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TMDS261B HDMI 2选1开关工作时发烫

Other Parts Discussed in Thread: TMDS261B

大家好,最近做HDMI 2选1切换方案用到了TMDS261B这款芯片,调试时发现芯片工作时,即选择一路HDMI信号输出到显示屏,芯片温度异常高,烫手的感觉。控制逻辑根据datasheet 控制S1,S2,HPD电平,当HPD为高时,芯片发烫,为低时恢复正常温度。请问这样使用有问题吗?