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https://e2e.ti.com/support/interface-group/interface/f/interface-forum/597096/tca4311a-tca4311a-different-i2c-level
您好，Sirs：
TCA4311A是否支持热插拔端5V i2c电平，但系统端为3.3V？ 如下面的LTC4300A-2。
谢谢！
Terry，您好！
不幸的是，TCA4311不能支持两种不同的电压。
弗朗西斯·胡德
