• Author: celine
• Source: celine
• Date: 2016-11-05
• Views: 1452Times

Traditional USB charging is limited to 5 volts
and less than2 amps. In addition, the actual
power available for battery charging will be
less than 7.5 watts, taking into account
losses in the system as well as cables
and connectors.

Enter Qualcomm Quick Charge 2.0.
Designed to be scalable across different
classes of electronics, it is100% compatible
with how charging is done today.Quick Charge
2.0 is connector independent. It requires the
D+/D- data lines and can work with USB
Type-A,USB micro, USB Type-C and other
proprietary connectors. 

Unlike conventional USB charging methods,
a Quick Charge 2.0 end-to-end solution
takes advantage of higher power levels
to quickly and effectively charge devices.
Quick Charge 2.0 Class A can provide up
to 18-24 watts over a micro USB connector,
even 24-36 watts .