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USB EZ-PD Type-C

BrFo_2046856
New Contributor

The CCG2 USB Type-C Power Bank Solution page listed below indicates the design is able to act as a DRP (dual role port).    It calls out  CYPD2134-24LQXIT as one of the 2 major components on the board.  

http://www.cypress.com/documentation/reference-designs/ez-pd-ccg2-usb-type-c-power-bank-solution

Looking at the CCG2 datasheet, the CYPPD2134 appears its meant for a DFP Role.    

pastedImage_1.png

Based on the CCG2 datasheet, I would infer that the Power Bank solution would require a CYPD2122 where the role is specified as DRP.   Am I missing something which would enable the CYPD2134 to function as a DRP in this design?

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YiZ_31
Moderator
Moderator

Hi,

Your understanding is correct. CYPD2134 can only function as DFP.  If you want to build a DRP design, then you can only choose CYPD2122.

Regards,

Yi

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1 Reply
YiZ_31
Moderator
Moderator

Hi,

Your understanding is correct. CYPD2134 can only function as DFP.  If you want to build a DRP design, then you can only choose CYPD2122.

Regards,

Yi

View solution in original post

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