Tagged Questions

1
vote
1answer
296 views

how can I made a 12vdc to 19vdc booster/regulator?

This is a fairly specific question, but I think the answer could probably be applied to various voltages. I would like to make a circuit that will take in a 12-14volt source (from a lead acid) that ...
0
votes
1answer
245 views

Building a simple switching regulator for DC12V -> DC5V

I want to build a circuit that provides USB power from a 12V battery (lipo or car battery). I have an iPad that draws 2A from its charger: So I'd like to get up to 10W output. What's a good choice ...
5
votes
4answers
439 views

I want to build a DC powered computer, what are the gotchas, where are the parts?

Google builds its servers with a Battery in the box so that they don't need a UPS. I'm wanting to do the same, but I'm wondering what all the gotchas might be for doing this, and where I'll find the ...
3
votes
5answers
2k views

how to build a high-power (4kW) switched-mode DC-DC converter?

I would like to build a switched-mode DC-to-DC converter which should support up to 4000 W of power. It should be able to act as a CCCV power-supply, so supply a constant current Imax up to the point ...
5
votes
5answers
5k views

12V DC UPS for Network Equipment

Many times we want to kept running low power devices like DSL modems, etc. Most of these devices take 12V/9V DC so why to use ordinary UPS which convert AC to DC to AC, lots of conversion lots of ...