Q&A: LEM’s bi-directional automotive RCM type B sensor
Summary
But it is coming with some technical challenges such as managing isolation barrier safety and leakage current flowing in the car from the DC battery to the grid. What are the key challenges system engineers face when designing bi-directional OBCs, and how does LEM’s CDT sensor address these issues? The new CDT sensor has been designed to meet this demand by combining best-in-class automotive grade with a level of accuracy of ± 0.5mA @ 5mA, thanks to LEM’s multi-patented fluxgate technology. • Built in SPI bus with all diagnostics embedded in, with app note and algorithm ready to be set with specific standards • Dynamic Fault level selection (allowing to select standard to apply on sensor) • Leakage value (CH1 and CH2 in SF version) All these features give easier implementation, faster development, and higher value from the sensor than classic industrial devices. • A product range for motor control solutions which is evolving rapidly • Battery management with CAB, the new SMU, and some newcomer to be announced very soon in 2025 • On board charger where we have a lineup of integrated current sensors that are available and some exciting new launches coming in 2025 • On Residual Current sensors, our strategy is to extend our lineup to all use cases from our customers In all these areas, we are concentrating our efforts on smaller, smarter, cheaper, and co-developing with our customers to find the best solutions for their systems.