Automotive IMU platform enhances application accuracy

December 02, 2020 // By Christoph Hammerschmidt
Automotive IMU platform enhances application accuracy
TDK Corp. has developed a high-performance automotive monolithic 6-axis MotionTracking sensor platform for non-safety relevant automotive applications. As the high-performance version of the existing IAM-20680, it is designed to enhance positioning, telematics and vision systems.

The new InvenSense IAM-20680HP sensor platform solution includes IAM-20680HP MEMS inertial measurement unit (IMU) sensors and developer kit, all currently available through worldwide distributors. It combines a 3-axis gyroscope and a 3-axis accelerometer in a thin 3 x 3 x 0.75mm (16-pin LGA) package and is automotive qualified based on AEC-Q100 Grade 2. The product shares pin-to-pin and register compatibility with the full automotive non-safety product family from InvenSense: IAM-20680 (6-axis IMU), IAM-20380 (3-axis gyroscope) and IAM-20381 (3-axis accelerometer).

It also features an extended FIFO up to 4096-bytes that can lower the traffic on the serial bus interface and reduce power consumption by allowing the system processor to burst read sensor data and then go into low-power mode. In addition, the IAM-20680HP provides industry-leading sensitivity tolerance and temperature stability in combination with proven high robustness by supporting 10,000g shock reliability.

The IAM-20680HP platform is designed to enhance positioning systems accuracy, to enable advanced telematic features and to stabilize vision system by delivering precise and reliable inertial data up to 105°C. It also provides best-in-class low noise performance, on-chip 16-bit ADCs, a 3-axis gyroscope with user-programmable range of ±250 dps to ±2000 dps, and a 3-axis accelerometer with user-programmable range of ±2g to ±16g. Other features include programmable digital filters, an embedded temperature sensor, programmable interrupts, and factory-calibration of both sensors, ultimately reducing production-line calibration requirements. The device features I2C and SPI serial interfaces and voltage operating range of 1.71V to 3.6V.

More information: https://invensense.tdk.com/solutions/automotive/

 


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