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https://e2e.ti.com/support/interface-group/interface/f/interface-forum/1439968/tcal9539-does-epad-need-to-be-grounded
工具与软件：
您好！
我在 设计中使用此器件 TCAL9539RTWR。 我找不到关于外露焊盘(EPAD)的任何信息。 它需要接地还是保持悬空状态？
谢谢
是；请参阅 [常见问题解答]在哪里连接逻辑 QFN 器件的散热焊盘？
谢谢你
