Tronics Microsystems, a TDK Group Company, is a provider of inertial MEMS (Micro-Electro-Mechanical-System) sensors solutions for precise motion sensing, positioning, navigation and condition monitoring of critical assets.
We are the market’s only supplier of high-performance closed-loop MEMS accelerometers and gyros. Our sensors are low-SWaP and digital alternative to tactical-grade quartz accelerometers and FOG for IMU and INS used in UAV and UGV operating in high dynamics and challenging environments.
Discover our high performance MEMS inertial sensors for demanding applications
Avionics & Advanced Air Mobility
High performance MEMS inertial sensors for VTOL and aerospace applications
Mining, Oil & Gas
Miniature, digital and highly stable accelerometers and gyros for energy and mining applications
Marine & Subsea
MEMS inertial sensors with high stability and repeatability for ships guidance and navigation
Land & Railway
MEMS sensors for train localization, acceleration measurement, and infrastructure monitoring
MEMS Gyroscopes
GYPRO4300 MEMS Gyros
High stability ±300 °/s angular rate sensor for railway, drones and autonomous vehicles
The GYPRO4300, a closed-loop MEMS gyroscope, provides angular rate measurement with low noise, low latency and high linearity. Designed as a digital and miniature alternative to expensive and bulky FOG, GYPRO4300 offers high bias stability and low angular random walk.
Our miniature digital gyro is housed in a hermetically sealed SMD package and provides a 24-bit SPI interface for easy integration and reduced bills of materials compared to analog sensors.
The design is built around fully hard-coded electronics with no embedded software and features built-in temperature compensation and self-test.
GYPRO4300 is factory calibrated to provide a high-accuracy digital output over a broad temperature range.
GYPRO4300 is non-classified under dual-use export control.
GYPRO4300 is ideal for a wide range of unmanned systems applications, including:
- GNSS-aided positioning and navigation of trains and land vehicles
- Antenna and gimbal stabilization
- IMU, INS and AHRS for drones and autonomous vehicles
| GYPRO 4300 | |
| Size (mm) | 12 x 12 x 5.5 |
| Weight | 2g |
| Input Range | ±300 °/s |
| Bandwidth | >200 Hz |
| Data Rate | 1800 Hz |
| Latency | <1 ms |
| Bias Repeatability | 10°/h |
| Bias Instability (Allan variance) | 0.4°/h |
| Angular Random Walk | 0.07°/√hr |
MEMS Accelerometers
AXO315 MEMS Accelerometer
14 g MEMS accelerometer with high bias stability & repeatability for avionics and Advanced Air Mobility
AXO315 is a digital high-performance closed-loop MEMS accelerometer designed as a low-SWaP alternative and performance-equivalent to quartz accelerometers. Featuring an excellent linearity and vibration rectification, AXO315 delivers best-in-class bias and scale factor repeatability under high vibrations over an extended temperature range up to 105 °C.
Enclosed in a hermetically-sealed SMD ceramic package, it provides a 24-bit SPI interface for easy integration and reduced bill of materials in PCB design.
AXO315 is designed with fully hard-coded electronics and no embedded software and features built-in temperature compensation and self-test.
It shares the same interface as GYPRO4300 high performance gyro, making them complementary and easy to integrate in IMU and INS.
AXO315 is ideal for avionics and Advanced Air Mobility applications, including:
- AHRS for VTOL, eVTOL, helicopters and small aircrafts
- GNSS-assisted positioning and navigation of aerial vehicles
- Flight control
More information: AXO315 MEMS Accelerometer
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AXO314 MEMS Accelerometer
High-dynamics 14 g digital accelerometer for survey and mapping applications
Leveraging our unique closed-loop architecture introduced with AXO315, AXO®314 provides excellent repeatability and vibration rejection for applications operating in industrial temperature ranges. It is a perfect candidate for integration into IMU and INS used in aerial, land, and marine survey and mapping:
- GNSS-assisted navigation and positioning of AUV and UGV
- Track Geometry Measurement Systems
- Mining survey instruments
More information: AXO314 MEMS Accelerometer
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AXO301 MEMS Accelerometer
High-resolution 1 g accelerometer and inclinometer for industrial and railway applications
The AXO®301 is a high-resolution single axis closed-loop MEMS accelerometer designed to provide acceleration and deceleration measurements for high-vibration applications such as UGV, robotics and trains.
