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. 171-4183
Mfr. Part No.BU21028FV-ME2
BrandROHM
$3.095
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. 185-1344
Mfr. Part No.BU21024FV-ME2
BrandROHM
$5.85
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. 177-1836
Mfr. Part No.AR1021-I/SO
BrandMicrochip
$2.74
Each (In a Pack of 5)
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
RS Stock No. 922-2981
Mfr. Part No.ADS7846N
$5.528
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
New
RS Stock No. 188-5351
Mfr. Part No.CY8C20110-SX2I
$3.881
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. 171-0932
Mfr. Part No.CY8C20467S-24LQXI
$7.182
Each (In a Tray of 490)
units
- - - - - Surface Mount QFN 32 - 5 x 5 x 0.53mm 5mm 5mm 0.53mm +85 °C
RS Stock No. 171-4088
Mfr. Part No.BU21027MUV-E2
BrandROHM
$1.915
Each (On a Reel of 2500)
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. 177-3364
Mfr. Part No.AT42QT1010-MAHR
BrandMicrochip
$0.862
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. 177-2764
Mfr. Part No.AT42QT1010-MAHR
BrandMicrochip
$0.855
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. 185-1347
Mfr. Part No.BU21026MUV-E2
BrandROHM
$1.824
Each (In a Pack of 5)
units
- 12 bit - Resistive 2-Wire Surface Mount VQFN020V4040 20 3 V 4 x 4 x 1mm 4mm 4mm 1mm +85 °C
RS Stock No. 185-1341
Mfr. Part No.BU21021GUL-E2
BrandROHM
$3.87
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. 133-1746
Mfr. Part No.QT60168-ASG
BrandMicrochip
$8.17
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. 185-1355
Mfr. Part No.BU21078FV-E2
BrandROHM
$2.55
Each (In a Pack of 5)
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. 125-4141
Mfr. Part No.CY8C20110-LDX2I
$4.09
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. 823-7730
Mfr. Part No.AR1011-I/SO
BrandMicrochip
$2.678
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. 185-1261
Mfr. Part No.BU21024FV-ME2
BrandROHM
$3.553
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. 125-4145
Mfr. Part No.CY8C20180-SX2I
$4.18
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. 177-0883
Mfr. Part No.MTCH105-I/ML
BrandMicrochip
$1.552
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. 125-4144
Mfr. Part No.CY8C20121-SX1I
$3.088
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. 462-4313
Mfr. Part No.TSC2200IPW
$8.51
Each
units
- - - - - Surface Mount TSSOP 28 - 9.7 x 4.4 x 1.15mm 9.7mm 4.4mm 1.15mm +85 °C
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