THE FUTURE OF EV BATTERY SAFETY
Electric vehicles (EVs) and energy storage systems require strict reliability, yet monitoring internal battery health has historically been a complex challenge. Texas Instruments (TI) aims to address this with its new BQ79826Z-Q1 battery monitor. This single-chip device is the industry's first to integrate an electrochemical impedance spectroscopy (EIS) engine, significantly advancing battery safety protocols.
Rather than relying solely on external temperature and voltage measurements, the chip functions similarly to an EKG for batteries. Utilizing EIS technology, it delivers continuous, real-time visibility into the chemical state of each cell. This allows management systems to detect early warning signs of thermal runaway and degradation before they become critical hazards.
Additionally, the BQ79826Z-Q1 can track up to 26 battery cells per device, which is 44% more channels than previous generations. This high capacity reduces the total components needed in a battery pack, lowering costs and simplifying architecture without compromising accuracy. By shining a light inside the battery cell, TI's new chip provides a smarter path to safer, longer-lasting EVs.
Attribution: Covered by Electronic Specifier.