IC Identification, pt. 2:

Monolithic Power Systems MP2949A tri-loop digital multi-phase controller w/ PMBus interface

Monolithic Power Systems NB681 6 A synchronous buck converter

Monolithic Power Systems NB679A and NB680GD 8 A synchronous buck converter

Monolithic Power Systems NB685A 12 A synchronous buck converter

Monolithic Power Systems MP86901-A and MP86902-B power phase

Texas Instruments CSD87334Q3D 20 A power block

Texas Instruments TLV62085 3 A step-down converter