Touch Screen Controllers

Touch screen controllers are data converters which convert user actions on a screen to signals that can be read by a device. These controllers plug into sensors that communicate touch actions electronically, enabling the use of a touch screen device as an input mechanism in place of a mouse or keypad.

What are touch screen controllers used for?
Touch screen controllers are used in ATMs and point of sale equipment as well as in smart technology devices such as tablets, mobile phones, laptops and Kindles. Touch screen controllers are also standard in the manufacturing and engineering industries where display screens act as control panels for machinery and specialised equipment.

Types of touch screen controllers
Touch screen controllers come in two types: capacitive and resistive.

  • Capacitive touch screen controllers are compatible with screen panels coated with indium tin dioxide. The film coating conducts a constant electrical current across a sensor to pick up on any change in electrical charge when the screen is touched.
  • Resistive touch screen controllers produce an electrically resistive layer. The changes in resistance on this layer are identified as touch events, which are picked up by the controller for processing of data.
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Part Details Brand Conversion Rate Resolution Interface Type Sensing Technology Sensing Wire Type Package Type Pin Count Typical Operating Supply Voltage Dimensions Length Width Height Maximum Operating Temperature Minimum Operating Temperature
AT42QT1010-MAHR, Touch Controller IC, 14 bit Digital Output, 8-Pin UDFN/USON Microchip Technology - 14 bit Digital Output - - UDFN/USON 8 1.8 V 2.05 x 2 x 0.55mm 2.05mm 2mm 0.55mm +85 °C -40 °C
MTCH105-I/ML, Capacitive Touch Controller IC, 16-Pin QFN Microchip Technology - - - Capacitive - QFN 16 3.6 V 4 x 4 x 0.95mm 4mm 4mm 0.95mm +85 °C -40 °C
AR1021-I/SO, Resistive Touch Screen Controller, 10 bit I2C, SPI 4-Wire, 5-Wire, 8-Wire, 20-Pin SOIC Microchip Technology - 10 bit I2C, SPI Resistive 4-Wire, 5-Wire, 8-Wire SOIC 20 - 12.8 x 7.5 x 2.35mm 12.8mm 7.5mm 2.35mm +85 °C -40 °C
AR1011-I/SO, Resistive Touch Screen Controller, 10 bit 140sps UART 4-Wire, 5-Wire, 8-Wire, 20-Pin SOIC Microchip 140sps 10 bit UART Resistive 4-Wire, 5-Wire, 8-Wire SOIC 20 2.5 → 5.25 V 12.8 x 7.5 x 2.35mm 12.8mm 7.5mm 2.35mm +85 °C -40 °C
AR1020-I/SO, Resistive Touch Screen Controller, 10 bit SPI 4-Wire, 5-Wire, 8-Wire, 20-Pin SOIC Microchip - 10 bit SPI Resistive 4-Wire, 5-Wire, 8-Wire SOIC 20 3.3 → 5 V 12.8 x 7.5 x 2.05mm 12.8mm 7.5mm 2.05mm +85 °C -40 °C
AR1021-I/SO, Resistive Touch Screen Controller, 10 bit I2C, SPI 4-Wire, 5-Wire, 8-Wire, 20-Pin SOIC Microchip Technology - 10 bit I2C, SPI Resistive 4-Wire, 5-Wire, 8-Wire SOIC 20 - 12.8 x 7.5 x 2.35mm 12.8mm 7.5mm 2.35mm +85 °C -40 °C
