High Performance Inertial Measurement Unit
13 April 2023
ACEINNA has announced the general availability of the IMU330RA high performance inertial measurement unit (IMU).
ACEINNA’s new IMU330RA is an easy-to-integrate, high-performance 6-DOF inertial sensor packaged in a ruggedized, sealed over-molded plastic housing at IP69K level. The IMU330RA features a redundant 3-Axis Accelerometer and 3-Axis Rate Gyroscope sensors for excellent accuracy and reliability.
The module supports both 1000Base-T1 Automotive Ethernet and CAN-FD interfaces and provides up to 1000Hz update rate with low latency. The IMU330RA is an automotive grade, ASIL B certified device which serves as the basis for customer positioning system integration to ASIL D.
“Our new ACEINNA IMU330RA IMU sensor is designed for use in Automotive Level 3 and higher ADAS systems,” says Teoman Ustun, VP of ACEINNA’s Automotive Business Unit. “This new sensor module provides encrypted data, at up to 1000Hz output rate over both Ethernet and CAN-FD interfaces, and supports precise synchronization based on gPTP 802.1AS:2020 and Unified Diagnostic Services.”
IMU technology is an essential element of todays and tomorrow’s navigation and safety systems for autonomous vehicles and ADAS systems. IMUs work together with a variety of perception sensors (Lidar, cameras, radar, odometry, etc.) to ensure that the vehicle stays on the correct path. However, if the perception sensors fail because of location challenges or environmental challenges like heavy rain, snow, dust, or smoke, the IMU can keep the vehicle on its projected path until data from the perception sensors re-engages or the vehicle is safely brought to a stop.
Critical features include:
• 1 degrees per hour bias instability and 0.1 degrees per square root hour angular random walk
• 1000Base-T1 Automotive Ethernet and CAN-FD interfaces
• Supports gPtP 802.1AS:2020 time synchronization over Ethernet as a gPtP slave
• Supports UDS (Unified Diagnostic Services), as defined in ISO 14229-1 and 14229-5 over Ethernet and CAN
• Automotive Grade with AEC Q-104 fulfillment
• Part Operating Temperature Grade 2: -40C to +105C
• IP69K, rugged, sealed, over-molded packaging
• Encrypted software updates and communication, with on board hardware security module (HSM)
• Level B Automotive Safety Integration
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