Electric buses and electric semis require maximally efficient powertrains. Safety concerns also increase as the size and number of batteries increase in line with an EV's size and weight. Count on Littelfuse to deliver off-the-shelf and custom designed solutions for energy storage, ac–dc and dc–dc switching, rapid charging, and overcurrent, overvoltage, ESD, and overtemperature protection.

More than batteries make electric buses and electric semis next-generation vehicles. Radar, lidar, and vehicle-to-vehicle communications provide input for advanced driver-assist systems and enable autonomous operation. At the same time, sensors continuously feed data to powertrain, lighting, and HVAC control modules. Count on Littelfuse to supply electronic components for these electrical systems.