Original ST LSM6DSK320XTR, Vibration-Enhanced 6-Axis AI IMU

LSM6DSK320XTR Full English Datasheet Introduction

Brand: STMicroelectronicsFull Part Number: LSM6DSK320XTR

• K = Vibration-enhanced version. Compared with standard LSM6DSV320X, its gyro mechanical structure is optimized to deliver zero drift under severe vibration.

• 320 = Supports impact detection up to ±320 g.

• TR = Tape & Reel SMD packaging.

Device Type: High-end 6-Axis AI IMU (Inertial Measurement Unit)Single-chip integration: 3-axis low-g accelerometer + 3-axis high-g accelerometer + 3-axis gyroscope. It adopts a proprietary dual-accelerometer architecture unique to the industry.

1. Core Electrical Specifications

1.1 Sensing Ranges

1. Low-g Accelerometer (Attitude, Step Counting, Tilt Sensing): ±2 / ±4 / ±8 / ±16 g

2. High-g Impact Accelerometer (Crash, Drop, Collision Detection): ±32 / ±64 / ±128 / ±256 / ±320 g

3. 3-Axis Gyroscope (Angular Velocity, Image Stabilization, Attitude Tracking): ±250 / ±500 / ±1000 / ±2000 / ±4000 dps

1.2 Package & Dimensions

Package: LGA-14LDimensions: 2.5 × 3.0 × 0.83 mm, ultra-thin compact SMD form factor

1.3 Electrical & Environmental Characteristics

• Supply Voltage: 1.71 V ~ 3.6 V

• Operating Temperature: -40 ℃ ~ +85 ℃ (Consumer & industrial grade, non-automotive qualified)

• FIFO Buffer: Large 4.5 KB FIFO reduces MCU read frequency

• Communication Interfaces: I²C, SPI, MIPI I3C v1.1; Auxiliary SPI for independent OIS stabilization data output

1.4 On-Chip Computing Engines (Key Selling Points)

• MLC Machine Learning Core: On-chip AI locally detects falls, impacts and motion postures to reduce host MCU computing load.

• FSM Finite State Machine: Programmable auto-wakeup, sleep mode and motion-triggered interrupts.

• SFLP Low-Power Sensor Fusion: On-chip fusion of accelerometer and gyro data to directly output tilt angle and heading information.

• ASC Adaptive Self-Configuration: Automatically switches precision/power modes based on vibration intensity for power saving.

• Four independent hardware channels with parallel conflict-free data output:UI user attitude channel, OIS optical image stabilization, EIS electronic image stabilization, dedicated channel for 320g high-impact signals.

1.5 Exclusive Advantages of K Version

Equipped with a brand-new differential gyro architecture, it offers vastly superior anti-vibration performance versus standard LSM6DSV320X. It maintains stable, drift-free data under high-speed and heavy-vibration operating conditions, making it the top choice for drones, gimbals and sports equipment.

2. Application Scope (Industries & End Products)

2.1 Aerial Drones / Handheld Gimbals (Core Application)

Flight controller attitude calculation, EIS electronic stabilizationReliable sensing during high-speed flight and windy vibration conditionsCrash impact logging and fault traceability

2.2 Action Imaging Devices

Dual OIS/EIS stabilization for action cameras and handheld camcorders to avoid blurring during intense movement; drop impact recording

2.3 Smart Wearables & Protective Gear

1. Smart watches & bands: Step counting, tilt detection, fall alarm

2. Cycling helmets, protective pads, boxing guards: ±320g impact monitoring, concussion impact severity measurement

2.4 Industrial Equipment Monitoring

Drop detection for industrial control devices, mechanical equipment impact health monitoring, attitude capture for portable testing instruments

2.5 Consumer Electronics & VR/AR Devices

Image stabilization for flagship smartphones, attitude tracking for VR controllers, motion recognition for portable IoT devices