Abstract
The paper deals with a complex hardware design of a battery management system (BMS) for a Formula Student electric car. This car, built completely by students, has specific requirements, because while being highly demanding application with high power, high voltage tractive system driven in hot summer conditions, simplicity and reliability are very important. To meet the requirements, two separate PCBs were designed, one being integrated inside the segment of battery box to connect to cell voltages and measure temperatures, the other one being on top of the segment to control the system. The control PCB is based on the STM32 microcontroller and the BQ76PL455A-Q1 integrated circuit intended for BMS applications in automotive. The whole system was manufactured and assembled, and basic hardware test was conducted to evaluate the design and get it completely ready for the subsequent software design.
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