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.
R3130N29EC3-TR-FE Features
R3130N29EC3-TR-FE Applications
There are a lot of RICOH Electronic Devices Co., LTD. R3130N29EC3-TR-FE Voltage Supervisors applications.