STMPE321QTR Overview
Packages are made with materials from Tape & Reel (TR). Surface Mount is needed to mount it on the PCB. 12-UFQFN is extremely popular in the electronic industry due to its low package cost. Providing the 1.65V~1.95V Supply Voltage ensures the device's normal operation. There are inputs of 3. In standard grade applications, it is classified as Type Buttons. You should keep it at -40°C~85°C at all times when it is operational. Due to its high cost-down performance ratio, the S-Touch™ Series provides the best value on the market. Part resolution is 7 b. It is set to 280μA for its supply current. The structure is constructed by using terminations of 12. 12 remains the pin number of the component. The gadget's main component is characteriSTMPE321ed by the number STMPE321. There must be more voltage present in the supply, Vsup, than volts consumed, 1.65V. The Supply Voltage (Vsup) reaches maximum value when 1.95V is reached. In addition to the 12 pin, there are some other uses as well.
STMPE321QTR Features
12-UFQFN package
12 pins

STMPE321QTR Applications
There are a lot of STMicroelectronics
STMPE321QTR Capacitive Sensors applications.

Material Stack Height
Level Sensor for Liquids, including Conductive ones such as Detergent, Soap, and Ink
Collision Avoidance
Rain, Fog, Ice, Snow Sensor
Automotive Door and Kick Sensors
Compact Capacitive Keyboards
Remote Control Trackpads
Appliances
Navigation devices
Kiosks and POS terminals

Mounting Type	Surface Mount
Package / Case	12-UFQFN
Surface Mount	YES
Number of Pins	12
Operating Temperature	-40°C~85°C
Packaging	Tape & Reel (TR)
Series	S-Touch™
Part Status	Obsolete
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Number of Terminations	12
Type	Buttons
Voltage - Supply	1.65V~1.95V
Terminal Position	QUAD
Number of Functions	1
Terminal Pitch	0.4mm
Base Part Number	STMPE321
Pin Count	12
Supply Voltage-Max (Vsup)	1.95V
Power Supplies	1.8V
Supply Voltage-Min (Vsup)	1.65V
Interface	I2C
Operating Supply Current	280μA
Nominal Supply Current	280μA
Data Rate	100 kbps
Number of Inputs	3
Resolution	7 b
Proximity Detection	No
Length	2.2mm
Height Seated (Max)	0.6mm
Width	1.5mm
REACH SVHC	No SVHC
RoHS Status	ROHS3 Compliant
Lead Free	Lead Free