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庫存編號 125-4201
製造零件編號CY8CMBR2044-24LKXI
HK$25.74
/個 (每包:5個)
單位
- - UART Capacitive - Surface Mount QFN 16 1.71 to 5.5 V 3 x 3 x 0.55mm 3mm Touch Screen Controllers 3mm 0.55mm
RS庫存編號 687-8503
製造零件編號AR1020-I/SO
BrandMicrochip
HK$17.10
單位
- 10 bit SPI Resistive 4-Wire, 5-Wire, 8-Wire Surface Mount SOIC 20 3.3 → 5 V 12.8 x 7.5 x 2.05mm 12.8mm Touch Screen Controllers 7.5mm 2.05mm
RS庫存編號 185-1347
製造零件編號BU21026MUV-E2
BrandROHM
HK$12.432
/個 (每包:5個)
單位
- 12 bit - Resistive 2-Wire Surface Mount VQFN020V4040 20 3 V 4 x 4 x 1mm 4mm Touch Screen Controllers 4mm 1mm
RS庫存編號 183-1838
製造零件編號AD7843ARQZ
HK$27.058
/個 (每包:5個)
單位
125ksps 12 bit - - - Surface Mount QSOP 16 Single 5 x 4.01 x 1.65mm 5mm Touch Screen Digitisers 4.01mm 1.65mm
RS庫存編號 193-8493
製造零件編號CY8CMBR3002-SX1IT
HK$4.774
個 (在毎卷:2500)
單位
- - 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庫存編號 194-9158
製造零件編號CY8CMBR2016-24LQXI
HK$36.575
/個 (每包:2個)
單位
- - - Capacitive - Surface Mount QFN 48 1.71 to 5.5 V 6 x 6 x 0.55mm 6mm Touch Screen Controllers 6mm 0.55mm
RS庫存編號 185-1351
製造零件編號BU21029GUL-E2
BrandROHM
HK$18.416
/個 (每包:5個)
單位
- 12 bit - Resistive 2-Wire Surface Mount VCSP50L2 50 3 V 2 x 2 x 0.55mm 2mm Touch Screen Controllers 2mm 0.55mm
RS庫存編號 177-1439
製造零件編號AR1021-I/SO
BrandMicrochip
HK$15.687
毎管:38 個
單位
- 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庫存編號 127-6595
製造零件編號AT42QT1010-TSHR
BrandMicrochip
HK$5.109
/個 (每包:10個)
單位
- 14 bit Digital Output Spread-Spectrum Charge-Transfer - Surface Mount SOT-23 6 1.8 to 5.5 V 2.05 x 2 x 0.55mm 2.05mm Touch Screen Controllers 2mm 0.55mm
RS庫存編號 193-8494
製造零件編號CY8CMBR3002-SX1IT
HK$9.249
/個 (每包:10個)
單位
- - 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庫存編號 127-6604
製造零件編號AT42QT2120-XU
BrandMicrochip
HK$12.432
/個 (每包:5個)
單位
- - Serial-I2C Spread-Spectrum Charge-Transfer - Surface Mount TSSOP 20 1.8 to 5.5 V 6.5 x 4.5 x 1.05mm 6.5mm Touch Screen Controllers 4.5mm 1.05mm
RS庫存編號 911-5647
製造零件編號AR1100-I/SS
BrandMicrochip
HK$17.016
毎管:67 個
單位
- 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 Touch Screen Controllers 5.6mm 1.85mm
RS庫存編號 905-3163
製造零件編號MTCH102-I/MS
BrandMicrochip
HK$5.644
/個 (每包:10個)
單位
- - Simple I/O Capacitive - Surface Mount MSOP 8 2.05 to 3.6 V 3 x 3 x 0.95mm 3mm Touch Screen Controllers 3mm 0.95mm
RS庫存編號 661-3536
製造零件編號TSC2003IPW
HK$37.10
單位
- - - - - Surface Mount TSSOP 16 - 5 x 4.4 x 1.15mm 5mm Touch Screen Controllers 4.4mm 1.15mm
RS庫存編號 127-6599
製造零件編號AT42QT1060-MMU
BrandMicrochip
HK$19.30
/個 (每包:2個)
單位
- 8 bit Serial-I2C Spread-Spectrum Charge-Transfer - Surface Mount QFN 28 1.8 to 5.5 V 4.05 x 4.05 x 0.95mm 4.05mm Touch Screen Controllers 4.05mm 0.95mm
RS庫存編號 171-0956
製造零件編號CY8CMBR2044-24LKXI
HK$15.337
Each (In a Tray of 490)
單位
- - UART Capacitive - Surface Mount QFN 16 1.71 to 5.5 V 3 x 3 x 0.55mm 3mm Touch Screen Controllers 3mm 0.55mm
RS庫存編號 715-3915
製造零件編號AT42QT1012-TSHR
BrandMicrochip
HK$5.11
單位
- 9 bit Serial Capacitive 2-Wire Surface Mount SOT-23 6 1.8 → 5.5 V 3 x 1.75 x 1.3mm 3mm Touch Screen Controllers 1.75mm 1.3mm
RS庫存編號 127-6600
製造零件編號AT42QT1070-SSUR
BrandMicrochip
HK$8.55
/個 (每包:5個)
單位
- - Serial-I2C Spread-Spectrum Charge-Transfer - Surface Mount SOIC 14 1.8 to 5.5 V 8.748 x 3.998 x 1.499mm 8.748mm Touch Screen Controllers 3.998mm 1.499mm
RS庫存編號 188-5351
製造零件編號CY8C20110-SX2I
HK$20.538
毎管:48 個
單位
- - Serial-I2C Capacitive 2-Wire Surface Mount SOIC 16 5.25 (Maximum) V 9.98 x 3.98 x 1.48mm 9.98mm Touch Screen Controllers 3.98mm 1.48mm
RS庫存編號 905-3167
製造零件編號MTCH105-I/ST
BrandMicrochip
HK$7.488
/個 (每包:10個)
單位
- - 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