低成本串联锂离子电池组充电均衡电路研究

Research on low cost series lithium ion battery charge equalization circuit

提出了一种保护功能完善、成本低廉的串联锂离子电池组充电均衡电路,其主要模块包括恒流源、电池低电压保护、温度保护、充电完成保护、分流器等.该电路能够实现符合JEITA标准的过热、低温保护效果,实际测试结果能够达到预期要求.

A series lithium ion hattery charge equalization circuit with improved protection function and low cost is raised, and its main modules include constant current source, battery low voltage protection, temperature protection, battery full detection, diverter, etc. The effect of high and low temperature protection complied to JEITA standard can be realized by the circuit, and the actual test results can reach the expected efficiency.