Overview
The LSM9DS1TR by STMicroelectronics is a 9-axis iNEMO inertial module (IMU) that integrates a 3D magnetometer, a 3D accelerometer, and a 3D gyroscope. This system-in-package provides detailed and accurate tracking of position, velocity, and orientation, making it versatile for various motion sensing applications. The module is equipped with both I²C and SPI interfaces, ensuring easy integration into a wide range of electronic systems. It operates within a supply voltage range of 1.9V to 3.6V and is packaged in a compact LGA-24 format, measuring 3.5 x 3 mm with a height of 1 mm, ideal for space-constrained applications.
Key Specifications
| Parameter | Description | Value | Unit |
|---|---|---|---|
| Type | Accelerometer/Gyroscope/Magnetometer | - | - |
| Output Type | Digital | - | - |
| Supply Voltage | Analog supply voltage | 1.9V to 3.6V | V |
| Supply Current | Current consumption of the gyroscope in normal mode | 4mA | mA |
| Temperature Range | Operating temperature range | -40°C to +85°C | °C |
| Linear Acceleration Full Scale | ±2g/±4g/±8g/±16g | - | g |
| Magnetic Field Full Scale | ±4/±8/±12/±16 gauss | - | gauss |
| Angular Rate Full Scale | ±245/±500/±2000 dps | - | dps |
| Data Output | 16-bit data output | - | - |
| Interfaces | SPI / I²C serial interfaces | - | - |
| Package | Plastic land grid array (LGA-24) | - | - |
| Mounting Method | Surface Mount | - | - |
Key Features
- 3 acceleration channels, 3 angular rate channels, and 3 magnetic field channels
- Linear acceleration full scale of ±2g/±4g/±8g/±16g
- Magnetic field full scale of ±4/±8/±12/±16 gauss
- Angular rate full scale of ±245/±500/±2000 dps
- 16-bit data output
- SPI and I²C serial interfaces supporting standard and fast modes (100 kHz and 400 kHz)
- Analog supply voltage range of 1.9V to 3.6V
- “Always-on” eco power mode down to 1.9 mA
- Programmable interrupt generators
- Embedded temperature sensor and FIFO
- Position and motion detection functions, including click/double-click recognition
- Intelligent power saving for handheld devices
- ECOPACK®, RoHS, and “Green” compliant
Applications
- Indoor navigation
- Smart user interfaces
- Advanced gesture recognition
- Gaming and virtual reality input devices
- Display/map orientation and browsing
- Education and research: teaching principles of physics, motion tracking in robotics and human motion studies
- Industrial automation: precise control of machinery or vehicles, navigation systems for autonomous robots
- Aerospace and defense: navigation and stability control in UAVs, instrumentation in satellite technology
- Agriculture technology: various precision agriculture applications
Q & A
- What is the LSM9DS1TR?
The LSM9DS1TR is a 9-axis iNEMO inertial module (IMU) by STMicroelectronics, integrating a 3D magnetometer, a 3D accelerometer, and a 3D gyroscope.
- What are the key interfaces of the LSM9DS1TR?
The LSM9DS1TR features SPI and I²C serial interfaces supporting standard and fast modes (100 kHz and 400 kHz).
- What is the operating temperature range of the LSM9DS1TR?
The LSM9DS1TR operates over an extended temperature range from -40°C to +85°C.
- What are the full scale ranges for the sensors in the LSM9DS1TR?
The linear acceleration full scale is ±2g/±4g/±8g/±16g, the magnetic field full scale is ±4/±8/±12/±16 gauss, and the angular rate full scale is ±245/±500/±2000 dps.
- What power modes are available for the LSM9DS1TR?
The LSM9DS1TR has an “always-on” eco power mode down to 1.9 mA and allows separate power-down modes for the accelerometer and gyroscope.
- Is the LSM9DS1TR environmentally friendly?
Yes, the LSM9DS1TR is ECOPACK®, RoHS, and “Green” compliant.
- What are some common applications of the LSM9DS1TR?
Common applications include indoor navigation, smart user interfaces, advanced gesture recognition, gaming and virtual reality input devices, and more.
- How does the LSM9DS1TR support motion detection?
The LSM9DS1TR includes position and motion detection functions, as well as click/double-click recognition.
- What is the package type and size of the LSM9DS1TR?
The LSM9DS1TR is packaged in a plastic land grid array (LGA-24) measuring 3.5 x 3 mm with a height of 1 mm.
- Can the LSM9DS1TR be used in industrial automation?
Yes, the LSM9DS1TR can be used in industrial automation for precise control of machinery or vehicles and in navigation systems for autonomous robots.
