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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Description Price Conversion Rate Resolution Interface Type Sensing Technology Sensing Wire Type Mounting Type Package Type Pin Count Typical Operating Supply Voltage Dimensions Length Width Height Maximum Operating Temperature
RS Stock No. 923-3741
Mfr. Part No.ADS7846E
SGD5.89
Each (In a Tube of 75)
units
125ksps 12 bit - - - Surface Mount SSOP 16 - 5 x 4 x 1.5mm 5mm 4mm 1.5mm +85 °C
RS Stock No. 660-7571
Mfr. Part No.ADS7846E
SGD6.95
Each
units
125ksps 12 bit - - - Surface Mount SSOP 16 - 5 x 4 x 1.5mm 5mm 4mm 1.5mm +85 °C
RS Stock No. 905-3167
Mfr. Part No.MTCH105-I/ST
BrandMicrochip
SGD1.28
Each (In a Pack of 10)
units
- - Simple I/O Capacitive - Surface Mount TSSOP 14 2.05 → 3.6 V 5.1 x 4.5 x 1.05mm 5.1mm 4.5mm 1.05mm +85 °C
RS Stock No. 193-8494
Mfr. Part No.CY8CMBR3002-SX1IT
SGD1.683
Each (In a Pack of 10)
units
- - I2C Capacitive 2-Wire Surface Mount SOIC 8 1.8 V 4.97 x 3.98 x 1.47mm 4.97mm 3.98mm 1.47mm +85 °C
RS Stock No. 127-6599
Mfr. Part No.AT42QT1060-MMU
BrandMicrochip
SGD3.51
Each (In a Pack of 2)
units
- 8 bit Serial-I2C Spread-Spectrum Charge-Transfer - Surface Mount QFN 28 1.8 → 5.5 V 4.05 x 4.05 x 0.95mm 4.05mm 4.05mm 0.95mm +85 °C
RS Stock No. 171-0956
Mfr. Part No.CY8CMBR2044-24LKXI
SGD2.95
Each (In a Tray of 490)
units
- - UART Capacitive - Surface Mount QFN 16 1.71 → 5.5 V 3 x 3 x 0.55mm 3mm 3mm 0.55mm +85 °C
RS Stock No. 185-1261
Mfr. Part No.BU21024FV-ME2
BrandROHM
SGD3.568
Each (On a Reel of 2000)
units
- 10 bit - Resistive - Surface Mount SSOP-B 28 3 V 10.35 x 5.6 x 1.15mm 10.35mm 5.6mm 1.15mm +85 °C
RS Stock No. 920-1066
Mfr. Part No.CY8C20237-24LKXI
SGD3.468
Each (In a Tray of 490)
units
23.43ksps 8 bit Serial-I2C Capacitive 2-Wire Surface Mount QFN 16 1.71 → 5.5 V 3 x 3 x 0.55mm 3mm 3mm 0.55mm +85 °C
RS Stock No. 177-3364
Mfr. Part No.AT42QT1010-MAHR
BrandMicrochip
SGD0.843
Each (In a Pack of 20)
units
- 14 bit Digital Output - - Surface Mount UDFN/USON 8 1.8 V 2.05 x 2 x 0.55mm 2.05mm 2mm 0.55mm +85 °C
RS Stock No. 905-3163
Mfr. Part No.MTCH102-I/MS
BrandMicrochip
SGD0.93
Each (In a Pack of 10)
units
- - Simple I/O Capacitive - Surface Mount MSOP 8 2.05 → 3.6 V 3 x 3 x 0.95mm 3mm 3mm 0.95mm +85 °C
RS Stock No. 177-0487
Mfr. Part No.MTCH105-I/ML
BrandMicrochip
SGD1.131
Each (In a Tube of 91)
units
- - - Capacitive - Surface Mount QFN 16 3.6 V 4 x 4 x 0.95mm 4mm 4mm 0.95mm +85 °C
RS Stock No. 178-8813
Mfr. Part No.TSC2046IPW
SGD3.611
Each (In a Tube of 90)
units
- - - - - Surface Mount TSSOP 16 - 5 x 4.4 x 1.15mm 5mm 4.4mm 1.15mm +85 °C
RS Stock No. 185-1355
Mfr. Part No.BU21078FV-E2
BrandROHM
SGD2.796
Each (In a Pack of 5)
units
- 8 bit - Capacitive 2-Wire Surface Mount SSOP-B 28 3 → 5.5 V 10.35 x 5.6 x 1.15mm 10.35mm 5.6mm 1.15mm +85 °C
RS Stock No. 715-3915
Mfr. Part No.AT42QT1012-TSHR
BrandMicrochip
SGD0.85
Each
units
- 9 bit Serial Capacitive 2-Wire Surface Mount SOT-23 6 1.8 → 5.5 V 3 x 1.75 x 1.3mm 3mm 1.75mm 1.3mm +85 °C
RS Stock No. 743-4747
Mfr. Part No.AR1100-I/SS
BrandMicrochip
SGD3.05
Each (In a Pack of 2)
units
- 10 bit SPI Resistive 4-Wire, 5-Wire, 8-Wire Surface Mount SSOP 20 5 V 7.5 x 5.6 x 1.85mm 7.5mm 5.6mm 1.85mm +85 °C
RS Stock No. 146-0306
Mfr. Part No.MTCH108-I/SS
BrandMicrochip
SGD1.34
Each (In a Tube of 67)
units
- - Simple I/O Capacitive - Surface Mount SSOP 20 2.05 → 3.6 V 7.5 x 5.6 x 1.85mm 7.5mm 5.6mm 1.85mm +85 °C
RS Stock No. 127-6600
Mfr. Part No.AT42QT1070-SSUR
BrandMicrochip
SGD1.368
Each (In a Pack of 5)
units
- - Serial-I2C Spread-Spectrum Charge-Transfer - Surface Mount SOIC 14 1.8 → 5.5 V 8.748 x 3.998 x 1.499mm 8.748mm 3.998mm 1.499mm +85 °C
RS Stock No. 905-3176
Mfr. Part No.MTCH108-I/SS
BrandMicrochip
SGD1.368
Each (In a Pack of 10)
units
- - Simple I/O Capacitive - Surface Mount SSOP 20 2.05 → 3.6 V 7.5 x 5.6 x 1.85mm 7.5mm 5.6mm 1.85mm +85 °C
RS Stock No. 133-1747
Mfr. Part No.QT60240-ISG
BrandMicrochip
SGD4.04
Each (In a Pack of 2)
units
- 10 bit I2C, Serial-SPI Spread-Spectrum Charge-Transfer Hard-Wire Surface Mount MLF 32 1.8 → 5.25 V 5 x 5 x 0.95mm 5mm 5mm 0.95mm +85 °C
RS Stock No. 127-6595
Mfr. Part No.AT42QT1010-TSHR
BrandMicrochip
SGD0.846
Each (In a Pack of 10)
units
- 14 bit Digital Output Spread-Spectrum Charge-Transfer - Surface Mount SOT-23 6 1.8 → 5.5 V 2.05 x 2 x 0.55mm 2.05mm 2mm 0.55mm +85 °C
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