SMA790
Satellite sensor for airbag systems
Application & Technical Summary
The SMA790 is a single-channel, high-g accelerometer with PSI5 interface. The sensor is intended for airbag systems, providing front or side crash information.
Power and digital communication are handled via the same 2-wire connection.
Product benefits
- Complies with AK-LV 27 specification
- Robustness against microcuts
- Triggerable offset adjustment
- RoHS compliant
- Developed for systems with requirements up to ASIL D
Target application
- Satellite sensor in airbag systems
vast field experience
gained from hundreds of millions sensors is the fundament of the SMA7xy
Technical Features
Type
|
Single axis high-g acceleration sensor
|
Package
|
LGA SiP
|
Sensing axes
|
X
|
Range
|
±120/240/480
|
Interface
|
PSI5 (PAS)
|
Data resolution
|
10 bit or 14 bit
|
Sensitivity
|
2/1 LSB/g
|
Tolerance
|
±7 %
|
Supply voltage
|
4.5 to 11 V
|
Supply current
|
< 6 mA (sink current 26 mA)
|
Operating temperature
|
-40°C to 125°C
|