There is a Tape & Reel (TR)-packaging method applied to IC management. It also contains ICs of other kinds, such as POWER SUPPLY SUPPORT CIRCUIT, which are included in the power management.
XC6136C15BMR-G Features
XC6136C15BMR-G Applications
There are a lot of Torex Semiconductor Ltd XC6136C15BMR-G Voltage Supervisors applications.