Touch Screen Sensor ICs

Touch screen sensor ICs (integrated circuits) also known as touch screen controllers are types of semiconductor devices that convert user actions on a screen to signals that can be read by a device. They have been designed to detect the input of the touch sensor built on the LCD. Touch screen controllers are considered the standard in the manufacturing and engineering industries where display screens act as control panels for machinery and specialised equipment.

How does a touch screen sensor IC work?

Touch screen sensor ICs 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. Some types of these ICs can also have a pen stylus interrupt input. This feature adds the benefit of low power mode by only operating the touchscreen when the stylus pen is being utilised.

Types of touch screen sensor ICs

Touch screen sensor ICs are available in different types such as;

Capacitive touch screen controllers – These ICs designed to be 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 – these ICs 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 the processing of data.

Both capacitive and resistive touchscreen devices have a digitised. The touch screen digitiser is an IC that’s designed to convert analogue touch comments into digital signals.

These type of ICs are also offered with a range of different interface types such as UART(Universal asynchronous receiver-transmitter), serial, SPI (Serial Peripheral Interface) and Serial SPI. They are also offered with a variety of a number of pins constructed on the IC itself.

Applications of touch screen sensor ICs

Touch screen sensor ICs are widely used in a variety of applications such;

  • Mobile phones
  • Touch screen monitors
  • Tablet devices
  • Point-of-sale terminals
  • ATM machines

