SMI340 | Vibration robust 6-axis IMU with SafeSPI and SafeI2C interface for ASIL D systems in an LGA package

Our distribution partners

High precision ensures reliable motion sensing

SMI340 is a 6-axis inertial sensor that combines ESP-proven reliability with ADAS-grade precision.

Its compact and robust design ensures excellent temperature stability and vibration robustness while minimizing system footprint. The sensor delivers precise vehicle motion data to support safety-critical functions (ESP, airbag rollover) and advanced driving features.

Integrated FIFO and interrupt functions simplify system integration and enable efficient data handling.

Benefits

Excellent vibration robustness and offset stability

Developed according to ISO26262 for systems with safety targets up to ASIL D

Robust performance for the complete automotive temperature range from -40 °C to 125 °C

Target applications

ESP®

Rollover sensing

ADAS

Technical Features


Type	Combined inertial sensor
Package	LGA 3.1 mm x 4.4 mm
Interface	SafeSPI, SafeI2C
Operating temperature	-40 °C to +125 °C
Supply voltage	2.8 and 3.6 V
Supply current	5 mA (max)
Sensing axes	Ω: x, y, z A: x, y, z
Measurement range	Ω: 300 °/s A: 4 / 8 / 16 / 32 / 35(HF) g
Data resolution	16 bits
Sensitivity tolerance	Ω: 2% (max) A: 2% (max)
Total offset error gyro, calibrated	Ω: 2dps (max) A: 50mg (max)