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Automotive semiconductors and sensors from Bosch
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SMA131 | Acceleration sensor for non-safety relevant applications

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SMA131 | Acceleration sensor for non-safety relevant applications

Economical through 3 power-saving modes, which give a very low power consumption

The SMA131 detects acceleration in three perpendicular axes (axyz) and allows tilt, motion, vibration or shock sensing regardless of the sensor mounting orientation

The SMA131 is a digital 14-bit accelerator with different measurement ranges. The sensor combines our knowledge from consumer and automotive electronics.

Numerous programming options, a low signal noise and very small footprint make the SMA131 a highly versatile and easily applied acceleration sensor for non-safety automotive applications.

Benefits

Extremely flexible application options

Cost-effective

Small footprint

Low power consumption - even at system level

Bilion-fold applied technology (due to CE backround)

AEC-Q100 qualification

Target applications

Comfort access

Car key module

Wake-up functionality

Technical Features

Type
Acceleration sensor
Package
LGA12
Sensing axes
X, Y, Z
Range
±2 g
±4 g
±8 g
Interface
SPI, I²C
Data resolution
14-bit
Sensitivity
4,096 LSB/g
2,048 LSB/g
1,024 LSB/g
Sensitivity tolerance
±2.1 %
Supply voltage
1.62 to 3.6 V
Supply current
130 μA (normal operation)
1 μA to 66 μA (power-safe modes)
Operating temperature
-40°C to 85°C
85°C to 105°C: extended operating temperature range, typical values only
  • 12-pin LGA package: 2 mm x 2 mm x 0.95 mm
    12-pin LGA package: 2 mm x 2 mm x 0.95 mm