SKU: SENS-1079
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Bosch BMA222 3-Axis Digital Accelerometer, I²C/SPI, ±2/4/8g, Ultra-Low Power MEMS Sensor

₹95.00 (Inclusive of all taxes)
Out of Stock

The Bosch BMA222 is a 3-axis digital MEMS accelerometer offering selectable full-scale ranges of ±2g, ±4g, and ±8g. It communicates via I²C or SPI interfaces, making it compatible with a wide range of microcontrollers like Arduino, Raspberry Pi, ESP32, and STM32 for motion sensing and orientation detection in portable electronics.

Features

  • 3-axis digital accelerometer with selectable ±2g, ±4g, and ±8g measurement ranges.
  • Dual communication interface support for both I²C and SPI protocols.
  • Ultra-low power consumption optimized for battery-powered portable devices.
  • Compact LGA surface-mount package suitable for space-constrained PCB designs.
  • Integrated motion functions including orientation detection and motion-triggered interrupts.

Out of stock

Description

The Bosch BMA222 is a high-performance MEMS accelerometer designed for precise motion and orientation sensing in modern electronic systems. Its capacitive sensing principle provides stable digital acceleration data across three axes, enabling accurate tracking of tilt, vibration, and movement.

Operating from a VDDIO supply voltage of 1.2V to 3.6V, it is engineered for seamless integration with low-voltage microcontrollers and embedded platforms. The sensor’s robust digital signal conditioning ensures reliable performance in applications ranging from consumer wearables to industrial robotics.

Key Features

  • Tri-Axis Digital Acceleration: Provides high-resolution, calibrated digital output for X, Y, and Z axes.
  • Configurable Full-Scale Range: User-selectable sensitivity settings (±2g, ±4g, ±8g) for application-specific dynamic range.
  • Flexible Digital Interface: Supports both I²C (up to 400 kHz) and SPI (3-wire and 4-wire) communication for versatile system integration.
  • Ultra-Low Power Architecture: Engineered for minimal current draw, extending battery life in portable and IoT devices.
  • Integrated Intelligence: Features built-in orientation detection, tap sensing, and programmable motion-triggered interrupt outputs.
  • Compact LGA Package: Small-footprint surface-mount design (e.g., 2x2 mm) enables high-density PCB layouts.
  • Wide Operating Voltage: Compatible with 1.2V to 3.6V logic levels, supporting modern low-power MCUs.
  • High-Value Build: Durable MEMS construction delivers reliable, long-term performance in demanding environments.

Applications

  • Wearable device step counting, activity tracking, and gesture recognition.
  • IoT sensor nodes for vibration monitoring and device orientation in smart home systems.
  • Robotics for tilt sensing, impact detection, and motion control feedback.
  • Mobile electronics for screen rotation, gaming controller input, and free-fall detection.
  • Industrial equipment for vibration analysis and condition monitoring.

Technical Specifications

BrandBosch Sensortec
Manufacturer Part NumberBMA222
Sensor Type3-Axis Digital Accelerometer
Measurement Range±2g / ±4g / ±8g (Selectable)
Output TypeDigital (I²C/SPI)
Communication InterfaceI²C, SPI
Supply Voltage (VDDIO)1.2V to 3.6V
TechnologyMEMS
Power ConsumptionUltra-Low Power Operation
Mounting TypeSurface Mount (SMD)
Package TypeLGA Package
Motion DetectionYes
Orientation SensingSupported
Motion Interrupt SupportYes

Frequently Asked Questions

What is the operating voltage range for the Bosch BMA222 accelerometer?

The BMA222 operates with a VDDIO supply voltage ranging from 1.2V to 3.6V. This makes it directly compatible with most modern low-voltage microcontrollers, including 3.3V systems like ESP32 and many STM32 variants, without requiring level shifting.

How do I communicate with the BMA222 sensor?

The BMA222 supports both I²C and SPI digital communication protocols. You can select the interface via hardware configuration. The I²C address is typically configurable, and the SPI interface supports both 3-wire and 4-wire modes, offering flexibility for integration with Arduino, Raspberry Pi, or other embedded platforms.

Can I change the measurement range of the BMA222?

Yes, the full-scale measurement range is software configurable. You can select between ±2g, ±4g, and ±8g via the sensor's internal registers. This allows you to optimize the sensitivity and dynamic range for your specific application, whether it's detecting subtle tilts or high-g impacts.

What are the key features for low-power applications?

The BMA222 is designed for ultra-low power consumption, featuring multiple low-power modes and configurable data output rates. It includes motion-triggered interrupts that can wake a host microcontroller from sleep, making it ideal for battery-powered wearables and IoT devices that require long operational life.

Package Includes

  • 1 x Bosch BMA222 3-Axis Digital Accelerometer

Additional Information

Weight 0.005 kg
Dimensions 2 × 2 cm