The TTP223E-HA6 is a touch screen controller IC manufactured by Tontek. It is designed for capacitive touch sensing in applications such as touch switches and sensors. The IC has 6 pins in a SOT-23-6 footprint and is RoHS compliant. It is a low power, low cost, and high performance solution for touch sensing. The IC features an adjustable sensitivity, a wide range of operating voltage and TTL outputs. It is able to accurately detect a finger pressing or swiping on a touch surface. The device can be used in a wide variety of applications, including consumer electronics, automotive, industrial control, medical, and more.