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Bosch Semiconductors

SMG103

Angular rate sensor for rollover sensing in airbag ECUs

Application & Technical Summary

SMIG10x

The SMG103 is a single axis (Ωx) gyroscope (gyro) for rollover applications.

The SMG103 communicates via a digital 16-bit SPI interface. Particularly in combination with the SMB200 low-g accelerometer it becomes an ideal sensor combination for a complete rollover system. The sensor detects the chassis roll rate s during a rollover event.

Product benefits

  • Slow on-chip offset regulation
  • Full self testing capability
  • Continous signal monitoring
  • RoHS compliant

Target application

  • Rollover sensing

reliable operation

due to full self-test capability and digital data transmission

Technical Features

Type
Angular rate sensor
Package
SOIC16w
Sensing axes
X
Range
±300 °/s
Interface
SPI (Bosch)
Data resolution
10-bit
Sensitivity
1.6 LSB/°/s
Tolerance
±7%
Supply voltage
5 V
Supply current
< 9 mA
Operating temperature
-40°C to 105°C

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