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Hi everbody, since i opened the thread i wanted all of you knowing how it finally ended... In the user manual of the car there was no indication about the maximum current allowed for the USB device connected to the AUX input, so i tried and...luckly nothing exploded or went on fire... Being like...

Gunnar, I didn't for the reason you mentioned, but I wanted to warn in case someone did (as well as remind Andrea that this site is for practicing engineers and hobby projects as a first post can get you booted). MacGivers... Sorry but i don't understand what you mean...warning about what:)?

I see no reason to RF this thread Sorry but...what does RF stands for in this sentence? :)

Hi VE1BL, uyou percetly took the point...I don't mind about the communication while charging the device...i just wanted to know what is the current limit of a USB host... So do you all agree that it should be 1,5A when there is no communication? May you tell me if there is some official...

Thanks a lot for your very fast replies...but i explain you better why i'm worried about this argument. I'd like to recharge the battery of my HTC using the AUX input (actually a USB Socket)of my Ford Fiesta car , but i'm worried that HTC asking for more current than the standard one of USB may...

Hello to everybody, it's the first thread i open here, and i hope you'll be able to help me... I always knew that USB standard allows a current to be sinked of 500mA...great surprise today when i realized that connecting my HTC Tatoo to the Notebook USB port it sinked 780 mA... Am i crazy? Is...