This can be found in the Tape & Reel (TR) package.Identify its related parts based on the base part number LP3922.For it to work, 49 pins are required.
LP3922RLX-B/NOPB Features
LP3922RLX-B/NOPB Applications
There are a lot of Texas Instruments LP3922RLX-B/NOPB Battery Chargers ICs applications.