Does a cigarette lighter-USB adapter exist in nature?

Question

Iron

Hello. I'm looking for a 12v cigarette lighter to usb adapter. Like the one in the picture, only the output should be USB, and the input should be 12v. Thank you!

Answer 1

First, reformulate the question, as I also misunderstood you at first. Secondly - with a probability of 99% - does not exist, and in the remaining theoretical 1% there is a serious danger. The fact is that the cigarette lighter socket is designed for a fairly large consumer power, up to ~ 150 watts. USB provides very little power - 2.5 watts in version 2.0 and 4.5 watts in version 3.0. So, by plugging such an adapter into USB and into it - a regular consumer for a cigarette lighter, you will either ensure the protection is triggered, or burn the USB port.
If the question is actually "Where can I get 12 volts and a cigarette lighter socket at home", then the answer to it is simple - in any ATX power supply, any yellow wire is +12 volts, black is ground. By connecting the socket to them in the correct polarity (the central contact is "+") - you will receive the necessary power, and the power of any modern PSU is quite sufficient.

Answer 2

in the picture the input is 12V and the output is 5V, what you need :)