- 3 Posts
Details on how the Note 3 knows to draw 2 Amps (instead of 0.9) when charging
I've looked through as many charging threads as I could find. When you short the data pins (that's the 2 center pins, right?) The Note 3 knows it's a higher amp charging rate but how does it know if it's a 0.9 USB 3 port or a 2 A wall charger? Thanks. I'm trying to get a 4 A capable USB solar charger to provide the 2 A charging rate.
- 01-08-2014, 03:13 PM #2
Re: Details on how the Note 3 knows to draw 2 Amps (instead of 0.9) when charging
The note its self doesnt know what your plugging it into.
It only knows to draw a maximum amount of 2A of power.
If you plug it into a device that only puts out 1A then the device will only get what the device can put out.
It does have current limiting technology so if you use a 4A source the phone is designed to max out at 2A. As long as your source has regulated current output and protected from surges you can use a 4A source.
Some cheaper made chargers have a tendency to have a voltage drop as the amount of current drain gets higher.
- 01-09-2014, 04:57 AM #3
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