Combining sensing for three axes in a single digital device, the IIS3DWBG1 wide-bandwidth vibration sensor from STMicroelectronics (Switzerland) simplifies design and can cut bill-of-material costs in industrial and automotive condition-monitoring applications.
The 3-axis IIS3DWBG1 is suitable for use in industrial condition-monitoring systems, where sensor placement and mounting govern measurement accuracy. Its dimensions and operating-temperature range from -40°C to 125°C enhance flexibility to place small, externally attached sensors at optimal diagnostic locations.
The compact footprint also facilitates integration inside smart motors and smart gearboxes, while the low power consumption helps designers ensure long-lasting operation in battery-powered applications.
The sensor captures patterns associated with defects or wear, as well as equipment setup issues such as looseness and misalignment, to assist with installation, maintenance, and repairs.
Additional features include:
- The ability to detect electromechanical vibrations in coils, transformers, snubber capacitors, busbars, connectors and in general vibrations originating in the power electronics module like traction inverter.
- The ability to extend remote diagnostics to cover power modules, as well as traction inverters of electric vehicles.
- The ability to monitor circuits and mechanisms in very harsh environments like in hybrid motors.
- Requires no calibration in the final application.
- Combines flat frequency response from DC to above 6kHz (-3dB point), and noise density of 75µg/√Hz in 3-axis mode.
- The ability to detect extremely small vibrations and provide enhanced early warning to prevent equipment failures.
- Resistance to mechanical shocks.
- Digital features, like onfigurable low-pass or high-pass filter with selectable cutoff frequency, an embedded FIFO, interrupts, a temperature sensor, and self-test capability.
- A 2.5 mm x 3 mm LGA-14L package.
For more information, visit https://www.st.com/mems-industrial.
