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. 178-4997
Mfr. Part No.AR1021-I/SS
BrandMicrochip
TWD56.90
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. 768-0776
Mfr. Part No.AR1021-I/SS
BrandMicrochip
TWD62.50
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
RS Stock No. 125-4201
Mfr. Part No.CY8CMBR2044-24LKXI
TWD106.00
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. 171-0956
Mfr. Part No.CY8CMBR2044-24LKXI
TWD68.40
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. 171-4183
Mfr. Part No.BU21028FV-ME2
BrandROHM
TWD62.00
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. 922-2981
Mfr. Part No.ADS7846N
TWD139.20
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. 177-3364
Mfr. Part No.AT42QT1010-MAHR
BrandMicrochip
TWD20.30
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. 127-6600
Mfr. Part No.AT42QT1070-SSUR
BrandMicrochip
TWD33.80
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. 171-4175
Mfr. Part No.BU21023MUV-E2
BrandROHM
TWD208.00
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. 127-6599
Mfr. Part No.AT42QT1060-MMU
BrandMicrochip
TWD76.00
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. 768-0767
Mfr. Part No.AR1011-I/SS
BrandMicrochip
TWD62.50
Each (In a Pack of 2)
units
140sps 10 bit UART 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. 125-4143
Mfr. Part No.CY8C20111-SX1I
TWD58.70
Each (In a Pack of 10)
units
- - Serial-I2C Capacitive 2-Wire Surface Mount SOIC 8 2.4 → 5.25 V 4.97 x 3.98 x 1.48mm 4.97mm 3.98mm 1.48mm +85 °C
New
RS Stock No. 194-9162
Mfr. Part No.CY8CMBR3106S-LQXI
TWD101.60
Each (In a Pack of 5)
units
- - - Capacitive 2-Wire Surface Mount QFN 24 1.71 → 5.5 V 4 x 4 x 0.55mm 4mm 4mm 0.55mm +85 °C
RS Stock No. 171-4087
Mfr. Part No.BU21025GUL-E2
BrandROHM
TWD21.70
Each (On a Reel of 3000)
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. 893-8284
Mfr. Part No.MTCH6303-I/RG
BrandMicrochip
TWD129.00
Each (In a Pack of 2)
units
- 10 bit Serial-I2C Capacitive - Surface Mount QFN 64 2.3 3.6 V 9 x 9 x 0.9mm 9mm 9mm 0.9mm +85 °C
RS Stock No. 185-1344
Mfr. Part No.BU21024FV-ME2
BrandROHM
TWD146.50
Each (In a Pack of 2)
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. 687-8503
Mfr. Part No.AR1020-I/SO
BrandMicrochip
TWD68.00
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. 127-6604
Mfr. Part No.AT42QT2120-XU
BrandMicrochip
TWD51.60
Each (In a Pack of 5)
units
- - Serial-I2C Spread-Spectrum Charge-Transfer - Surface Mount TSSOP 20 1.8 → 5.5 V 6.5 x 4.5 x 1.05mm 6.5mm 4.5mm 1.05mm +85 °C
RS Stock No. 923-3741
Mfr. Part No.ADS7846E
TWD136.50
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
New
RS Stock No. 194-9160
Mfr. Part No.CY8CMBR3002-SX1I
TWD39.30
Each (In a Pack of 10)
units
- - - Capacitive 2-Wire Surface Mount SOIC 8 1.71 → 5.5 V 4.97 x 3.98 x 1.47mm 4.97mm 3.98mm 1.47mm +85 °C