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Need clarification on CYUSB3324-88LTXC USB HUB | Cypress Semiconductor

Need clarification on CYUSB3324-88LTXC USB HUB

Summary: 1 Reply, Latest post by Madhu Sudhan on 18 Jan 2016 09:40 AM PST
Verified Answers: 0
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manjunath_1563926's picture
1 post

Hi All,

I am planning to use CYUSB3324-88LTXC as a USB HUB, As per the documents i get to know CYUSB3324-88LTXC supports ACA Dock mode by which we can able to charge the Upstream port(Tablet) and Downstream port and also continue communication with downstream port simultaneously. 

But i have a question that

1.will CYUSB3324-88LTXC charges the downstream ports using the power coming from upstream port (say Tablet) when the external power supplies are absent(say 3.3v,5v,1.2v).

2.Will CYUSB3324-88LTXC supports the charging of APPLE/Samsung phones which will be connected to upstream port or we need to go for MFI interface while charging the Apple phone.

Please support over the above doubts.

mady's picture
Cypress Employee
964 posts

1) No

2) For Apple, you need the MFI Interface.


- Madhu Sudhan

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