AR1021-I/SS, Resistive Touch Screen Controller, 10 bit 140sps SPI 4-Wire, 5-Wire, 8-Wire, 20-Pin SSOP Microchip 140sps 10 bit SPI Resistive 4-Wire, 5-Wire, 8-Wire SSOP 20 2.5 → 5 V 7.5 x 5.6 x 1.85mm 7.5mm 5.6mm 1.85mm +85 °C -40 °C
AT42QT1010-MAHR, Touch Controller IC, 14 bit Digital Output, 8-Pin UDFN/USON Microchip Technology - 14 bit Digital Output - - UDFN/USON 8 1.8 V 2.05 x 2 x 0.55mm 2.05mm 2mm 0.55mm +85 °C -40 °C
BU21029MUV-E2, Resistive Touch Controller IC, 12 bit 4-Wire, 20-Pin VQFN
  • € 2.74
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  • RS Stock No. 178-5644
  • Brand ROHM
  • Mfr. Part No. BU21029MUV-E2
ROHM - 12 bit - Resistive 4-Wire VQFN 20 3 V 4 x 4 x 0.98mm 4mm 4mm 0.98mm +85 °C -20 °C
BU21029MUV-E2, Resistive Touch Controller IC, 12 bit 4-Wire, 20-Pin VQFN
  • RS Stock No. 178-5769
  • Brand ROHM
  • Mfr. Part No. BU21029MUV-E2
ROHM - 12 bit - Resistive 4-Wire VQFN 20 3 V 4 x 4 x 0.98mm 4mm 4mm 0.98mm +85 °C -20 °C
MTCH105-I/ML, Capacitive Touch Controller IC, 16-Pin QFN Microchip Technology - - - Capacitive - QFN 16 3.6 (Maximum) V 4 x 4 x 0.95mm 4mm 4mm 0.95mm +85 °C -40 °C
AT42QT1060-MMU, Spread-Spectrum Charge-Transfer Touch Screen Controller, 8 bit Serial-I2C, 28-Pin QFN Microchip Technology - 8 bit Serial-I2C Spread-Spectrum Charge-Transfer - QFN 28 1.8 → 5.5 V 4.05 x 4.05 x 0.95mm 4.05mm 4.05mm 0.95mm +85 °C -40 °C
QT60240-ISG, Spread-Spectrum Charge-Transfer Touch Screen Controller, 10 bit I2C, Serial-SPI Hard-Wire, 32-Pin MLF Microchip Technology - 10 bit I2C, Serial-SPI Spread-Spectrum Charge-Transfer Hard-Wire MLF 32 1.8 → 5.25 V 5 x 5 x 0.95mm 5mm 5mm 0.95mm +85 °C -40 °C
CY8C20110-SX2I, Capacitive Touch Screen Controller Serial-I2C 2-Wire, 16-Pin SOIC Cypress Semiconductor - - Serial-I2C Capacitive 2-Wire SOIC 16 2.4 → 5.25 V 9.98 x 3.98 x 1.48mm 9.98mm 3.98mm 1.48mm +85 °C -40 °C
MTCH6102-I/SS, Touch Screen Controller, 28-Pin SSOP Microchip - - - - - SSOP 28 - 10.5 x 5.6 x 1.85mm 10.5mm 5.6mm 1.85mm +85 °C -40 °C
CY8C20180-SX2I, Capacitive Touch Screen Controller Serial-I2C 2-Wire, 16-Pin SOIC Cypress Semiconductor - - Serial-I2C Capacitive 2-Wire SOIC 16 2.4 → 5.25 V 9.98 x 3.98 x 1.48mm 9.98mm 3.98mm 1.48mm +85 °C -40 °C
CY8C20247S-24LKXI, System-On-Chip, 16-Pin QFN Cypress Semiconductor - - - - - QFN 16 - 3 x 3 x 0.55mm 3mm 3mm 0.55mm +85 °C -40 °C
CY8C20347S-24LQXI, System-On-Chip, 24-Pin QFN Cypress Semiconductor - - - - - QFN 24 - 4 x 4 x 0.55mm 4mm 4mm 0.55mm +85 °C -40 °C
PSoC CapSense Contr. SmartSense 1.8V QFN Cypress Semiconductor - - - - - QFN 32 - 5 x 5 x 0.53mm 5mm 5mm 0.53mm +85 °C -40 °C
AT42QT1010-TSHR, Spread-Spectrum Charge-Transfer Touch Screen Controller, 14 bit Digital Output, 6-Pin SOT-23 Microchip Technology - 14 bit Digital Output Spread-Spectrum Charge-Transfer - SOT-23 6 1.8 → 5.5 V 2.05 x 2 x 0.55mm 2.05mm 2mm 0.55mm +85 °C -40 °C
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