Tool/software:

https://web.archive.org/web/20240224101831/https://e2e.ti.com/blogs_/archives/b/fullycharged/posts/understanding-battery-charger-features-and-charging-topologies

Here is a wonderful blog containing battery charging topologies from the web archive.

Why did ti remove blog posts containing information? There are also great blogs out there saying that fully differential amplifiers can be used without negative rails and that the Spice models use a voltage controlled voltage source to emulate the differential voltage. What is the reason for this?

Don't we have a chance to access these blogs again?