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SMA755 | Satellite sensor for airbag systems

SMA7xy

Vast field experience gained from hundreds of millions sensors

The SMA755 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.

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 applications

Satellite sensor in airbag systems

Technical Features

Type
Single axis high-g acceleration sensor
Package
SOIC8n
Sensing axes
X
Range
±240/480 g
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
  • Lead-free SOIC8n package: 6.0 mm × 4.9 mm × 1.75 mm (complete sensor)
    Lead-free SOIC8n package: 6.0 mm × 4.9 mm × 1.75 mm (complete sensor)