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现在我们在采用TPS62130来做平板的各个电压源,主要是两节锂电池(电压在5.6---8.6伏),或者外接电源9伏或者12伏,现在对这个芯片的接地方法没有信心。原理图如下:
PCB LAYOUT如下:现在想确认这样做是否OK?
Thermal Pad 打过孔的时候并不可以和公共地相连,一定要通过15,16脚和公共地相连?谢谢!
Hi
可以参照EVM板的layout: http://www.ti.com.cn/cn/lit/ug/slvu437a/slvu437a.pdf ( layout比较清楚)