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电感用的与开发板一样,PMID输出电容并了2颗22u加1颗1u,但对外充电时提供的电流很小,并且电压被拉下去。不接负载为5.1V,接了负载下拉到4.4V左右。PMID脚是否需要增加线宽。另外BQ25895有没有layout参考建议,像TPS61088那样
Hi
相当于boost, 电流也比较大,输出走线是要宽一点,并且电容尽量靠近芯片脚PMID.