The recommended alternative touch controller is ATMXT2952TD. Microchip's maXTouch® family is known for its superior performance and rich feature set. The mXT3432S is optimized for touchscreens up to 17.3" and enables shieldless designs, in addition to its superior performance, multi-touch functionality, faster response time and robust operation. Support: off the shelf maXTouch standard modules are available to help shorten development time and reduce risk. Microchip also has a strong selection of factory trained global touch sensor module partners to help support custom touch sensor and/or touchscreen display designs.