Splitting USB-PD and USB 2.0 Data into two separate connection
Application: Programmer adapter for PicoPD
Allow you to program/serial debug and check USB-PD at the same time. You will have to unplug the PD source to renegotiate the USB-PD protocol after reset.
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Allow you to program/serial debug and check USB-PD at the same time. You will have to unplug the PD source to renegotiate the USB-PD protocol after reset.
Application: Allow different charging sources for Android Auto in the car
The older car does not have a fast charge built-in into the Android Auto port. You can use this adapter to connect a separate charge that supports fast charge or USB PD.
Design:
Combined port: All signal
From Power: VBUS, GND, CC1, CC2 (VBUS and GND support 5A)
From Data: GND, D+/D-
There are also 2x 5.1K termination resistors on CC1/CC2 of the Data port to trigger 5V from the host if required. However, this 5V will not be passed through the Combined port.
Note: Due to the design of the USB-C Receptacle. You might have to rotate the Power plug to have a connection. Do not mix 5A cable and 3A cable for PD, this can cause your 3A cable to fail if pulling too much current. I am planning to test the adapter on iPhone 15 soon once I get a hold of one.
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