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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 Sensor Type Width Height
RS Stock No. 709-6815
Mfr. Part No.AD7843ARUZ
kr 27,40
Each
Units
125ksps 12 bit - - - Surface Mount TSSOP 16 - 5 x 4.4 x 1.05mm 5mm Touch Screen Digitisers 4.4mm 1.05mm
RS Stock No. 178-4997
Mfr. Part No.AR1021-I/SS
BrandMicrochip
kr 15,226
Each (In a Tube of 67)
Units
140sps 10 bit SPI Resistive 4-Wire, 5-Wire, 8-Wire Surface Mount SSOP 20 2.5 to 5 V 7.5 x 5.6 x 1.85mm 7.5mm Touch Screen Controllers 5.6mm 1.85mm
RS Stock No. 185-1355
Mfr. Part No.BU21078FV-E2
BrandROHM
kr 18,068
Each (In a Pack of 5)
Units
- 8 bit - Capacitive 2-Wire Surface Mount SSOP-B 28 3 to 5.5 V 10.35 x 5.6 x 1.15mm 10.35mm Touch Screen Controllers 5.6mm 1.15mm
RS Stock No. 177-1836
Mfr. Part No.AR1021-I/SO
BrandMicrochip
kr 17,85
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 Touch Screen Controllers 7.5mm 2.35mm
RS Stock No. 177-2764
Mfr. Part No.AT42QT1010-MAHR
BrandMicrochip
kr 4,249
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 Touch Screen Controllers 2mm 0.55mm
RS Stock No. 768-0767
Mfr. Part No.AR1011-I/SS
BrandMicrochip
kr 10,825
Each (In a Pack of 2)
Units
140sps 10 bit UART Resistive 4-Wire, 5-Wire, 8-Wire Surface Mount SSOP 20 2.5 to 5 V 7.5 x 5.6 x 1.85mm 7.5mm Touch Screen Controllers 5.6mm 1.85mm
RS Stock No. 185-1261
Mfr. Part No.BU21024FV-ME2
BrandROHM
kr 28,147
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 Touch Screen Controllers 5.6mm 1.15mm
New
RS Stock No. 215-5776
Mfr. Part No.CY8CMBR3108-LQXIT
kr 12,062
Each (On a Reel of 2500)
Units
- 7 bit I2C Capacitive 2-Wire - QFN 16 - - - - - -
RS Stock No. 133-1747
Mfr. Part No.QT60240-ISG
BrandMicrochip
kr 23,155
Each (In a Pack of 2)
Units
- 10 bit I2C, Serial-SPI Spread-Spectrum Charge-Transfer Hard-Wire Surface Mount MLF 32 1.8 to 5.25 V 5 x 5 x 0.95mm 5mm Touch Screen Controllers 5mm 0.95mm
RS Stock No. 125-4141
Mfr. Part No.CY8C20110-LDX2I
kr 30,984
Each (In a Pack of 5)
Units
- - Serial-I2C Capacitive 2-Wire Surface Mount QFN 16 2.4 to 5.25 V 3 x 3 x 0.55mm 3mm Touch Screen Controllers 3mm 0.55mm
RS Stock No. 905-3167
Mfr. Part No.MTCH105-I/ST
BrandMicrochip
kr 8,208
Each (In a Pack of 10)
Units
- - Simple I/O Capacitive - Surface Mount TSSOP 14 2.05 to 3.6 V 5.1 x 4.5 x 1.05mm 5.1mm Touch Screen Controllers 4.5mm 1.05mm
RS Stock No. 178-8813
Mfr. Part No.TSC2046IPW
kr 26,091
Each (In a Tube of 90)
Units
- - - - - Surface Mount TSSOP 16 - 5 x 4.4 x 1.15mm 5mm Touch Screen Controllers 4.4mm 1.15mm
RS Stock No. 194-9161
Mfr. Part No.CY8CMBR3106S-LQXI
kr 17,659
Each (In a Tray of 490)
Units
- - - Capacitive 2-Wire Surface Mount QFN 24 1.71 to 5.5 V 4 x 4 x 0.55mm 4mm Touch Screen Controllers 4mm 0.55mm
RS Stock No. 165-4088
Mfr. Part No.MTCH105-I/ST
BrandMicrochip
kr 7,18
Each (In a Tube of 96)
Units
- - Simple I/O Capacitive - Surface Mount TSSOP 14 2.05 to 3.6 V 5.1 x 4.5 x 1.05mm 5.1mm Touch Screen Controllers 4.5mm 1.05mm
RS Stock No. 194-9160
Mfr. Part No.CY8CMBR3002-SX1I
kr 10,73
Each (In a Pack of 10)
Units
- - - Capacitive 2-Wire Surface Mount SOIC 8 1.71 to 5.5 V 4.97 x 3.98 x 1.47mm 4.97mm Touch Screen Controllers 3.98mm 1.47mm
New
RS Stock No. 215-5777
Mfr. Part No.CY8CMBR3108-LQXIT
kr 22,786
Each (In a Pack of 5)
Units
- 7 bit I2C Capacitive 2-Wire - QFN 16 - - - - - -
RS Stock No. 193-8497
Mfr. Part No.CY8CMBR3102-SX1IT
kr 16,916
Each (In a Pack of 5)
Units
- - I2C Capacitive 2-Wire Surface Mount SOIC 8 1.8 V 4.97 x 3.98 x 1.47mm 4.97mm Touch Screen Controllers 3.98mm 1.47mm
RS Stock No. 145-9032
Mfr. Part No.MTCH6102-I/SS
BrandMicrochip
kr 11,727
Each (In a Tube of 47)
Units
- - - - - Surface Mount SSOP 28 - 10.5 x 5.6 x 1.85mm 10.5mm Touch Screen Controllers 5.6mm 1.85mm
RS Stock No. 146-0306
Mfr. Part No.MTCH108-I/SS
BrandMicrochip
kr 8,001
Each (In a Tube of 67)
Units
- - Simple I/O Capacitive - Surface Mount SSOP 20 2.05 to 3.6 V 7.5 x 5.6 x 1.85mm 7.5mm Touch Screen Controllers 5.6mm 1.85mm
RS Stock No. 193-8494
Mfr. Part No.CY8CMBR3002-SX1IT
kr 11,937
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 Touch Screen Controllers 3.98mm 1.47mm