There is a Tape & Reel (TR)-packaging method applied to IC management. As specified in the package specification, the peak reflow temperature of the package is set at NOT SPECIFIED. It also contains ICs of other kinds, such as POWER SUPPLY SUPPORT CIRCUIT, which are included in the power management.
R3130N22EC-TR-FE Features
R3130N22EC-TR-FE Applications
There are a lot of RICOH Electronic Devices Co., LTD. R3130N22EC-TR-FE Voltage Supervisors applications.