A Tape & Reel (TR) package is used to package the power management. There are other types of IC included in the power managment ic, such as types POWER SUPPLY SUPPORT CIRCUIT.
XC6135C39C9R-G Features
XC6135C39C9R-G Applications
There are a lot of Torex Semiconductor Ltd XC6135C39C9R-G Voltage Supervisors applications.