DSI3/SPI Automotive Safety Digital Accelerometer
Design Files
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PSI5 Automotive Safety Digital Accelerometer
The FXLS93 family is the latest generation of airbag crash sensors from NXP. The devices are designed using NXP proprietary UMEMS sensing technology combined together with a signal conditioning ASIC in a QFN 4 x 4 x 1.45 mm package.
The devices feature a user PSI5 interface. They can measure acceleration in single or dual independent axis configuration from +/-15.5 g to +/-500 g. The embedded DSP provides fully programmable digital high and low pass filtering.
The FXLS93 family is fully AEC-Q100 qualified up to 125°C operating temperature and is compliant with the AK LV 27 requirements. The package has wettable flanks for solder join inspection. FXLS93 products have been developed following ISO26262 2018 edition and can be used in up to ASIL D system.
For additional information and sample availability, contact your local sales office.
Product Details
Block Diagram
Choose a diagram:
Features
ASIC
- 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
Package
- 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
Resolution
- 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)
General
- Bidirectional Self-Test Diagnostic
Part numbers include: FXLS93333AES, FXLS93433AES, FXLS93733AES, FXLS93230AES, FXLS93630AES, FXLS93130AES, FXLS93322AES, FXLS93422AES, FXLS93722AES, FXLS93220AES, FXLS93620AES, FXLS93120AES.
Related products
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Design Resources
Hardware
Quick reference to our
board types.
2 hardware offerings
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Evaluation and Development BoardsEvaluation Tool for Automotive Sensors
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Evaluation and Development BoardsSocket Evaluation Board for FXLS9 and FXPS7 Sensors Families
Engineering Services
To get further assistance directly from NXP, please see our Engineering Services.
1 engineering service
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Independent Design House (IDH)
Elektrobit DLE Digital Life Experience
To find additional partner offerings that support this product, visit our Partner Marketplace.