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. 768-0776
Mfr. Part No.AR1021-I/SS
BrandMicrochip
TWD63
Each (In a Pack of 2)
units
140sps 10 bit SPI Resistive 4-Wire, 5-Wire, 8-Wire Surface Mount SSOP 20 2.5 → 5 V 7.5 x 5.6 x 1.85mm 7.5mm 5.6mm 1.85mm +85 °C
New
RS Stock No. 178-4997
Mfr. Part No.AR1021-I/SS
BrandMicrochip
TWD54
Each (In a Tube of 67)
units
140sps 10 bit SPI Resistive 4-Wire, 5-Wire, 8-Wire Surface Mount SSOP 20 2.5 → 5 V 7.5 x 5.6 x 1.85mm 7.5mm 5.6mm 1.85mm +85 °C
RS Stock No. 162-4135
Mfr. Part No.ADS7843E
TWD86
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. 738-0167
Mfr. Part No.AT42QT1070-SSU
BrandMicrochip
TWD47
Each (In a Pack of 2)
units
- - Serial-I2C - - Surface Mount SOIC 14 1.8 → 5.5 V 8.74 x 3.99 x 1.5mm 8.74mm 3.99mm 1.5mm +85 °C
RS Stock No. 922-1219
Mfr. Part No.AT42QT1110-AU
BrandMicrochip
TWD39
Each (On a Reel of 2000)
units
- - SPI - - Surface Mount TQFP 32 3 → 5.5 V 7.1 x 7.1 x 1.05mm 7.1mm 7.1mm 1.05mm +85 °C
RS Stock No. 125-4201
Mfr. Part No.CY8CMBR2044-24LKXI
TWD91
Each (In a Pack of 5)
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. 738-0160
Mfr. Part No.AT42QT1110-AU
BrandMicrochip
TWD69
Each (In a Pack of 2)
units
- - SPI - - Surface Mount TQFP 32 3 → 5.5 V 7.1 x 7.1 x 1.05mm 7.1mm 7.1mm 1.05mm +85 °C
RS Stock No. 171-0956
Mfr. Part No.CY8CMBR2044-24LKXI
TWD55
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. 378-1752
Mfr. Part No.ADS7843E
TWD106
Each
units
125ksps 12 bit - - - Surface Mount SSOP 16 - 5 x 4 x 1.5mm 5mm 4mm 1.5mm +85 °C
RS Stock No. 922-1228
Mfr. Part No.AT42QT1070-SSU
BrandMicrochip
TWD33
Each (On a Reel of 3000)
units
- - Serial-I2C - - Surface Mount SOIC 14 1.8 → 5.5 V 8.74 x 3.99 x 1.5mm 8.74mm 3.99mm 1.5mm +85 °C
RS Stock No. 810-3930
Mfr. Part No.MTCH6102-I/SS
BrandMicrochip
TWD49
Each (In a Pack of 5)
units
- - - - - Surface Mount SSOP 28 - 10.5 x 5.6 x 1.85mm 10.5mm 5.6mm 1.85mm +85 °C
RS Stock No. 687-8635
Mfr. Part No.AR1010-I/SS
BrandMicrochip
TWD66
Each
units
- 10 bit UART Resistive 4-Wire, 5-Wire, 8-Wire Surface Mount SSOP 20 3.3 → 5 V 7.2 x 5.3 x 1.75mm 7.2mm 5.3mm 1.75mm +85 °C
RS Stock No. 125-4145
Mfr. Part No.CY8C20180-SX2I
TWD75
Each (In a Pack of 5)
units
- - Serial-I2C Capacitive 2-Wire Surface Mount SOIC 16 2.4 → 5.25 V 9.98 x 3.98 x 1.48mm 9.98mm 3.98mm 1.48mm +85 °C
RS Stock No. 459-516
Mfr. Part No.TSC2046EIPW
TWD92
Each
units
- - - - - Surface Mount TSSOP 16 - 5 x 4.4 x 1.15mm 5mm 4.4mm 1.15mm +85 °C
RS Stock No. 171-4178
Mfr. Part No.BU21025GUL-E2
BrandROHM
TWD35
Each (In a Pack of 5)
units
43.48ksps 12 bit Serial-I2C Resistive 4-Wire Surface Mount VCSP50L2 12 3 V 2 x 1.5 x 0.45mm 2mm 1.5mm 0.45mm +85 °C
RS Stock No. 171-4175
Mfr. Part No.BU21023MUV-E2
BrandROHM
TWD107
Each (In a Pack of 2)
units
- 10 bit - Resistive 4-Wire Surface Mount VQFN028V5050 28 3 V 5 x 5 x 0.98mm 5mm 5mm 0.98mm +85 °C
RS Stock No. 923-6766
Mfr. Part No.ADS7845E
TWD285
Each (In a Tube of 75)
units
- - - - - Surface Mount SSOP 16 - 5 x 4 x 1.5mm 5mm 4mm 1.5mm +85 °C
RS Stock No. 687-8503
Mfr. Part No.AR1020-I/SO
BrandMicrochip
TWD67
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. 121-9146
Mfr. Part No.TSC2007IPW
TWD70
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. 171-0929
Mfr. Part No.CY8C20347S-24LQXI
TWD105
Each (In a Tray of 490)
units
- - - - - Surface Mount QFN 24 - 4 x 4 x 0.55mm 4mm 4mm 0.55mm +85 °C