STMicroelectronics ISM6HG256X
ISM6HG256X - Intelligent IMU (inertial measurement unit) with simultaneous low-g and high-g acceleration detection
The ISM6HG256X is a high-end, low-noise, low-power 6-axis IMU, featuring a 3-axis digital low-g accelerometer at 16 g, a 3-axis digital high-g accelerometer at 256 g, and a 3-axis digital gyroscope, which offers the best IMU sensor with a quad-channel architecture for processing acceleration and angular rate data on four separate channels (user interface, OIS, EIS, and high-g accelerometer data) with dedicated configuration, processing, and filtering along with a dedicated high-g sensor for high-g shock.
The ISM6HG256X enables edge computing, leveraging embedded advanced dedicated features such as a finite state machine (FSM) for configurable motion tracking and a machine learning core (MLC) for context awareness with exportable AI features for IoT applications.
The device supports the adaptive self-configuration (ASC) feature, which allows automatically reconfiguring the device in real time based on the detection of a specific motion pattern or based on the output of a specific decision tree configured in the MLC, without any intervention from the host processor.
The ISM6HG256X embeds a dedicated accelerometer sensor with an independent channel and filtering for high-g acceleration detection that perfectly matches shock requirements for asset tracking, robotics & factory automation, condition monitoring, and worker PPE (personal protective equipment).
Benefits
- Dual 3-axis accelerometer channels
- Low-g channel ±2/±4/±8/±16 g full scale
- High-g channel ±32/±64/±128/±256 g full scale
- 3-axis gyroscope with extended selectable full scale
- ±250/±500/±1000/±2000/±4000 dps full scale
- Programmable finite state machine for accelerometer (low-g & high-g), gyroscope, and external sensor data processing with high rate @ 960 Hz
- Machine learning core with exportable features and filters for AI applications
- Embedded adaptive self-configuration (ASC)
- Embedded sensor fusion low-power (SFLP) algorithm
- Smart FIFO up to 4.5 KB
- "Smart, always-aware" experience for system power optimization
- Supply current
- 6-axis configuration @ 0.67 mA in combo high-performance mode
- 6-axis configuration with dual accelerometer full scale @ 0.80 mA in combo high-performance mode
- SPI / I²C & MIPI I3C® v1.1 serial interface with main processor data synchronization
- Auxiliary SPI & MIPI I3C® v1.1 for OIS data output for gyroscope and accelerometer
- Smart digital features: advanced pedometer, step detector, step counter, significant motion detection, tilt detection
- Standard interrupts: high-g wake-up and high-g shock, free-fall, wake-up, 6D/4D orientation, click and double click
- Embedded temperature sensor
- Analog supply voltage: 1.71 V to 3.6 V
- Independent I/O supply (extended range: 1.08 V to 3.6 V)
- Compact footprint: 2.5 mm x 3 mm x 0.83 mm
- ECOPACK and RoHS compliant
Applications
- Condition monitoring
- Asset tracking
- Robotics
- Factory automation
- Safety helmets / hard hats
- Black boxes
Tools
STEVAL-MKI248KA
ISM6HG256X evaluation kit, based on an intelligent IMU with simultaneous low g and high g acceleration detection
STEVAL-MKI248KA is an adapter kit designed to facilitate the evaluation of the ISM6HG256X 6-axis inertial measurement unit (IMU).
The kit is composed by a generic DIL24 adapter board (STEVAL-MKIGIBV5), a flat cable, and a square PCB mounting the ISM6HG256X 6-axis IMU. This square PCB ensures that the sensor board put on the system is measured.
X-NUCLEO-IKS5A1
STM32 Nucleo motion and environmental MEMS expansion board for industrial applications
The X-NUCLEO-IKS5A1 is an industrial motion MEMS and environmental sensor evaluation board kit composed by:
- X-NUCLEO-IND5A1: the main board, it hosts the motion MEMS and environmental sensors.
- STEVAL-MKGI07A: a detachable add-on board, which hosts two industrial connectors.
The X-NUCLEO-IKS5A1 expansion board allows application development with features like FSM, MLC, ISPU, and sensor hub (with ISM330IS and ISM6HG256X onboard).
There is also the possibility to use external sensors, which can be connected through:
- DIL24 adapter boards.
- Ribbon flat cable.
- Flex PCB connection.
MEMS-Studio
Software solution for MEMS sensors with graphical no-code design of algorithms and development of embedded AI features
MEMS-Studio is a complete desktop software solution designed to develop embedded AI features, evaluate embedded libraries, analyze data, and design no-code algorithms for the entire portfolio of MEMS sensors. This unique software solution offers a versatile development environment, enabling the evaluation and programming of all MEMS sensors, and launches a new generation of solutions to expand the functions of the well-established applications Unico-GUI, Unicleo-GUI, and AlgoBuilder.
MEMS-Studio facilitates the process of implementing proof of concept using a graphical interface without writing code for STM32 microcontrollers. This solution allows configuring sensors and embedded AI (machine learning and neural networks), leveraging on a machine learning core (MLC), neural networks for the ISPU, and finite state machines (FSM). It reuses embedded software libraries, combines multiple functionalities in a single project, and visualizes data in real time using plot and display.
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