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TS3USB221A: 关于接口共模电感放置问题

Part Number: TS3USB221A
Other Parts Discussed in Thread: TS3USB221E

您好!在使用TS3USB221A时USB口要放置共模电感,下面图中1和2哪个才是正确的呢。7和8脚是接MCU端,1.2和3.4是分别接了两个USB口连接PC端使用。做EMC认证时要加上共模电感。选择TS3USB221E这个型号是不是不用再加ESD元件了。