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. 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. 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. 803-2250
Mfr. Part No.MTCH6301-I/PT
BrandMicrochip
SGD4.04
Each (In a Pack of 5)
units
- 12 bit Serial-I2C Capacitive - Surface Mount TQFP 44 2.3 → 3.6 V 10 x 10 x 1.05mm 10mm 10mm 1.05mm +85 °C
RS Stock No. 715-3915
Mfr. Part No.AT42QT1012-TSHR
BrandMicrochip
SGD0.93
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. 125-4141
Mfr. Part No.CY8C20110-LDX2I
SGD4.304
Each (In a Pack of 5)
units
- - Serial-I2C Capacitive 2-Wire Surface Mount QFN 16 2.4 → 5.25 V 3 x 3 x 0.55mm 3mm 3mm 0.55mm +85 °C
New
RS Stock No. 194-9158
Mfr. Part No.CY8CMBR2016-24LQXI
SGD4.875
Each (In a Pack of 2)
units
- - - Capacitive - Surface Mount QFN 48 1.71 → 5.5 V 6 x 6 x 0.55mm 6mm 6mm 0.55mm +85 °C
RS Stock No. 687-8503
Mfr. Part No.AR1020-I/SO
BrandMicrochip
SGD2.92
Each
units
- 10 bit SPI Resistive 4-Wire, 5-Wire, 8-Wire Surface Mount SOIC 20 3.3 → 5 V 12.8 x 7.5 x 2.05mm 12.8mm 7.5mm 2.05mm +85 °C
RS Stock No. 145-9032
Mfr. Part No.MTCH6102-I/SS
BrandMicrochip
SGD1.957
Each (In a Tube of 47)
units
- - - - - Surface Mount SSOP 28 - 10.5 x 5.6 x 1.85mm 10.5mm 5.6mm 1.85mm +85 °C
RS Stock No. 165-4168
Mfr. Part No.MTCH102-I/MS
BrandMicrochip
SGD0.817
Each (In a Tube of 100)
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. 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
New
RS Stock No. 193-8496
Mfr. Part No.CY8CMBR3102-SX1IT
SGD1.225
Each (On a Reel of 2500)
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. 177-1836
Mfr. Part No.AR1021-I/SO
BrandMicrochip
SGD2.92
Each (In a Pack of 5)
units
- 10 bit I2C, SPI Resistive 4-Wire, 5-Wire, 8-Wire Surface Mount SOIC 20 - 12.8 x 7.5 x 2.35mm 12.8mm 7.5mm 2.35mm +85 °C
RS Stock No. 171-4183
Mfr. Part No.BU21028FV-ME2
BrandROHM
SGD3.11
Each (In a Pack of 2)
units
- 12 bit Serial-I2C Resistive 4-Wire Surface Mount SSOP 20 3 V 6.5 x 4.4 x 1.15mm 6.5mm 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. 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. 125-4203
Mfr. Part No.CY8CTMG120-56LTXI
SGD14.19
Each
units
- - Serial-I2C Capacitive 2-Wire Surface Mount QFN 56 3 → 5.25 V 8.1 x 8.1 x 0.95mm 8.1mm 8.1mm 0.95mm +85 °C
RS Stock No. 922-2981
Mfr. Part No.ADS7846N
SGD5.89
Each (In a Tube of 90)
units
125ksps 12 bit - - - Surface Mount TSSOP 16 - 5 x 4.4 x 1.15mm 5mm 4.4mm 1.15mm +85 °C
RS Stock No. 185-1351
Mfr. Part No.BU21029GUL-E2
BrandROHM
SGD3.366
Each (In a Pack of 5)
units
- 12 bit - Resistive 2-Wire Surface Mount VCSP50L2 50 3 V 2 x 2 x 0.55mm 2mm 2mm 0.55mm +85 °C
RS Stock No. 165-4088
Mfr. Part No.MTCH105-I/ST
BrandMicrochip
SGD1.202
Each (In a Tube of 96)
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. 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
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