Terminology
PMIC is an abbreviation meaning "Power Management Integrated Circuit". IC's of this type integrate one or more power supplies, power supervisor, and power control circuits. Example of PMIC is TPS650732 IC, used in the AM3517 SAU-Module.
SAU-Module is the Sauris GmbH product which is the finished solution for building of various devices based on high perfomance ARM Cortex-A8 CPU. SAU-Module integrates CPU (AM3517 or AM3505), PMIC (TPS650732), RAM, ROM and a set of various peripherals in the small sized SO-DIMM form factor. CPU type, memory size and set of peripherals can be configured by the customer.
More information you can find here and here.