Note: Always check with the manufacturer if your pedal will run off 18 volts before you use this circuit. I am not responsible for any blue smoke, fire, cursing, and/or broken effects that may result from improper use of this layout. :D
Monday, August 17, 2015
9v to 18v Charge Pump
Most effects run off 9 volts, but a lot of them can run off 18. The Fulltone OCD, Earthquaker Devices Monarch, and the MI Audio Crunch Box are just a few examples. If you don't have an 18 volt power supply and want to get some different sounds and more headroom out of an effect, try this charge pump daughter board. It won't get you all the way to exactly 18v, but should get you pretty close. You could build it into a 1590a to have an (almost) 18 volt power supply, or build it into a pedal with a switch to toggle between 9v and 18v supply.
Note: Always check with the manufacturer if your pedal will run off 18 volts before you use this circuit. I am not responsible for any blue smoke, fire, cursing, and/or broken effects that may result from improper use of this layout. :D
Note: Always check with the manufacturer if your pedal will run off 18 volts before you use this circuit. I am not responsible for any blue smoke, fire, cursing, and/or broken effects that may result from improper use of this layout. :D
Hello, has an error (at the output of integrated pin 2) I solved it with a bridge. Greetings!
ReplyDeleteThanks for catching that. Fixed!
DeleteWhy are there 2 9v+ holes? What is the point of the extra ground holes?
ReplyDeleteCuz it doesn't hurt to have extras in case you need them.
DeleteI love this reply the most :D
DeleteJust noticed that the pcb layout here and in the transfer library don't match.
ReplyDeleteThanks for catching that. It's fixed now.
DeleteThere is still a missmatch!
ReplyDeleteI have found some ICL7660, Can I use it instead of MAX1044?
ReplyDeleteYes that should be fine.
DeleteThanks a lot!
ReplyDeleteIt works, but I highly recommend that you guys using MAX1044 instead of ICL7660.
ReplyDeleteI meant you can tag it verified matey
Deletedone this and i've got 8.5 volts, instead of 17-18 volts,whats the problem?
ReplyDeleteHow much current this pump can deliver?
ReplyDeletePerhaps a dumb question but would there be a simple way to add a 12v output also? Switchable would be ideal.
ReplyDelete