USB 3.0 Current Capacity

Hi

I want to know what is the current capacity of the USB connectors on the Khadas EDGE V-Pro board. In other words, We want to know what the current each USB ports on the Khadas EDGE V- Pro board can give?

Thanks

You can refer to this

Hi Terry

Thanks for the reply, Can we change the Current Limits? By Changing the resistors? We need atleast 2Amp out from USB3.0.

Also What is the power that Output Type-c Connector can give?

Thanks

You can change the current limit by change the resistor. But the combined current of usb2.0 and usb3.0 is only 3A.

I think the adapter has to be bigger than 27w(9V/3A)

Hi Terry

I want to know maximum current capacity of the Type-C Output connector which is on the top side of the board and named as USB-C (3.0 & DP)

Thanks

Also for the USB2.0 & USB 3.0 as per the datasheet of the IC SGM2551A, it can drive up to 1.7A only so how we can achieve 2Amp on USB3.0 Connector?

Thanks

Yes, the maximum USB output current is only 1.7A even if you change the resistor.

Hi Terry

In that case, if we limit the current at 1.5A of each and short both supplies will it be okay to give enough current? 1.7A will be too high to handle for continuous operation, or will it be okay? As our application will drive 1.8-1.9 Amp on USB 3.0 Continuously.

Also, the Output Type-C, Highlighted in the attached image what it’s capacity?

The default output current of USB-C port(top side only) is around 2.0A.

To delivery larger current (up to 3000mA output maximum) you should change the ISET R100 value:

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Hi Gouwa

Thanks for the reply.

Hi Terry

Can you please answer the above question for shorting of USB2.0 & USB 3.0 Power supply.

Thanks