NXP presents wireless battery management system based on ultra-wideband

Electromobility NXP presents wireless battery management system based on ultra-wideband

2024-11-17 Source: Press release | Translated by AI 2 min Reading Time

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At electronica 2024, NXP Semiconductors unveiled a wireless battery management system featuring ultra-wideband capabilities. This innovative solution is designed to streamline complex manufacturing processes.

Semiconductor manufacturer NXP presented its new wireless battery management system based on ultra-wideband technology at electronica 2024.(Image: NXP) — Semiconductor manufacturer NXP presented its new wireless battery management system based on ultra-wideband technology at electronica 2024.
(Image: NXP)

The wireless BMS technology decouples the mechanical from the electrical development, so that electric car manufacturers benefit from greater flexibility, a faster market launch and reduced development costs compared to cable-based battery management systems. At the same time, they receive a scalable system for different platforms.

Less prone to errors

The use of wireless solutions eliminates the need for complex wiring harnesses in the battery pack. In addition, fewer error-prone manual work steps are required. This allows electric vehicles to be assembled more efficiently and results in lower overall life cycle costs. By eliminating plugs and cables between the battery modules, the energy density can also be increased, which ultimately benefits the range.

Mastering challenges

In order to use wireless communication in reflective structures such as a battery pack, the challenge of "limited space in the battery pack housing" must be solved. UWB technology uses high-bandwidth pulses instead of a modulated, sinusoidal carrier frequency, as used in 2.4 GHz narrowband technologies such as Bluetooth Low Energy (BLE). This makes it less susceptible to errors caused by reflections and frequency-selective fading. This ensures more stable and reliable data transmission.

Offering flexibility in vehicle architecture

The new solution is part of NXP's FlexCom portfolio. It supports both wired and wireless technologies and enables greater flexibility in the choice of vehicle architecture and technology. In addition, a standardized software architecture and security libraries for both BMS configurations ensure that the software can be reused across platforms. This in turn reduces development costs.

The semiconductor manufacturer will make its ultra-wideband wireless battery management solution available to automotive manufacturers for testing and development from the second quarter of 2025.

New IC

The NXP FlexCom BMS portfolio also includes the recently announced NXP MC33777 Battery Junction Box IC, which supports high-voltage batteries with voltage, case insulation and current measurements. The component is also part of BMS. It can be used in both wired and wireless battery management solutions, including all software and applications, without the need for manufacturers to integrate additional third-party providers. (se)

With the SAF9xxx family, self-learning audio and voice applications can be implemented efficiently. (Image:NXP)

Together, ZF and NXP aim to provide safe, sustainable and energy-efficient electric vehicles. (Image:NXP)

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