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. 171-4180
Mfr. Part No.BU21027MUV-E2
BrandROHM
PHP96.20
Each (In a Pack of 5)
units
- 12 bit Serial-I2C Resistive 4-Wire Surface Mount VQFN020V4040 20 3 V 4 x 4 x 0.98mm 4mm 4mm 0.98mm +85 °C
RS Stock No. 185-1264
Mfr. Part No.BU21078FV-E2
BrandROHM
PHP59.293
Each (On a Reel of 2000)
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. 905-3167
Mfr. Part No.MTCH105-I/ST
BrandMicrochip
PHP43.612
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. 171-4178
Mfr. Part No.BU21025GUL-E2
BrandROHM
PHP49.074
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. 171-4087
Mfr. Part No.BU21025GUL-E2
BrandROHM
PHP36.316
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. 171-4089
Mfr. Part No.BU21028FV-ME2
BrandROHM
PHP79.131
Each (On a Reel of 2500)
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. 768-0767
Mfr. Part No.AR1011-I/SS
BrandMicrochip
PHP83.545
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. 715-3915
Mfr. Part No.AT42QT1012-TSHR
BrandMicrochip
PHP29.15
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
New
RS Stock No. 194-9160
Mfr. Part No.CY8CMBR3002-SX1I
PHP64.99
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
RS Stock No. 185-1341
Mfr. Part No.BU21021GUL-E2
BrandROHM
PHP191.23
Each (In a Pack of 2)
units
- 12 bit - Resistive - Surface Mount VCSP50L2 50 3 V 2.7 x 2.65 x 0.55mm 2.7mm 2.65mm 0.55mm +85 °C
RS Stock No. 923-6766
Mfr. Part No.ADS7845E
PHP420.309
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. 738-0167
Mfr. Part No.AT42QT1070-SSU
BrandMicrochip
PHP48.385
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. 125-4144
Mfr. Part No.CY8C20121-SX1I
PHP101.294
Each (In a Pack of 5)
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
RS Stock No. 185-1260
Mfr. Part No.BU21021GUL-E2
BrandROHM
PHP123.821
Each (On a Reel of 3000)
units
- 12 bit - Resistive - Surface Mount VCSP50L2 50 3 V 2.7 x 2.65 x 0.55mm 2.7mm 2.65mm 0.55mm +85 °C
RS Stock No. 127-6604
Mfr. Part No.AT42QT2120-XU
BrandMicrochip
PHP74.14
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. 146-0306
Mfr. Part No.MTCH108-I/SS
BrandMicrochip
PHP45.478
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. 133-1747
Mfr. Part No.QT60240-ISG
BrandMicrochip
PHP132.94
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
New
RS Stock No. 188-5351
Mfr. Part No.CY8C20110-SX2I
PHP117.599
Each (In a Tube of 48)
units
- - Serial-I2C Capacitive 2-Wire Surface Mount SOIC 16 5.25 (Maximum) V 9.98 x 3.98 x 1.48mm 9.98mm 3.98mm 1.48mm +85 °C
RS Stock No. 145-6685
Mfr. Part No.TSC2046EIPW
PHP71.448
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. 171-0932
Mfr. Part No.CY8C20467S-24LQXI
PHP251.873
Each (In a Tray of 490)
units
- - - - - Surface Mount QFN 32 - 5 x 5 x 0.53mm 5mm 5mm 0.53mm +85 °C
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