I'm not looking for recommendations but simply the existence of such a chip, I know where to look for them but want to make sure they do not just exist in my imagination.
I want to use a supercap as not just back up power, but a main source. I want to use a 5V, 12f one, and the cost at this point is of no concern.
There are a plethora of problems associated with supercaps, with voltage dropping being one. And I want a smooth, constant 3.3v output from the super cap.
So I'm thinking, there has to be a chip somewhere which not just monitors the power left, how long it takes to charge it fully, but also manages its output? I.e make sure the output stays @ 3.3V for a very long time before going under?
I could be wrong. I need confirmation?