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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/702773/bq24157-what-s-the-function-of-cap-connected-in-pmid-pin-of-bq24157
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BQ24157 PMID 引脚中连接的电容有什么功能？
您好 Fandy、
PMID 电容器是降压直流/直流转换器的输入电容器。 它位于 VBUS 和降压转换器高侧 FET 之间的反向阻断 FET 之后。 将该电容器放置在靠近 IC PMID 引脚和 GND 引脚的位置对于实现最佳降压转换器性能至关重要。
