In package Tape & Reel (TR), buck boost converter is included.In this case, voltage regulator has been packaged in the same way as 8-PowerSOIC (0.154, 3.90mm Width).A mounting hole is provided for Surface Mount to mount this current regulator.Moreover, current regulator is part of the STPW12 family.
STPW12PHR Features
Tape & Reel (TR) package STPW12 family
STPW12PHR Applications
There are a lot of STMicroelectronics STPW12PHR Current Regulation/Managements applications.