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BQ25895: PMID和sys可以同时输出电压吗

Part Number: BQ25895

BQ25895这颗充电芯片  PMID和sys可以同时输出吗, 我的理解是当适配器供电时,PMID会连到输入电压5v,sys的电压由输入降压得到3.5-4.5v;

如果是无适配器供电,sys直连到bat,输出bat电压,而PMID则通过bat升压至5V。

另外功耗的问题,同时给电池充电3A,sys以及PMID也2A,芯片能承受住吗,芯片温度能到多少?