Abstract
A management system based on MCU and OZ8920 chip for Li-ion battery series has been developed in this paper. It is successful in solving the defects in design of OZ8920 chip cascade and accomplishing I2C bus communication between MCU and OZ8920 chip. It has several significant functions in this design, which is combined with 16 series connected cells, such as charge and discharge protection, single cell voltage and temperature monitoring, cell pack balance, etc.
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