SMA682

Satellite sensor for airbag systems

Application & Technical Summary

The SMA682 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

reliable operation

due to broad operating temperature range

Technical Features


Type	Single axis high-g acceleration sensor
Package	SOIC8n
Sensing axes	Y
Range	±120/240/480 g
Interface	PSI5 (PAS)
Data resolution	10-bit
Sensitivity	4/2/1 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