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BQ76952: 多个均衡通道同时开启,均衡波形异常

Part Number: BQ76952


您好,我的均衡通道设计如下图所示:

我在单独只开启一个均衡通道时,用示波器测量均衡电阻两端电压,比如6通道,示波器正端接F3右侧,示波器接地夹子接Q4的3脚,均衡波形正常,但是当我同时开启4个均衡通道,比如2、4、6、8时,6和8通道波形出现异常,具体波形如下图,请帮忙分析一下可能的原因,谢谢!