STMicroelectronics has introduced the LSM6DSV80X, a groundbreaking two-in-one MEMS accelerometer that combines high and low g-force detection into a single chip. Designed to measure a wide spectrum of motion—from subtle movements to intense physical impacts—the new sensor is a game-changer for wearable and sports-monitoring devices.
The LSM6DSV80X integrates two separate accelerometer structures (up to 16 g and 80 g) and a high-performance gyroscope capable of capturing angular velocity up to 4,000 degrees per second (dps). This combination enables accurate and seamless detection of minor and extreme movements without sacrificing sensitivity or response time.
Solving a Common IMU Design Challenge
Traditionally, product designers have had to integrate two separate accelerometers to cover a wide motion range or settle for limited performance. ST’s latest innovation eliminates that trade-off. With smart transition management between the low-g and high-g sensors, the LSM6DSV80X ensures precise measurement across the entire range from 2 g to 80 g.
This dual-scale sensing capability positions the chip as a single-chip solution suitable for everything from step tracking in fitness bands to shock detection in professional sports gear.
Key Specifications and Features
- Dual accelerometer channels:
- Low-g: ±2/±4/±8/±16 g
- High-g: ±32/±64/±80 g
- Gyroscope: ±250 to ±4,000 dps
- Compact 2.5 x 3 x 0.83 mm LGA package
- Power-efficient: as low as 0.67 mA in six-axis mode
- Smart FIFO (up to 4.5 KB), MIPI I3C, SPI/I²C interfaces
- Adaptive self-configuration (ASC)
- Integrated Machine Learning Core (MLC) and Finite State Machine (FSM)
AI-Enhanced Motion Sensing
Built-in intelligence, including a machine learning core and finite state machine, allows the LSM6DSV80X to recognize usage patterns and dynamically reconfigure itself for optimal operation. This edge AI capability reduces reliance on external processors and firmware updates, leading to faster development cycles and more efficient designs.
The adaptive self-configuration (ASC) technology automatically adjusts the chip’s performance based on current activity, making it ideal for unpredictable, high-dynamic environments like sports training, extreme fitness, and impact monitoring.
Designed for Ultra-Compact Wearables
Despite its rich feature set, the LSM6DSV80X comes in an ultra-compact package, making it perfect for tight integration into wearables like smart shoes, gloves, and fitness trackers. Its ultra-low power consumption ensures long battery life, even in continuous monitoring modes.
Whether it’s subtle gesture tracking or absorbing the impact of an 80 g shock, this sensor sets a new benchmark for motion intelligence in a tiny form factor.