer Range	±2 g, ±4 g, ±8 g, ±16 g (Selectable)
Gyroscope Range	±125 dps, ±245 dps, ±500 dps, ±1000 dps, ±2000 dps (Selectable)
Interface	SPI (4-wire), I2C
Supply Voltage (Vdd)	1.71 V to 3.6 V
Current Consumption (Normal Mode)	0.4 mA
Current Consumption (High-Perf. Mode)	0.65 mA
FIFO Buffer	4 kB
Embedded Functions	Pedometer, Step Counter, Motion Detection, Free-Fall Detection, Tilt Detection
Operating Temperature	-40°C to +85°C
Package Type	LGA-14
Package Dimensions	2.5 x 3.0 mm
Certification	RoHS Compliant

Frequently Asked Questions

What is the operating voltage range for the LSM6DSLTR sensor?

The LSM6DSLTR operates from a single supply voltage (Vdd) ranging from 1.71V to 3.6V. This makes it compatible with both 3.3V and lower-voltage logic systems commonly found in modern microcontrollers and battery-powered devices.

How do I communicate with the LSM6DSLTR using I2C or SPI?

The sensor supports both I2C (up to 1 MHz) and SPI (4-wire, up to 10 MHz) digital interfaces. The interface is selected via hardware pin (CS). For I2C, use the SDA and SCL pins with a 7-bit device address. For SPI, use the standard MOSI, MISO, SCLK, and CS pins. Refer to the datasheet for the detailed register map and communication protocol.

What embedded features does the LSM6DSLTR offer?

It includes several on-chip algorithms to reduce host processor load: a pedometer and step counter for activity tracking, motion detection for wake-up interrupts, free-fall detection for drop sensing, and tilt detection for orientation changes. These features are configurable through the device's control registers.

What is the purpose of the 4 kB FIFO buffer?

The integrated 4 kB FIFO (First-In, First-Out) buffer allows the sensor to batch data internally. This enables the host microcontroller to enter low-power sleep modes for extended periods while the sensor continues collecting data, significantly reducing overall system power consumption in always-on applications.