Here is an application note from Texas Instruments on how to power various systems required for portable media players. These devices require several different voltages, multiple power sources, as well as integrated battery charging.
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It seems obvious this note relates to a particular million-pin single chip solution, however it fails to mention which one.
http://www.ti.com/product/lp3910#relprod
The first paragraph mentions the LP3910 as an example. Maybe could be more explicitly stated…