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https://e2e.ti.com/support/interface-group/interface/f/interface-forum/566231/tps2546-tps2546-issue
部件号:TPS2546您好,先生,
我的客户遇到有关他们的Thunderbolt坞站无法正常充电到S3阶段的Apple MAC书籍的问题,
当MAC处于S0阶段时,Thunderbolt CPU将TPS2546 CTRL1/2/3引脚设置为1/1/1以设置CDP模式,
但 MAC书籍S3阶段,Thunderbolt CPU应将TPS2546 CTRL1/2/3引脚设置为0/1/1,设置为自动模式,但这次发现它将 CTRL1/2/3引脚设置为1/1/1,这应该是 Thunderbolt CPU控制问题,或者可能由TPS2546引起,您以前是否遇到过此问题? TPS2546是由CTRL引脚控制的无源器件,对吧?
谢谢!
Jeff