TPD4S480: 关于TPD4S480导通关断问题

Tian Roy

Part Number: TPD4S480

Dear TI buddy,

Could you please advise, when TPD4S480 has no VPWR, the CCx FET and FBUx FET will turn off. Is this FET turn-off bidirectional or unidirectional, and will there be any body diode reverse conduction?

Thanks，

Roy

2 天前

0 FRANK1 2 天前

TI__Genius 16860 points

Thank you for contacting TI China E2E forum and choosing our products as part of your solution.
Regarding your query, please give us some time to confirm this issue.

0 FRANK1 2 天前

TI__Genius 16860 points

从内部框图看当VPWR无供电时，芯片内部的CCx FET and FBUx FET会关断并呈现高阻态，这时，芯片是单向阻断的。但由于FET二极管的存在，内部存在导通路径。

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TPD4S480: 关于TPD4S480导通关断问题