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TUSB4041I: 设计相关问题

Part Number: TUSB4041I

您好, 我们目前采用TI的TUSB4041i作为一个HUB来进行3 downstreams 和1 个upstream的接口。我仅仅用4041i来传输数据,而不通过它来供电,那么下面这些管脚是否可以悬空,软件需要如何处理?

OVERCUR1-4z

PWRCTL1/BATEN1-4

AUTOENz/HS_SUSPEND

FULLPWRMGMTz/SMBA1

GANGED/SMBA2/HS_UP

PWRCTL_POL