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How the Xiaomi Mi 6 Phone Gets Power Supplied by the Google 18W USB-C Power Adapter Over USB Power Delivery

USB PD
Product Review
Reviewed Products

Reviewed Products

Mi 6

by Xiaomi

The Xiaomi Mi 6 can be charged from both USB Power Delivery 3.0 and Qualcomm Quick Charge 3.0 based chargers which means it most likely supports Qualcomm Quick Charge 4+ technology over USB Type-C. To see how well the Mi 6 performs with a USB Power Delivery charger like the Google 18W USB-C Power Adapter, we look at their USB Power Delivery communications using the Granite River Labs GRL-USB-PD-A1 analyzer.

When directly connected using a USB Type-C to Type-C cable, the Google 18W USB-C Power Adapter​ is shown to repeatedly offer 15 watts (5 volts @ 3 amps) and 18 watts (9 volts @ 2 amps) USB Power Delivery power profiles to the Mi 6.

The Mi 6 on a 5% charged battery is first observed to request 15 watts (5 volts @ 3 amps) to which the charger complies.

We can then see the Mi 6 follows up to request the 2nd PDO of 18 watts (9 volts @ 2 amps) which also gets accepted by the charger.

When plugged in at 5% battery, the Mi 6 starts charging to around 15 watts (5 volts @ 3 amps) in the first 10 seconds while the phone is turned on. In the next 4 seconds, during the 2nd power request, the voltage reaches up to around 9.1 volts with a sudden drop in current. The current quickly bounces back to a more steady stream as the phone draws around 16.4 watts (9.1 volts @ 1.8 amps) while in active mode.

We can confirm that the Mi 6 can be charged by the Google 18W USB-C Power Adapter that comes with the Google Pixel using USB Power Delivery when at 5% battery level on the phone, at almost similar power that the Mi 6 should receive through the Xiaomi's supplied Qualcomm Quick Charge based AC charger.   

Reviewed Products

Reviewed Products

Mi 6

by Xiaomi
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