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. 125-4142
Mfr. Part No.CY8C20110-SX2I
HK$14.518
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. 661-3536
Mfr. Part No.TSC2003IPW
HK$32.12
Each
units
- - - - - 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
HK$17.978
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. 159-7524
Mfr. Part No.MTCH6303-I/RG
BrandMicrochip
HK$28.464
Each (In a Tube of 40)
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. 768-0776
Mfr. Part No.AR1021-I/SS
BrandMicrochip
HK$14.205
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. 171-4175
Mfr. Part No.BU21023MUV-E2
BrandROHM
HK$25.79
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. 125-4141
Mfr. Part No.CY8C20110-LDX2I
HK$19.614
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
RS Stock No. 743-4747
Mfr. Part No.AR1100-I/SS
BrandMicrochip
HK$17.93
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. 127-6600
Mfr. Part No.AT42QT1070-SSUR
BrandMicrochip
HK$8.16
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. 177-0883
Mfr. Part No.MTCH105-I/ML
BrandMicrochip
HK$8.123
Each (In a Pack of 10)
units
- - - Capacitive - Surface Mount QFN 16 3.6 (Maximum) V 4 x 4 x 0.95mm 4mm 4mm 0.95mm +85 °C
RS Stock No. 185-1261
Mfr. Part No.BU21024FV-ME2
BrandROHM
HK$19.84
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. 462-4313
Mfr. Part No.TSC2200IPW
HK$58.20
Each
units
- - - - - Surface Mount TSSOP 28 - 9.7 x 4.4 x 1.15mm 9.7mm 4.4mm 1.15mm +85 °C
New
RS Stock No. 194-9160
Mfr. Part No.CY8CMBR3002-SX1I
HK$10.021
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. 171-0926
Mfr. Part No.CY8C20110-LDX2I
HK$9.239
Each (In a Tray of 490)
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
RS Stock No. 171-4183
Mfr. Part No.BU21028FV-ME2
BrandROHM
HK$16.445
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. 709-2501
Mfr. Part No.ADS7845E
HK$83.74
Each
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
HK$7.885
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. 165-4168
Mfr. Part No.MTCH102-I/MS
BrandMicrochip
HK$4.653
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. 893-8284
Mfr. Part No.MTCH6303-I/RG
BrandMicrochip
HK$31.96
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. 133-1747
Mfr. Part No.QT60240-ISG
BrandMicrochip
HK$21.87
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