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TDP158工作不正常

Other Parts Discussed in Thread: TDP158

TI工程师,你好!

项目HDMI接口上需要使用一颗HDMI Redriver芯片,设计选择了TI TDP158,但是调试过程中出现一些不稳定现象:

1、部分板子热插拔时偶尔出现不显示,且芯片发烫。先插上HDMI线再开机(不做热插拔),可正常显示。

2、部分板子使用一段时间后HDMI无法正常显示,更换芯片后正常。

HDMI GPU是三星 S5P6818,附上原理图,请确认一下配置是否合适。谢谢!

TDP158.pdf