This test simulates low-frequency magnetic field disturbances encountered in real-world environments to evaluate the immunity and functional performance retention of electronic components under such conditions, ensuring reliable and safe operation in actual vehicle environments.

Global annual production of 48V mild hybrid vehicles is projected to exceed 10 million units by 2026, with the market size expected to register a compound annual growth rate of over 24% from 2025 to 2030. The 48V system has become a realistic and cost‑effective bridging technology between traditional internal combustion engine vehicles and pure electric vehicles.