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
New
RS Stock No. 193-8493
Mfr. Part No.CY8CMBR3002-SX1IT
HK$4.743
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. 127-6599
Mfr. Part No.AT42QT1060-MMU
BrandMicrochip
HK$18.74
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. 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. 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. 171-4180
Mfr. Part No.BU21027MUV-E2
BrandROHM
HK$21.39
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. 171-0956
Mfr. Part No.CY8CMBR2044-24LKXI
HK$16.77
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
New
RS Stock No. 193-8494
Mfr. Part No.CY8CMBR3002-SX1IT
HK$10.573
Each (In a Pack of 10)
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. 171-4089
Mfr. Part No.BU21028FV-ME2
BrandROHM
HK$12.961
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. 145-6685
Mfr. Part No.TSC2046EIPW
HK$13.61
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. 178-5769
Mfr. Part No.BU21029MUV-E2
BrandROHM
HK$20.54
Each (In a Pack of 5)
units
- 12 bit - Resistive 4-Wire Surface Mount VQFN 20 3 V 4 x 4 x 0.98mm 4mm 4mm 0.98mm +85 °C
RS Stock No. 125-4145
Mfr. Part No.CY8C20180-SX2I
HK$23.156
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. 177-2764
Mfr. Part No.AT42QT1010-MAHR
BrandMicrochip
HK$4.16
Each (On a Reel of 3000)
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. 768-0767
Mfr. Part No.AR1011-I/SS
BrandMicrochip
HK$15.23
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. 165-2152
Mfr. Part No.MTCH6301-I/PT
BrandMicrochip
HK$19.491
Each (In a Tray of 160)
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. 133-1746
Mfr. Part No.QT60168-ASG
BrandMicrochip
HK$46.85
Each
units
- 11 bit SPI Spread-Spectrum Charge-Transfer Hard-Wire Surface Mount TQFP 32 3 → 5.25 V 7.1 x 7.1 x 1.05mm 7.1mm 7.1mm 1.05mm +105 °C
RS Stock No. 185-1261
Mfr. Part No.BU21024FV-ME2
BrandROHM
HK$19.961
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. 171-4087
Mfr. Part No.BU21025GUL-E2
BrandROHM
HK$5.389
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. 823-7730
Mfr. Part No.AR1011-I/SO
BrandMicrochip
HK$16.60
Each (In a Pack of 5)
units
140sps 10 bit UART Resistive 4-Wire, 5-Wire, 8-Wire Surface Mount SOIC 20 2.5 → 5.25 V 12.8 x 7.5 x 2.35mm 12.8mm 7.5mm 2.35mm +85 °C
RS Stock No. 177-3364
Mfr. Part No.AT42QT1010-MAHR
BrandMicrochip
HK$5.03
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. 177-1439
Mfr. Part No.AR1021-I/SO
BrandMicrochip
HK$15.327
Each (In a Tube of 38)
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
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