Press release
NXP Improves Battery Health Monitoring with EIS Capable Battery Management Chipset
NXP unveils industry-first, battery management system (BMS) chipset with built-in Electrochemical Impedance Spectroscopy (EIS) using precise hardware-based
About this update from Nxp Semiconductors N.v.
[{"type":"text","content":"NXP unveils industry-first, battery management system (BMS) chipset with built-in Electrochemical Impedance Spectroscopy (EIS) using precise hardware-based synchronization of all battery cell measurements within a single high-voltage battery packBrings lab-grade diagnostics into vehicles, enhancing battery health insights and expanding NXP’s electrification portfolio with advanced monitoring capabilitiesSimplified and cost-efficient battery cell monitoring allows automakers track battery health, improve electric vehicle (EV) safety, and support fast charging EINDHOVEN, The Netherlands, Oct. 29, 2025 (GLOBE NEWSWIRE) -- NXP Semiconductors N.V. (NASDAQ: NXPI) today announced its industry-first Electrochemical Impedance Spectroscopy (EIS) battery management chipset with hardware-based nanosecond-level synchronization of all devices. The new system solution is designed to enhance safety, longevity, and performance in electric vehicles and energy storage systems. It integrates EIS measurement directly into three battery management system (BMS) chipset units, enabling carmakers to gain deeper insights into battery health and behavior. OEMs today face increasing pressure to deliver safe and faster charging, longer battery life, and safer battery energy storage systems - all while keeping costs and design complexity in check. Traditional, software-based battery monitoring methods often struggle to precisely detect dynamic, millisecond level events that serve as early indicators of failure. To ensure safe and fast charging, these systems frequently require additional sensors and software. NXP’s new chipset tackles these challenges by embedding EIS directly into the hardware, consisting of three BMS units: the BMA7418 cell sensing device, the BMA6402 gateway, and the BMA8420 battery junction box controller. It enables real-time, high-frequency monitoring without the need for extra components or costly redesigns. The hardware-based solution operates in highly precise synchronization to deliver highly accurate impedance measurements with directly in-chip integrated discrete Fourier transformation, helping OEMs better manage safe and fast charging, detect early signs of battery failure, and reduce system complexity. “The EIS solution brings a powerful lab-grade diagnostic tool into the vehicle. It simplifies system design by reducing the nee...