This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

【bq40z50】BMS设计疑问

Other Parts Discussed in Thread: BQ40Z50-R1, BQ40Z50-R2, BQ76920, BQ76200

计划做一个4串的锂离子BMS,MOS控制在正极,均衡电流不小于50mA

问题1:BQ40Z50-R1和BQ40Z50-R2有啥区别?R1用着没问题吧

问题2:想实现这种设计,方案一:BQ40Z50-R1配合外部均衡电路;方案二:BQ76920配合BQ76200,哪个方案更好呢?

  • 问题1:BQ40Z50-R1和BQ40Z50-R2有啥区别?R1用着没问题吧

    区别您参考这个文档: 建议使用R2

    问题2:想实现这种设计,方案一:BQ40Z50-R1配合外部均衡电路;方案二:BQ76920配合BQ76200,哪个方案更好呢?

    两者都可以,BQ40Z50-R1加外置的均衡的方案您参考下面的原理图