LSM6DSO32: always-on 3D accelerometer and 3D gyroscope Application note
■ This document is intended to provide usage information and application hints related to ST’s LSM6DSO32 iNEMO inertial module.
■ The LSM6DSO32 is a 3D digital accelerometer and 3D digital gyroscope system-in-package with a digital I²C, SPI and MIPI I3CSM serial interface standard output, performing at 0.55 mA in combo High-Performance mode. Thanks to the ultra-low noise performance of both the gyroscope and the accelerometer, the device combines always-on low-power features with superior sensing precision for an optimal motion experience for the consumer. Furthermore, the accelerometer features smart sleep-towake- up (Activity) and return-to-sleep (Inactivity) functions that allow advanced power saving.
■ The device has a dynamic user-selectable full-scale acceleration range of ±4/±8/±16/±32 g and an angular rate range of ±125/±250/±500/±1000/±2000 dps.
■ The LSM6DSO32 can be configured to generate interrupt signals by using hardware recognition of free-fall events, 6D orientation, tap and double-tap sensing, activity or inactivity, and wake-up events.
■ The availability of a dedicated connection mode to external sensors allows the implementation of the sensor hub functionality.
■ The LSM6DSO32 is compatible with the requirements of the leading OSs, offering real, virtual and batch-mode sensors. It has been designed to implement in hardware significant motion, relative tilt, pedometer functions, timestamp and provides an incredible level of customization: up to 16 embedded finite state machines can be programmed independently for motion detection or gesture recognition such as hard-fall, glance, absolute wrist tilt, shake, double-shake, or pick-up.
■ The LSM6DSO32 has an integrated smart first-in first-out (FIFO) buffer of up to 9 kbyte size, allowing dynamic batching of significant data (i.e. external sensors, step counter, timestamp and temperature).
■ The LSM6DSO32 is available in a small plastic land grid array package (LGA-14L) and it is guaranteed to operate over an extended temperature range from -40 °C to +85 °C.
■ The ultra-small size and weight of the SMD package make it an ideal choice for handheld portable applications such as smartphones, IoT connected devices, and wearables or any other application where reduced package size and weight are required.
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3D digital accelerometer and 3D digital gyroscope system-in-package |
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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12-Jun-2020 |
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Rev 1 |
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AN5473 |
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1.4 MB |
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