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BQ500210 上电不动作

Other Parts Discussed in Thread: BQ500210

客户用 BQ500210 双面板设计,焊好样板芯片都没有动作,电源部分都正常,但驱动都没有波形出来,这个是什么问题?

最开始的时候双面板不建议但没想到的是,双面板芯片竟然一点儿都不动作,是芯片哪方面的问题导致的呢,不解,请指教,谢谢!