Atmel introduced the AT42QT101X family of single-key touch controllers for the portable device market. The AT42QT101X touch controllers offer designers power consumption below 17uA for next-generation portable touch devices, including power buttons, hearing devices, consumer toys and proximity sensors. The AT42QT101X enables longer battery life for portable devices. Atmel’s AT42QT101X devices are available now. Prices start at $0.20 for high-volume pricing. Evaluation kits are also available now.