PSI5 Automotive Safety Digital Accelerometer

Roll over image to zoom in

Block Diagram

Choose a diagram:

FXSL9x Single Axis internal Block Diagram

FXSL9x Single Axis internal Block Diagram

FXLS93 PSI5 Application Diagram

FXLS93 PSI5 Application Diagram



  • 180 nm CMOS
  • Maximum operating voltage: -0.3 V - 20 V
  • Digital signal processing
  • PSI5 V2.1 Compatible, AKLV27 Compatible, Airbag Substandard
  • HVST, IDDQ, analog IDDQ, scan, logic BIST


  • 4 mm x 4 mm x 1.45 mm 16-pin QFN package
  • Inspectable solder joints / wettable flanks

Automotive Qualified

  • AEC-Q100, temperature range from –40 ℃ to +125 ℃
  • ISO26262 revision 2018 certified
  • Robust design: EMC compliant, QFN package

High Performance Configurable DSP:

  • Single or dual, independent signal chains from ADC to communications interface
  • Up to a 4th order low pass filter with rolloff frequency options from 12.5 Hz to 1500 Hz
  • Optional single pole high pass filter with fast start up and output rate limiting
  • Optional moving average
  • Optional 16 to 1 output interpolation
  • Sampling rate: 16,32,64 us

Full Scale Range

  • Medium g ranges from ± 15.5 g to ± 150 g
  • High g ranges from ± 50 g to ± 500 g


  • Up to 16 bit

Communication Interface

  • PSI5 Version 2.1 Compatible

Configurable Pin

  • Arming functions based on threshold detection
  • Pulse code modulated signal output (PCM)


  • Bidirectional Self-Test Diagnostic

Part numbers include: FXLS93333AES, FXLS93433AES, FXLS93733AES, FXLS93230AES, FXLS93630AES, FXLS93130AES, FXLS93322AES, FXLS93422AES, FXLS93722AES, FXLS93220AES, FXLS93620AES, FXLS93120AES.


Quick reference to our documentation types.

4 documents


Quick reference to our board types.

2 hardware offerings

Engineering Services

1 engineering service

To find additional partner offerings that support this product, visit our Partner Marketplace.


What do you need help with?