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Bosch Semiconductors

SMI230

Combined inertial sensor for non-safety relevant applications

Application & Technical Summary

SMI230

The SMI230 detects acceleration and angular rates in three perpendicular axes and allows tilt, motion, vibration, or shock sensing regardless of the mounting orientation of the sensor.

In particular, it eliminates the need for different sensor housings for slant-angle correction.

Product benefits

  • High accuracy - best in class accelerometer and gyro
  • Cost-effective
  • Ultra compact sensor design gives small footprint
  • Low power consumption – also at system level
  • RoHS compliant and AEC-Q100 qualification

Target applications:

  • High-end navigation (dead reckoning) and eCall
  • Telematics and tolling systems
  • Vehicle dynamics data logging
  • Car alarm

flexible

accelerometer and gyro can be operated individually, but can also be tied together for data synchronization.

Technical Features

Type
Combined inertial sensor
Package
LGA16
Sensing axes
X, Y, Z (Ω),
X, Y, Z (a)
Range
±125 °/s (Ω),
±250 °/s (Ω),
±500 °/s (Ω),
±1,000 °/s (Ω),
±2,000 °/s (Ω)

±2 g (a),
±4 g (a),
±8 g (a),
±16 g (a)
Interface
SPI, I²C
Data resolution
16-bit (Ω)
16-bit (a)
Sensitivity
262.4 LSB/°/s (Ω),
131.2 LSB/°/s (Ω),
65.6 LSB/°/s (Ω),
32.8 LSB/°/s (Ω),
16.4 LSB/°/s (Ω)

1,024 LSB/g (a),
512 LSB/g (a),
256 LSB/g (a),
128 LSB/g (a)
Tolerance
±1% (Ω)
±13 mg (a)
Supply voltage
2.4 to 3.6 V
Supply current
5.15 mA
Operating temperature
-40°C to 85°C

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