T&L Publications

I appreciate your input Chris, but why would i want to spend the extra money on other batterys that i will need to change in time. I like philba's approach though. I went online and am going to test out one of the dc to dc units they have. However, i would love to be about to make my own dc to dc co...

That is correct, I have a line of trucks that i need to develope a converter to convert the trucks 24 volt supply to power my 12 volt 700ma electronics. And I have to pull it from the ignition system, so pulling power off of one battery is not an option.

I have looked all over the net but can seem to find a good enough converter. Im looking for a circuit to pull 12 volt 1a through a 24 volt truck ignition system. And it has to be the ignition system. Preferably a circuit that wont get too hot and wont need a large expesive heat sink. Cost is very im...