UPD720115K8-711-BAK-A Overview
It is a part of the 40-VFQFN Exposed Pad package. This packaging has a Tray-shape, making it convenient to carry around. A reliable operation requires a temperature that is regulated to -40°C~85°C. It should work as long as you use a 5VV power source. Among other things, it contains 40 terminations. 5V is the supply voltage that enables high efficiency. There are a total of BUS CONTROLLER, UNIVERSAL SERIAL BUS GPIOs, uCs, and peripheral ICs in this gadget.
UPD720115K8-711-BAK-A Features

UPD720115K8-711-BAK-A Applications
There are a lot of Renesas Electronics America
UPD720115K8-711-BAK-A Controllers Interface ICs applications.

Dimmable LED Power Supply
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

Factory Lead Time	20 Weeks
Package / Case	40-VFQFN Exposed Pad
Surface Mount	YES
Operating Temperature	-40°C~85°C
Packaging	Tray
Published	2015
Part Status	Active
Moisture Sensitivity Level (MSL)	3 (168 Hours)
Number of Terminations	40
HTS Code	8542.31.00.01
Voltage - Supply	5V
Terminal Position	QUAD
Terminal Form	NO LEAD
Peak Reflow Temperature (Cel)	NOT SPECIFIED
Supply Voltage	5V
Time@Peak Reflow Temperature-Max (s)	NOT SPECIFIED
JESD-30 Code	S-XQCC-N40
Function	Hub Controller
uPs/uCs/Peripheral ICs Type	BUS CONTROLLER, UNIVERSAL SERIAL BUS
Protocol	USB
Standards	USB 2.0
RoHS Status	ROHS3 Compliant