Six-axis inertial module combine robustness for industrial applications
Adding to STMicroelectronics’ family of low power MEMS sensors for industrial applications, the ISM330DLC six-axis inertial measurement unit (IMU) is said to combine high accuracy and robustness with long-term availability assured by ST’s 10-year longevity programme.
The ISM330DLC contains a three-axis accelerometer and a three-axis gyroscope with user-selectable full-scale up to ±16g and ±2000dps respectively. It provides high measurement resolution and energy-saving features for long-lasting battery-powered industrial devices. Target applications include industrial IoT systems, robots, drones, platform stabilisers, and telematics. The wide accelerometer bandwidth up to 3kHz also allows its use in vibration-monitoring and compensation systems.
The ISM330DLC consumes just 0.5mA in normal combination mode and 0.75mA in high-performance mode. A large integrated FIFO that lets the host system retrieve data efficiently, and saves energy with tilt detection, free-fall, wakeup, 6D/4D orientation, click, and double-click features. There is also a sensor-hub feature for collecting data from additional external sensors.
Integrated industrial-grade design features include a dedicated configurable low-latency signal-processing path, low noise, and filtering optimised to ensure closed-loop control stability. The signal path can be independently configured to make gyroscope or accelerometer data available through an auxiliary SPI.
The ISM330DLC also contains a temperature sensor and built-in self-test both for the gyroscope and accelerometer.
The ISM330DLC is in production now, as a 2.5 x 3.0 x 0.83mm plastic land-grid array (LGA) system-in-package.
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