Design of multi-battery arrays monitoring system based on XL8812
In the process of designing a high-precision multi-battery management system,a master-slave modular design structure was implemented,dividing the system into two parts:the master control board and the acquisition board.Up to 20 acquisition boards can be cascaded with a single master control board.The main control unit,STM32F407VET6 and the acquisition unit,XL8812,cooperate with each other through IosSPI communication.This configuration enables the collection of voltage,temperature,and other information for 4 to 240 battery cells,with the data being uploaded to the host computer for real-time monitoring of the battery pack's status.Through extensive board debugging and testing,the system has demonstrated excellent stability and measurement accuracy,fully meeting the voltage monitoring system requirements for large-scale battery arrays.
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