Microchip Technology

AR1100T-I/SS  

Touch Screen Controllers

AR1100T-I/SS Description

The AR1100T-I/SS from Microchip Technology is a high-performance touch screen controller designed for resistive touchscreens, supporting 4, 5, or 8-wire configurations. Part of the mTouch™ series, this surface-mount IC integrates a 10- or 12-bit ADC for precise touch detection, ensuring accurate and responsive input. It operates on a 3.3V to 5V supply with a low 25 mA current consumption, making it energy-efficient for portable and embedded systems. The device features multiple interface options, including UART, Serial, and USB, providing flexibility for diverse system integrations. Packaged in a 20-pin SSOP and available in Tape & Reel (TR), it is RoHS3 compliant and REACH unaffected, meeting stringent environmental standards.

AR1100T-I/SS Features

• High Resolution: 10/12-bit ADC ensures precise touch coordinate tracking.
• Wide Compatibility: Supports 4, 5, and 8-wire resistive touchscreens, accommodating various panel types.
• Low Power: 25 mA supply current optimizes battery life in portable devices.
• Flexible Interfaces: UART, Serial, and USB connectivity for seamless integration.
• Robust Design: Internal voltage reference eliminates external components, reducing BOM cost.
• Industry Compliance: ROHS3, REACH, and ECCN EAR99 certified for global deployment.
• Reliable Packaging: 20-SSOP with MSL1 (Unlimited) moisture sensitivity, ideal for automated assembly.

AR1100T-I/SS Applications

The AR1100T-I/SS excels in applications requiring high-accuracy touch input and low-power operation, such as:

• Industrial HMIs: Robust performance in harsh environments with resistive touch panels.
• Medical Devices: Reliable touch response for diagnostic and monitoring equipment.
• Consumer Electronics: Cost-effective solution for kiosks, POS systems, and smart appliances.
• Automotive Interfaces: Stable operation in dashboard controls and infotainment systems.
• Embedded Systems: Compact design suits space-constrained IoT and portable devices.

Conclusion of AR1100T-I/SS

The AR1100T-I/SS stands out as a versatile, efficient, and high-resolution touch controller, ideal for demanding applications. Its multi-interface support, low power consumption, and compliance with environmental standards make it a superior choice over generic alternatives. Whether for industrial, medical, or consumer use, this Microchip Technology IC delivers reliable performance, ease of integration, and cost efficiency, solidifying its position in advanced touch-enabled systems.

AR1100T-I/SS Documents

Download datasheets and manufacturer documentation for AR1100T-I/SS

PCN Assembly/Origin :

Qualification Copper Wire 20/Oct/2014      

Datasheets :

AR1100 Datasheet       ARCU User's Guide      

PCN Packaging :

Packing Changes 10/Oct/2016       Label and Packing Changes 23/Sep/2015      

Design Resources :

AR1100 Development Tool Selector       Available In the Digi-Key KiCad Library      

HTML Datasheet :

AR1100 Datasheet       ARCU User's Guide      

PCN Design/Specification :

Lead-Frame/Compound Update 27/May/2015      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH