As the global mobility industry undergoes a once-in-a-century electric transformation, Visteon is evolving its electrification electronics capabilities to include various intelligent systems for battery management and integrated power electronics.
Visteon’s BMS capability dates back to the earliest days of EV production when it supported the 1998 Ford Ranger EV and various other automakers since then. In 2020, Visteon transformed its wired BMS solution into a first-to-market smart system that communicates wirelessly to key EV components.
Wireless BMS technology replaces traditional wired connections with highly secure and reliable wireless communication technology. Visteon builds its wireless cell monitoring/supervising units with a wireless network control unit and a battery control and interface unit. According to the company, it eliminates the need for manufacturers to assemble battery packs with a low-voltage wiring harness. This potentially reduces overall vehicle weight and offers scalability across brands and vehicle segments. In addition, the smart BMS system platform delivers highly accurate battery cell measurement and maximizes energy use per cell required for improved vehicle range.
Visteon’s wireless smartBMS can help automakers drive EVs to market faster, as time will not be needed to develop specific communication systems or redesign complex wiring schemes for each new vehicle. Instead, the wireless system will help to ensure the scalability of batteries across future EV lineups encompassing different brands and vehicle segments, from heavy-duty trucks to performance vehicles.
Because the integrated hardware architecture and system software can extend across multiple vehicle platforms with minimal module configuration changes, this flexible wireless solution reduces engineering costs significantly. It can more easily be integrated with thermal management systems and other vehicle controls.
The wireless smartBMS keeps a constant eye on battery health and operation, helping automakers enhance vehicle and passenger safety and improve overall quality and reliability. In addition, Visteon’s smart cell sensing controller adds extra processing capability to the battery-monitoring network, enabling advanced diagnostics and more flexibility for future applications and algorithms.
General Motors uses the Visteon wireless BMS technology on all of its planned EV models powered by Ultium batteries. A second global OEM will use the Visteon wireless BMS on its EV launches starting in 2024. In addition, the company continues to offer its smart wired BMS system with advance features to automakers.
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