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BQ24610 EMC测试辐射超标

Other Parts Discussed in Thread: BQ24610, BQ24170

Hi Team,

使用BQ24610做2串锂电池充电,电路板做EMC测试时,辐射出现超标的情况。请帮忙分析给一些改善建议,谢谢!

1,  原理图是参考推荐电路的

2,  输入输出加了磁珠问题依旧

3,  拆掉电池,辐射就不会超

SW波形