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CSD86350Q5D起火

Other Parts Discussed in Thread: TPS53219A, CSD86350Q5D

DC-DC芯片TPS53219A配合 CSD86350Q5D,已经出现4个CSD86350Q5D损坏的问题,其中两个引起PCB起火,损坏的CSD86350Q5D芯片VIN管脚与VSW短路。 我生产了2K的产品中只有4个出现了问题,虽然概率很低,但是起火是大问题,我认为电路和芯片质量本身是没有问题的,想问CSD86350Q5D有概率问题引起起火吗?TPS53219A有什么问题?还是我使用TPS53219A搭配CSD86350Q5D不适合?谢谢!