13 ms·
This is not true of most chargers. It is true of some devices that they look for the data lines to have some voltage rather than be left floating. There are 6
by ctz 12y ago
This is not true of most chargers. It is true of some devices that they look for the data lines to have some voltage rather than be left floating. There are 6 different 'standards' for this so you end up needing an IC like this[1] to detect which one the device is using.
Note: USB-PD changes the game a huge amount. You do need to speak USB to upgrade power there. But I've yet to see USB-PD in the flesh.
[1]: http://www.ti.com/lit/ds/slvsby8b/slvsby8b.pdf http://www.ti.com/lit/ds/slvsby8b/slvsby8b.pdf
- lockedusb 12y agoActually this is true for MOST charger, the one that don't usually end up overheating and having a very short life spam. the reason why most people think this is the case is because when the device cannot be identify the charger default to the the data line shorted and to provide the typical power for which ti was design. https://lockedusb.com/pages/ https://lockedusb.com/pages/