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TPS65181B电源芯片问题,请回答~

Other Parts Discussed in Thread: TPS65181B

正在使用TPS65181B芯片,现有如下问题:

1,TPS65181B芯片在电路连接正确的情况下,并且使能wakeup和pwrx为高电平的情况下是否能够上电自举,即各轨道输出标准电压?

2,tps65181b下面的散热焊盘是否可以同电源地连接在一起?(看数据手册是不可以连接到地请帮忙确认)

3,如果不可以连接到地,那么如此连接是否会烧坏电源芯片?

下附芯片数据手册。

TPS65181B.pdf