There is a package called BGA that contains it, and you can find it there. Easily transportable packaging in Tray-shape. 400 pins are used to operate the device.
BCM53283MKPBG Features
BCM53283MKPBG Applications
There are a lot of Broadcom Limited BCM53283MKPBG Controllers Interface ICs applications.
Power Banks
Smart Cities
Set-Top Boxes
DC?DC Car Chargers for Individual Port Power Control