CP2109-A01-GMR Overview
In the 28-VFQFN Exposed Pad package, you can find it. Easily transportable packaging in Tape & Reel (TR)-shape. The temperature should be regulated to -40°C~85°C for reliable operation. You should be able to use it as long as you use a 3.3V~3.6VV power source. There are terminations of type 28 in it. When the supply voltage is 3.3V, high efficiency can be achieved. CP2109-A01 numbers are members of this family. 17mA is the supply current for the gadget. 3.3V is the power supply setting for the component.
CP2109-A01-GMR Features

CP2109-A01-GMR Applications
There are a lot of Silicon Labs
CP2109-A01-GMR Controllers Interface ICs applications.

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
Portable Appliances
Battery-Operated Devices

Factory Lead Time	6 Weeks
Package / Case	28-VFQFN Exposed Pad
Surface Mount	YES
Operating Temperature	-40°C~85°C
Packaging	Tape & Reel (TR)
Published	1997
Part Status	Not For New Designs
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Number of Terminations	28
HTS Code	8542.31.00.01
Voltage - Supply	3.3V~3.6V
Terminal Position	QUAD
Terminal Form	NO LEAD
Supply Voltage	3.3V
Terminal Pitch	0.5mm
Base Part Number	CP2109-A01
JESD-30 Code	S-PQCC-N28
Function	Bridge, USB to UART
Qualification Status	Not Qualified
Power Supplies	3.3V
Interface	UART
Operating Supply Current	17mA
Protocol	USB
Standards	USB 2.0
RoHS Status	RoHS Compliant