BCM5324MKPBG Overview
The 400-BGA package contains it. It should be able to operate on a 1.2V 2.5VV power supply.
BCM5324MKPBG Features

BCM5324MKPBG Applications
There are a lot of Broadcom Limited
BCM5324MKPBG Controllers Interface ICs applications.

Desktop PCs
Notebook PCs
Notebook Docking stations
LAN Servers
PC Motherboards
0 to 10V Dimming Luminaires
Dimmable LED Power Supply
Dimming Control Devices
Commercial LED Lighting
Smart LED Lighting

Factory Lead Time	22 Weeks
Package / Case	400-BGA
Supplier Device Package	400-BGA
Published	2001
Part Status	Active
Moisture Sensitivity Level (MSL)	3 (168 Hours)
Voltage - Supply	1.2V 2.5V
Function	Switch
Interface	SPI
Protocol	Ethernet
Standards	IEEE 802.3, 10/100/1000 Base-T/TX PHY
RoHS Status	ROHS3 Compliant