AEC-Q100 Grade-1 qualified automotive 3-axis accelerometer and gyroscope module
Date: 17/05/2024
STMicroelectronics unveiled its new ASM330LHBG1 automotive 3-axis accelerometer and 3-axis gyroscope module with a safety-software library that enables a cost-effective solution for functional-safety applications.
ASM330LHBG1 is AEC-Q100 Grade-1 qualified with ambient operating temperature range of -40°C to 125°C. Designed to deliver high accuracy and reliability for systems such as vehicle navigation, body electronics, in driver support and highly automated driving systems. ASM330LHBG1 suggested for use in precise positioning in navigation systems, digitally stabilizing cameras, lidars, and radars, and in active suspension, door modules, vehicle-to-everything (V2X) applications, adaptive lighting, and motion-activated functions.
By having on-device ST’s machine-learning core (MLC) and programmable finite state machine (FSM), the ASM330LHBG1 can run artificial intelligence (AI) algorithms in the sensor to provide smart functionality at very low power. ASM330LHBG1 is pin-to-pin compatible and shares the same configuration of registers as ST’s automotive IMUs with a lower operating temperature range, permitting a seamless upgrade.
In addition, the modules contain embedded temperature compensation, which ensures stability over wide-ranging operating conditions, and provide a six-channel synchronized output to enhance the accuracy of dead-reckoning algorithms. ASM330LHBG1 feature I²C, MIPI I3C, and SPI serial interfaces, smart programmable interrupts, and a 3KB FIFO that eases managing sensor data to minimize load on the host processor.
ST is offering independently tested and certified software adhering to ISO26262 and enabling safety-compliant redundancy with two ASM330LHBG1 modules. Fulfilling safety element out of context (SEooC), this combination based on general-purpose hardware supports system certification up to automotive safety integrity level B (ASIL B). Software and the associated library alllows configuring the sensing module, checking for correct operation before starting to acquire data, and handling the acquisition of the data coming from the sensing module. Each of these steps is associated with an error code that provides confirmation if a fault is detected. To ensure high-reliability this solution has two identical sensors to provide redundancy, checking the data coming from two different sensing sources are consistent.
The ASM330LHBG1 is in production now and available in a 14-lead, 2.5mm x 3mm VFLGA plastic land grid array package. Budgetary pricing is $9.40 for orders of 1000 pieces.
More info at: https://www.st.com/safer-driving-smarter-life
Source: STMicroelectronics
