hi:
i got a wireless charging prototype to the iphone, and draw the schematic diagram as follow. The output of Bq51013B is normal, but i have no idea about the U2.
The Device marking is "A8 E62", the package type is sot23-6. and the functions described as below:
1. No iphone connected: the voltage of U2_6Pin is 0V , Q1 Mos turn on;
2. With iphone connected:the voltage of U2_6Pin is 3V , Q1 Mos turn on;
3.When the voltage of iphone battery is incorrent , Q1 MOS may be can turn off.
if someone one know the device ,pls let me know . thanks a lot.