BMA222 Sensors, Transducers

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Accelerometers are motion sensors that measure physical phenomenon related to acceleration, such as vibration, shock or tilt. The BMA222 is one of the best-selling application processors in the market and has become the standard for accelerometers due to its variety of applications and advantages.

The BMA222 is a three-axis, low-g, digital accelerometer that features excellent stability, a low-power mode, a programmable interrupt, and a wide operating temperature range. The accelerometer offers a wide range of features and functions, including a low-power mode for improved power efficiency and a programmable interrupt for reduced power consumption. The accelerometer also includes temperature compensation technology and intelligent motion detection that helps reduce false alarms.

The BMA222 features a 12-bit resolution for superior accuracy and an ambient temperature sensing range between -40 °C – +85 °C. It has a maximum bandwidth of 3kHz for an impressive sampling rate. The BMA222 also features a threshold detection mode for improved performance in low-g environments.

The working principle behind the BMA222 is based on capacitive sensing. The sensor consists of a MEMS (microelectromechanical system) structure, consisting of a central mass, suspended by four pairs of arms with supporting electrodes, connected to the package terminals. A voltage is applied to the central mass, which is measured as the displacement of the mass caused by the application of acceleration. This acceleration is detected by measuring the capacitance between the central mass and the supporting electrodes. The capacitance is proportional to the acceleration applied to the sensor.

The BMA222 is widely used in consumer and industrial applications, such as automotive, industrial, consumer electronics, and security systems. It is also used in motion-based applications such as motion control, location tracking, gaming controllers, navigation systems, and robotics. In addition, the BMA222 is used in medical monitoring and medical equipment, as well as in various sensory applications.

The BMA222 is an effective and versatile accelerometer solution for a variety of applications. Its features include a low-g mode, a programmable interrupt, a wide operating temperature range, and temperature compensation technology. In addition, its capabilities make it an ideal solution for motion-based applications.

The specific data is subject to PDF, and the above content is for reference