By Alex Pluemer, contributing writer
STMicroelectronics recently announced the addition of a 6-axis inertial measurement unit (IMU) to its family of ultra-low-power MEMS sensors for industrial applications. The high-accuracy IMU provides high measurement resolution and smart energy-saving features for longer-lasting battery-powered industrial devices.
Featuring a 3-axis accelerometer with a selectable full scale of ±2/±4/±8/±16 g and a 3-axis gyroscope with a selectable full scale of ±125/±250/±500/±1,000/±2,000 dps, the ISM330DLC is suited for robots, drones, platform stabilizers, and industrial IoT systems.
The new IMU consumes 0.5 mA of current in normal condition mode and 0.75 mA in high-performance mode while featuring a large integrated FIFO (up to 4 kB) that allows for efficient data retrieval by the host system. Energy savings are further enabled by smart features and interrupts such as free-fall, wakeup, click and double-click, 6D/4D orientation, and tilt detection.
The ISM330DLC also provides developers with a sensor-hub feature to efficiently collect data from external sensors as well as a temperature sensor and self-test capability for both the gyroscope and accelerometer.
Other key industrial-grade features include filtering to ensure closed-loop control stability, a dedicated configurable low-latency signal-processing path, and low noise. The signal path can be configured to make gyroscope or accelerometer data accessible through an auxiliary SPI interface. The accelerometer provides bandwidth of up to 3 kHz, making the ISM330DLC a good fit for vibration-monitoring and compensation systems.
The ISM330DLC is available in a 2.5 × 3 × 0.83-mm plastic LGA system-in-package and is covered by STMicroelectronics’ 10-year longevity program. Pricing begins at $2.90 for orders of 1,000 pieces.
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