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Capacitive controllers facilitate touch interface design

28 Nov 2013

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Microchip Technology has released a series of turnkey capacitive touch controllers intended to ease the task of designing affordable but aesthetically pleasing touch interfaces. The CAP1203, CAP1293, CAP1206, CAP1296, CAP1208 and CAP1298 controllers, are sold in 8- to 16-pin packages and cater primarily to the consumer electronics and automotive markets.

The CAP12XX family provides designers with improved proximity performance and 3.3V to 5V operation. It is also a lower-cost option, when integrated LED drivers are not required. Applicable to tablet PCs, printers, automotive interior controls, central stack and overhead lights, this product line "is a perfect complement to Microchip's mTouch firmware-based solutions," said Fanie Duvenhage, director of Microchip's Human-Machine Interface Division.

All CAP12XX capacitive touch controllers are already available for sampling and volume production, starting at $0.37 each in 10,000-unit quantities. The CAP1203 and CAP1293 are available in 2x3 mm, 8-pin TDFN packages, while the CAP1206 and CAP1296 are available in 3x3 mm, 10-pin DFN packages. The CAP1208 and CAP1298 are available in 3x3 mm, 16-pin QFN packages.

In support of the new devices, Microchip also introduced the CAP1298 Evaluation Board (part # DM160223, $89.99) and CAP1188 Evaluation Board (part # DM160222, $89.99), which are both available for purchase today.




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