Overview

Features and Benefits

  • User configurable sensor range
    • ±120 g, ±240 g, and ±480 g
  • PSI5 communication protocol, V2.1 compliant
  • Asynchronous operation—PSI5-A10P-250[228]/1L
  • Synchronous operation—PSI5-P10P-500/3L and others
    • Daisy-chain operation with bidirectional communication
    • Backwards compliant with PSI5 V1.3
  • Selectable 10- or 16-bit sensor data 
  • High accuracy interpolation routine 
  • User-selectable, continuous auto-zero operation
  • Electromechanical sensor self-test
  • Qualified for automotive applications
  • See data sheet for additional features

Product Details

The ADXL151 is a g range configurable single axis integrated satellite sensor, compliant to the PSI5 V2.1 specification. The ADXL151 enables low cost solutions for front and side impact airbag satellite sensor applications. Acceleration data is sent to the control module via a digital 2-wire current loop interface bus.

The g range of the sensor is configurable to provide full-scale acceleration measurements of ±120 g, ±240 g, or ±480 g. Additionally, the device can be configured to transmit data from multiple g ranges during predefined time slots, in accordance with the PSI5 specification. The device transmits 10- or 16-bit acceleration data to the control module, and can be configured to include either a 1-bit parity check, or a 3-bit cyclic redundancy check (CRC). The ADXL151 has a unique electronic serial number.

The ADXL151 is available in a 12-lead, 4 mm × 4 mm LFCSP package. The device is specified to operate over the full automotive temperature range, from -40°C to +125°C.

Applications
  • Front impact crash sensing
  • Side impact crash sensing
A short-form datasheet for this product is available for download from this web page. For complete documentation and additional support, please contact your local Analog Devices sales office.

Product Lifecycle icon-recommended Recommended for New Designs

This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.