The BMI088 is a high-performance Inertial Measurement Unit (IMU) launched by Bosch.

Performance Parameters

Accelerometer

• 16-bit digital resolution
• Configurable measurement range: ±3g, ±6g, ±12g, ±24g
• Corresponding sensitivity: 10920 LSB/g, 5460 LSB/g, 2730 LSB/g, 1365 LSB/g respectively
• Zero offset: ±20 mg
• Temperature Coefficient (TCO): ±0.2 mg/K
• Noise density: 175 μg/√Hz
• Programmable bandwidth range: 5 Hz to 523 Hz

Gyroscope

• 16-bit digital resolution as well
• Measurement range: ±125°/s, ±250°/s, ±500°/s, ±1000°/s, ±2000°/s
• Corresponding sensitivity: 262.144 LSB/°/s, 131.072 LSB/°/s, 65.536 LSB/°/s, 32.768 LSB/°/s, 16.384 LSB/°/s respectively
• Zero offset: ±1°/s
• TCO: ±0.015°/s/K
• Noise density: 0.014°/s/√Hz

Other Parameters

• Supports SPI and I²C digital interfaces, with 4 digital interrupts
• Supply voltage (VDD): 2.4 V to 3.6 V
• I/O supply voltage (VDDIO): 1.2 V to 3.6 V
• Operating temperature range: -40°C to +85°C
• Current consumption during full operation: 5.15 mA
• Package type: LGA
• Dimensions: 3×4.5×0.95 mm³

Features and Advantages

High-Precision Measurement

Both the accelerometer and gyroscope deliver high measurement accuracy, capable of providing precise acceleration and angular velocity data across diverse application scenarios. It is ideal for high-precision requirements, such as drone flight control and motion tracking in virtual reality (VR) devices.

Low Noise Level

The low-noise characteristic helps improve the quality of measured data, reduces noise interference on actual signals, ensures stable and reliable output data, and lays an accurate foundation for subsequent data analysis and processing.

Fast Response Time

It can capture the motion changes of equipment in real time. In applications requiring instant feedback—such as robot motion control and game controller motion sensing—it ensures the system can quickly detect and process equipment movements.

Low-Power Design

For applications with strict power consumption requirements, such as wearable devices and portable smart gadgets, the BMI088 maintains high-precision measurement while minimizing power consumption, thereby extending the battery life of the device.

Vibration Resistance and Temperature Stability

It features excellent vibration resistance, enabling it to adapt to environments with moderate mechanical vibration. In addition, it boasts superior temperature stability, maintaining consistent performance over a wide temperature range.

Application Fields

Consumer Electronics

Widely used in augmented reality (AR) and virtual reality (VR) functions of smartphones and tablets, as well as step counting and activity recognition in fitness trackers and wearable devices.

Smart Home

Applicable to interactive functions like gesture recognition and remote control.

Professional-Grade Market

It plays an important role in fields such as robot navigation, attitude estimation of autonomous vehicles, and vibration monitoring of industrial automation equipment.

Limitations

Relatively High Cost

Owing to its high precision and performance, the BMI088 comes with a relatively high cost, which to some extent restricts its widespread adoption in cost-sensitive applications.

Complex Calibration Process

To fully leverage its high-precision performance, a complex calibration process is required, which demands specialized equipment and technical expertise. This may pose challenges for small enterprises or individual developers.

Comparison with Similar Products

Compared with Bosch’s BMI272, the BMI088 offers a wider measurement range: the accelerometer ranges from 3g to 24g, and the gyroscope ranges from ±125°/s to 2000°/s. However, it consumes more power, with a maximum operating current of 5.15 mA.