Founded in 2002, headquartered in South Korea, AD Semiconductor is a focus on capacitive touch sensing chip design and manufacturing, is committed to providing high quality and low cost interface solutions for customers of well-known manufacturers. AD Semi products using its proprietary technology, reliable judgment to achieve key and provide the ability to drift compensation, the change was completely inhibited for temperature, humidity, power supply voltage fluctuations and other environmental factors may influence the interference. Capacitive touch products can touch touch buttons, touch sliders, touch wheel and touch panel touch sensing function. It is widely used in home appliance, consumer electronics, medical treatment, power supply, automobile and industrial control equipment and so on.