Accelerometer, Gyroscope, 6 Axis Sensor I2C, I3C, SPI Output

The BMI323 is a low-power, high-performance inertial measurement unit developed by Bosch Sensortec. It integrates a three-axis accelerometer and a three-axis gyroscope within a compact surface-mount package intended for motion sensing applications requiring precise movement detection, orientation tracking, vibration monitoring, and activity recognition. The device is optimized for wearable electronics, industrial sensing, robotics, navigation systems, IoT devices, and consumer electronics where low power consumption and high motion accuracy are critical.

The sensor includes advanced digital signal processing, configurable motion-detection features, programmable interrupts, and integrated FIFO buffering to reduce host processor workload and improve system efficiency. Communication is supported through standard digital interfaces, enabling straightforward integration with microcontrollers and embedded platforms.

The BMI323 is designed for robust environmental performance and supports flexible power management modes suitable for battery-operated systems.

Engineering Specifications Device Type

Six-axis inertial measurement unit consisting of:

Three-axis accelerometer Three-axis gyroscope Manufacturer

Bosch Sensortec

Package

Compact LGA surface-mount package suitable for automated assembly processes.

Accelerometer Characteristics

Supports multiple selectable full-scale measurement ranges for motion and acceleration sensing applications. Provides high-resolution digital output with configurable filtering and sampling parameters for low-noise operation and accurate motion analysis.

Gyroscope Characteristics

Integrated three-axis angular rate sensor with programmable measurement ranges and digital filtering capabilities. Designed for rotational movement tracking, stabilization, gesture recognition, and inertial navigation applications.

Digital Interfaces

Supports:

I²C serial communication SPI serial communication I3C compatible operation Power Features

Designed for ultra-low power operation with multiple configurable power modes to optimize energy consumption for portable and battery-powered devices.

Embedded Features

Includes integrated:

FIFO data buffering Motion detection engine Activity and inactivity detection Tap and gesture detection Orientation and tilt sensing Interrupt generation Self-test functionality Output Data Handling

Provides configurable output data rates, oversampling settings, and digital filtering options for balancing performance, bandwidth, and power consumption.

Temperature Performance

Integrated temperature sensing and compensation support for improved measurement stability across varying environmental conditions.

Interrupt System

Programmable interrupt outputs support event-driven system architectures and allow efficient host wake-up functionality.

Operating Environment

Designed for operation across industrial and consumer temperature ranges with stable sensor performance under dynamic motion conditions.

Applications

Suitable for:

Wearable devices Smart watches Fitness trackers Industrial motion monitoring Robotics Drones Navigation systems Gaming controllers AR/VR systems IoT motion sensing Human-machine interfaces

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