Battery Management Systems
The Battery Management System (BMS) is a critical component in an electric vehicle (EV) that is responsible for monitoring and managing the battery pack. The BMS consists of several components that work together to ensure the safety and reliability of the battery pack and to optimize its performance. Some of the key components of an EV BMS include:
Battery Monitoring ICs: These are integrated circuits that monitor the voltage, current, temperature, and other parameters of each cell in the battery pack. This information is used to calculate the state of charge (SOC), state of health (SOH), and other important parameters that are used to manage the battery pack.
Battery Protection Circuit: This circuit provides protection to the battery pack from over-voltage, over-current, and over-temperature conditions. This helps to prevent damage to the battery and to ensure the safety of the vehicle.
Battery Balancing Circuit: This circuit manages the voltage difference between cells in the battery pack to ensure that they are balanced and operating within a safe range. This helps to extend the life of the battery pack and to improve its performance.Communication Interface: The BMS needs to communicate with other Electronic Control Units (ECUs) in the vehicle, such as the Vehicle Control Unit (VCU) and the Charging Control Unit (CCU), to exchange information and coordinate the functions of different systems. The communication interface is used to establish this communication. Battery Management Software: The BMS software is responsible for managing and controlling the various components of the BMS. It processes the data from the battery monitoring ICs, implements the battery protection and balancing algorithms, and communicates with other ECUs in the vehicle.
2023 list of suppliers that provide battery management systems (BMS) for the automotive industry:
|Indie Power Systems|
|Our Next Energy|
|Titan Advanced Energy|