HD3SS3220: HD3SS3220 Schematic Review

Zhongyuan Li

Part Number: HD3SS3220
Other Parts Discussed in Thread: TPS2065D

SCHEMATIC1 _ USB.pdfThis is Zhongyuan, FAE supporting Xiaomi. Xiaomi is evaluating the HD3SS3220 in their router project. Could you help review the schematic of HD3SS3220? Thanks for you support.

over 3 years ago

0 Brian Zhou over 3 years ago

TI__Guru**** 154730 points

Zhongyuan:

Is this DFP?

For U31, ID should be used to control EN.

Regards

Brian

0 Zhongyuan Li over 3 years ago in reply to Brian Zhou

TI__Prodigy 80 points

Yes, it is DFP, you mean they need to use the ID pin of HD3SS3220 to control the EN of TPS2065D?

0 Brian Zhou over 3 years ago in reply to Zhongyuan Li

TI__Guru**** 154730 points

yes, In DFP, Vbus should be turned on after ID goes low. So it's better find Vbus switch with low enabled.

Interface

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HD3SS3220: HD3SS3220 Schematic Review