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Hi,
1.Please confirm whether the AC capacitors are required between the Type-C connector and the MUX (PI5USB30213AXEA) input on TX lines.
2.Shall i keep the VCONN pin floating in the PI5USB30213AXEA MUX IC. Please confirm.
Regards,
Suresh
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USB EZ-PD Type-C
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Hello Suresh,
Please refer to the following KBA:
The above KBA has reference schematics (of the type C section) for FX3/CX3 based type C products. Based on your requirement (receptacle or plug), you can refer to the appropriate schematics and use it for your design.
Jayakrishna
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Hello Suresh,
Please let us know which product that is used as the USB 3.0 controller. Is it FX3 (CYUSB3014)?
Jayakrishna
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Dear Jayakrishna,
We are using CX3 ( CYUSB3065). Please let me know if you need any other details.
Regards,
Suresh
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Hello Suresh,
Please refer to the following KBA:
The above KBA has reference schematics (of the type C section) for FX3/CX3 based type C products. Based on your requirement (receptacle or plug), you can refer to the appropriate schematics and use it for your design.
Jayakrishna
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Dear Jayakrishna,
From the link that you have provided, i hope that AC capacitors are needed on the TX lines.
Coming to my second question, VCONN is left floating in your reference schematic ( receptacle ) as well. So, I hope that we can leave VCONN in floating state. It should not create any issues. Please confirm once.
Regards,
Suresh
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Hello Suresh,
Yes, your understandings are correct. Also, please check if your MUX internally has a re-driver. If it has a re-driver inside it, then please use AC caps on input and output of the MUX as shown in section 3 of the KBA mentioned before.
Jayakrishna
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Dear Jayakrishna,
Coming to my second question, VCONN is left floating in your reference schematic ( receptacle ) as well. So, I hope that we can leave VCONN in floating state. It should not create any issues. Please confirm once.
Regards,
Suresh
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Hello Suresh,
Yes, you can leave it floating as shown in the KBA.
Jayakrishna