setting the power, u2 automatically calculates the current
broadcast value to prevent the power device from applying more
power than the qc charger.
note:
Since the d+d-interface of u2 is used to apply for the qc
protocol, some pd power devices d+d will cause u2
interference and the application fails. This is normal.
For example, switch game consoles cannot use this feature.
The voltage and current broadcast value displayed on the right
is applied by the power device itself. The user cannot change,
for example, a mobile phone to apply for pd9v charging. If you
want to force 20v, it is not allowed!
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