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I was following the circuitry by great Scott for the DIY buck converter here: https://www.youtube.com/watch?v=m8rK9gU30v4 . Created a converter that gives 0-23V on 24V supply.

After this i wanted to add different current limits to this buck converter such as 1/2/3/4/5 Amps for charging different li-ion battery pack. For that i am going to follow this"Traditional method of implementing CC/CV"here:

https://e2e.ti.com/blogs_/b/powerhouse/archive/2017/11/24/how-to-design-a-simple-constant-current-constant-voltage-buck-converter

also have seen this video on adding a current limit to a buck boost converter: https://www.youtube.com/watch?v=8uoo5pAeWZI

with the shunt resistor and all.

Thing is I cannot even understand how is the Traditional method of implementing CC/CV working here and how to approach this software wise.

A more in depth explanation could be quite helpful and any type of suggestions regarding any other way would be highly appreciated.

Thanks

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