我的電池是含有保護板的PACK，電池在低電壓時候做BOOST to 5V時，當VBAT<2.8v時會啟動保護鎖住輸出後又會被再度解鎖，造成5V不斷開開關關。
是什麼原因無法鎖住電池?(Please visit the site to view this file)
1. VBAT路徑上容值為5.7uf
2. 保護板設定2.8V鎖住VBAT_CONN輸出
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