Providing a performance-equivalent and cost-effective alternative to quartz inclinometers, AXO301 is enclosed in a hermetic SMD package, making it ideal for form factor constrained applications:
- Static inclinometers
- Acceleration and deceleration measurement
- Train inclination measurement
- Motion control in robotics applications and construction machinery
Featuring a 24-bit digital SPI interface, the AXO301 is easily integrated into high-performance IMU and INS. Its built-in self-test ensures initial verification of the sensor’s integrity and continuous in-operation functionality.
More information: AXO301 MEMS Accelerometer
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AXO305 MEMS Accelerometer
Digital 5 g MEMS accelerometer for motion control and positioning of land, sea, and subsea systems
AXO®305 is a high-performance single-axis closed-loop digital MEMS accelerometer with a ± 5g input range. Featuring an excellent 1-year composite bias repeatability of 1mg, it is ideal for integration into IMU, INS and MRU for high-precision motion control and positioning of terrestrial, marine and subsea vehicles:
- GNSS-assisted navigation of manned and unmanned ground vehicles and trains
- Ship motion control and dynamic positioning
- Motion control of underwater vehicles
- Positioning of AUV, ROV, USV
The low-SWaP accelerometer is highly suited as a replacement for bulky and expensive quartz accelerometers, featuring a 24-bit digital SPI interface for ease of integration and reduction in BOM components.
The hermetically sealed unit also includes a built-in self-test capability that provides initial verification of the sensor’s integrity and continuous in-operation functionality.
More information: AXO305 MEMS Accelerometer
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AXO®315T0 MEMS Accelerometer
Digital 14 g MEMS accelerometer for high-temperature energy applications
AXO®315T0 is a single-axis closed-loop MEMS accelerometer with a ±14 g range and 24-bit digital SPI output, engineered for MWD/LWD applications in oil and gas. Rated to +150 °C, it delivers 0.8 mg composite bias repeatability and 20 µg/g² VRE for stable operation in harsh environments.
With low bias drift, high shock resistance, and continuous self-test, AXO®315T0 offers a compact, cost-effective alternative to quartz sensors for extreme energy sector deployments.
Its hermetic ceramic SMD package ensures long-term reliability in high-temperature, high-vibration environments, while 150 Hz bandwidth and 2 ms latency enable accurate real-time inclination and motion sensing.
More information: AXO®315T0 MEMS Accelerometer
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Product comparison:
| AXO315 | AXO314 | AXO301 | AXO305 | AXO315T0 | |
| Size | 12 x 12 x 5.5 mm | 12 x 12 x 5.4 mm | 12 x 12 x 5.5 mm | 12 x 12 x 5.5 mm | 12 × 12 × 5.5 mm |
| Weight | 1.4 g | 1.5 g | 1.4 g | 1.4 g | – |
| Full-Scale Acceleration Range | ± 14g | ± 14g | ± 1g | ± 5g | ±14 g |
| Bandwidth | >300 Hz | >300 Hz | >15 Hz | 120 Hz | 150 Hz |
| 1 Year Composite Bias Repeatability | 1 mg | 1 mg | 1 mg | 1 mg | – |
| 1 Year Composite Scale Factor Repeatability | 600ppm | 600ppm | 1000ppm | 1000ppm | – |
| Bias Instability (Allan variance) | 4 μg | 4 μg | 3 μg | 3 μg | 3 μg |
| Velocity Random Walk (Allan variance) | 0.006 m/s/√hr | 0.006 m/s/√hr | 0.005 m/s/√hr | 0.005 m/s/√hr | 0.003 m/s/√h |
| Noise Density | 15 μg/√Hz | 15 μg/√Hz | 9 μg/√Hz | 10 μg/√Hz | 10 μg/√Hz |
| Vibration Rectification Error | 20µg/g² | 20µg/g² | 20µg/g² | 20µg/g² | 20µg/g² |
| Broadband resolution | 328 µg | 328 µg | 50 µg | 100 µg | – |
