Qualcomm Quick Charge 3.0

It’s getting hot, hot, hot once again for HTC — and we don’t know where the fault lays. The problem comes down to charging the HTC 10 and, perhaps, the LG G5.

Android Central’s Jerry Hildenbrand wrote up a post — which you can link to below — describing the blazing danger zone his HTC 10 got into while charging on a power brick that came with his Pixel C. The phone shut off after getting very hot, — Hildenbrand guessed that the phone never stopped charging even after 100 percent — but it was just fine after a cooling. Editor-in-Chief Phil Nickinson also said that he had an issue crossing foreign chargers and cables with the 10, but got a warning from the device that it just wouldn’t charge.

Google engineer Benson Leung, known for his Google+ posts on everything USB-C, said that both the HTC 10 and LG G5 employ the USB-C connector, but violate its power spec by using Qualcomm’s Quick Charge 3.0 standard. QC 3.0 can deliver power at up to 20 volts, way more than the 5 volts allowed for proper Type-C.

Now, there should theoretically be no problem if a QC 3.0 phone — like the HTC 10 — meets a standard 5V charger — like the Pixel C’s one out of the box. The device will just charge at a slower pace. Then again, take a look at what happened with our Android Central colleagues.

For the record, a representative for HTC previously stated that it strongly encourages that users charge their phones with the adapter and cable provided in the box or ones from “reputable brands” and that its QC 3.0 execution conforms to Qualcomm spec.

Also note that Google makes a USB-C adapter that can deliver up to 60W (20V, 3A).

Source: Android Central (1, 2) , Benson Leung (Google+)

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