W83L539SG Overview
There is a copy of it in the 128-LQFP package. It is easy to carry thanks to its Tube-shaped packaging.
W83L539SG Features

W83L539SG Applications
There are a lot of Nuvoton Technology Corporation of America
W83L539SG Controllers Interface ICs applications.

Dimming Control Devices
Commercial LED Lighting
Smart LED Lighting
Portable Appliances
Battery-Operated Devices
Cellular Data Devices
Factory Automation and Process Controls
IrDA transmission control
Remote transmission formatter
Docking

Package / Case	128-LQFP
Supplier Device Package	128-LQFP (14x20)
Packaging	Tube
Published	2004
Part Status	Obsolete
Moisture Sensitivity Level (MSL)	3 (168 Hours)
RoHS Status	RoHS Compliant