Advanced battery management system prepares for smart car of the future
Automotive OEMs can enhance the safety of their lithium-ion battery packs with robust communications, comprehensive diagnostics, and lower system costs with the MAX17843 12-channel, high-voltage smart sensor data-acquisition device, says Maxim Integrated Products.
Electric vehicles (EVs), hybrid EVs, and plug-in hybrids rely on large lithium-ion battery packs filled with hundreds of individual battery cells. As the number of vehicles with electric engines increases, automotive OEMs and Tier 1s need an intelligent battery management system to enable safe, low cost solutions with robust communications, says Maxim.
The MAX17843 battery management system (BMS) meets the highest safety standards, adhering to ISO 26262 and ASIL D requirements (also applicable for ASIL C). Its differential universal asynchronous receiver/transmitter (UART) uses capacitive isolation to reduce bill of materials (BoM) costs and failure in time (FIT) rates. Designers can save up to 90 per cent of their isolation BoM cost, suggests Maxim. The UART enables robust communications in noisy environments. Using Maxim’s proprietary daisy-chain architecture and successive-approximation-register (SAR) ADC, the MAX17843 captures fast, accurate voltage measurements and delivers high EMC performance. It is applicable for a variety of automotive and EV powertrain applications.
Maxim Integrated develops innovative analogue and mixed-signal products and technologies to make systems smaller and smarter, with enhanced security and increased energy efficiency. It serves automotive, industrial, healthcare, mobile consumer, and cloud data centre customers.
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