Hello,
My Motorola phone supports "Turbo" charging, apparently charging my phone at 9-12V after establishing a secret handshake with the charger.
Is there a chip that performs this authentication?
I'd like to build a car charger for my phone without blowing it up, but I haven't seen any sample schematics.
All I've seen is a reference to a Qualcomm patent:
Apparently Turbopower is compatible with the Qualcomm method.
Oh! I found this too, which mentions details on the secret handshake:
but this seems odd to build a boost converter to boost 5V to 12V, especially if vehicle power is available at 12-14V already.
Any suggestions?
Thanks,
Michael