The LSM6DSV16XTR is a high-performance, low-power 6-axis IMU that integrates a 3-axis accelerometer and a 3-axis gyroscope in a compact package. It features a triple-channel architecture that independently processes motion data for user interface, OIS, and EIS applications, ensuring accurate sensing with dedicated configuration and filtering for each channel.
Designed for edge computing, the LSM6DSV16XTR includes an embedded finite state machine (FSM) and machine learning core (MLC) for intelligent motion tracking and context awareness. With adaptive self-configuration, gesture detection, and an integrated analog hub, it enables flexible and efficient motion-based system designs with minimal host processor involvement.
LSM6DSV16XTR Overview
The LSM6DSV16XTR IMU provides more than just basic orientation detection. By integrating an embedded Machine Learning Core (MLC) and Finite State Machine (FSM) processing, it shifts algorithms from the application processor to the sensor itself, significantly reducing overall system power consumption and improving reaction time. The sensor also supports advanced Sensor Fusion Low-Power (SFLP) algorithms, enabling it to directly output a 6-axis game rotation vector represented as a quaternion.
Regarding hardware flexibility, the LSM6DSV16X features three independent processing channels specifically designed for OIS (Optical Image Stabilization) and EIS (Electronic Image Stabilization) applications, supporting high-speed data acquisition via an auxiliary SPI or primary interfaces such as I²C, MIPI I3C, and SPI. Additionally, it innovatively integrates a Qvar electrostatic sensor and an Analog Hub, allowing it to detect potential variations for touch and swipe gestures or convert external analog inputs into digital signals for processing.
LSM6DSV16XTR Key Specs
Parameter | Value |
Part Number | LSM6DSV16XTR |
Manufacturer | STMicroelectronics |
Category | IMUs (Inertial Measurement Units) |
Mounting Type | Surface Mount |
Operating Temperature | -40°C ~ 85°C |
Output Type | I²C, SPI |
Package / Case | 14-VFLGA |
Product Status | Active |
Supplier Device Package | 14-LGA (2.5x3) |
Sensor Type | Accelerometer, Gyroscope, Temperature, 6 Axis |
Base Product Number | LSM6 |
LSM6DSV16XTR Pin Connections
The LSM6DSV16X IMU offers flexibility to connect the pins in order to have three different mode connections and functionalities. In detail:
• Mode 1: I²C / MIPI I3C® slave interface or SPI (3- and 4-wire) serial interface is available. The analog hub and Qvar functionalities are available in mode 1 with I²C interface only.
• Mode 2: I²C / MIPI I3C® slave interface or SPI (3- and 4-wire) serial interface and I²C interface master for external sensor connections are available.
• Mode 3: I²C / MIPI I3C® slave interface or SPI (3- and 4-wire) serial interface is available for the application processor interface while an auxiliary SPI (3- and 4-wire) serial interface for external sensor connections is available for the accelerometer and gyroscope.
LSM6DSV16XTR Features
• Triple-channel architecture for UI, EIS, and OIS data processing
• "Always-on" experience with low power consumption for both accelerometer
and gyroscope
• Smart FIFO up to 4.5 KB
• Android compliant
• ±2/±4/±8/±16 g full scale
• ±125/±250/±500/±1000/±2000/±4000 dps full scale
• SPI / I²C & MIPI I3C® v1.1 serial interface with main processor data
synchronization
• Auxiliary SPI for OIS data output for gyroscope and accelerometer
• OIS configurable from aux. SPI, primary interface (SPI / I²C & MIPI I3C® v1.1)
• EIS dedicated channel on primary interface with dedicated filtering
• Advanced pedometer, step detector, and step counter
• Significant motion detection, tilt detection
• Standard interrupts: free-fall, wake-up, 6D/4D orientation, click and double
click
• Programmable finite state machine for accelerometer, gyroscope, and external
sensor data processing with high rate @ 960 Hz
• Machine learning core with exportable features and filters for AI applications
• Embedded adaptive self-configuration (ASC)
• Embedded Qvar (electrostatic sensor) for user interface functions (tap, double
tap, triple tap, long press, L/R – R/L swipe)
• Embedded analog hub for ADC and processing analog input data
• Embedded sensor fusion low-power algorithm
• Embedded temperature sensor
• Analog supply voltage: 1.71 V to 3.6 V
• Independent IO supply (extended range: 1.08 V to 3.6 V)
• Power consumption: 0.65 mA in combo high-performance mode
• Compact footprint: 2.5 mm x 3 mm x 0.83 mm
• ECOPACK and RoHS compliant
LSM6DSV16XTR User Interface & Gesture Detection
The LSM6DSV16XTR integrates Qvar (electric charge variation detection) technology, which detects very small charge changes around electrodes to accurately recognize user touch and gesture actions. Compared with traditional mechanical buttons or simple touch solutions, Qvar does not rely on complex external structures, offers strong immunity to interference, and helps simplify system design while improving overall reliability.
Combined with Qvar and built-in algorithms, the device supports a wide range of common gestures, including tap, double tap, triple tap, long press, and left/right or right/left swipe. These gestures are detected and processed directly inside the sensor, reducing the workload of the host processor, lowering system power consumption, and improving response time.
From a user interface perspective, the LSM6DSV16XTR is well suited for wearable devices, portable electronics, and smart terminals. Simple touch or gesture operations can be used for wake-up, mode switching, or function control, enhancing the user experience while enabling buttonless, compact, and low-power product designs.
LSM6DSV16XTR Applications
Motion Tracking & Gesture Detection (AR / VR / MR / Metaverse)
LSM6DSV16XTR provides high-accuracy acceleration and angular rate data with low latency, enabling precise head tracking, hand motion recognition, and gesture-based interaction. Its embedded processing capabilities help reduce system latency, which is critical for immersive AR, VR, and MR experiences, as well as emerging metaverse platforms.
Wearables
In wearable devices such as smartwatches, fitness bands, and health monitors, the sensor supports continuous activity tracking, step counting, posture detection, and gesture control. Thanks to its low-power design and embedded intelligence, it enables always-on sensing while extending battery life.
Indoor Navigation
The device supports dead-reckoning and motion-based positioning, making it suitable for indoor navigation systems where GPS is unavailable. It can be used in smart buildings, shopping malls, and industrial facilities to track movement and improve location-aware services.
IoT & Connected Devices
LSM6DSV16XTR is well suited for IoT nodes and connected products that require event-based motion detection and context awareness. Its on-chip processing reduces the workload of the host processor, allowing faster response times and lower overall system power consumption.
Smartphones & Handheld Devices
In mobile phones and handheld electronics, the sensor enhances user experience through screen orientation detection, motion-based UI interactions, gaming control, and power-efficient background motion sensing.
Camera Applications (EIS / OIS)
The high-stability gyroscope data enables effective electronic image stabilization (EIS) and optical image stabilization (OIS). This helps reduce motion blur and jitter in photos and videos, especially in low-light or handheld shooting conditions.
Vibration Monitoring & Compensation
The sensor can detect and analyze vibrations in mechanical systems, supporting vibration monitoring, compensation, and fault detection. This makes it suitable for both consumer devices and industrial applications where reliability and stability are critical.
LSM6DSV16XTR Package
The LSM6DSV16X features a plastic Land Grid Array (LGA) package with compact dimensions of just 2.5 x 3.0 x 0.83 mm. This ultra-small footprint enables the development of highly integrated and miniature intelligent solutions.
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