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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/754774/tps40140-layout-of-gnd-versus-pgnd
我想举一个多层电路板单个接地系统的布局示例 、其中我可以减轻 PGND 进入控制器 GND 的开关噪声。
