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E-mail:info@kdtic.com

Phone: +86-137 2430 2997

Touch IC

Goodix Touch IC GT928 10-Point Capacitive Touch IC

GT928 is a new generation of 10-point capacitive touch solution specially designed for 7”-10.1”, with 32 driving channels and 24 sensing channels to meet higher touch precision requirements. GT928 can identify the real-time and accurate position, movement track and touch area of 10 touch points at the same time. And according to the requirements of the main control, the touch information of the corresponding points can be read.

SKU GT928 Category Tags , ,

Goodix Touch IC GT928 10-Point Capacitive Touch Chips

1.Product Overview

GT928 is a new generation of 10-point capacitive touch solution specially designed for 7”-10.1”, with 32 driving channels and 24 sensing channels to meet higher touch precision requirements. GT928 can identify the real-time and accurate position, movement track and touch area of 10 touch points at the same time. And according to the requirements of the main control, the touch information of the corresponding points can be read.

2. Features

Touch Points10 Ponits
Detection channel32(Drive channel)*24(Induction channel)
Capacitor screen size range7”-10.1”
Operating temperature-40℃~+85℃,humidity:<= ≦ 95%RH
Communication InterfaceStandard I2C Slave operating mode 1.8-3.3V interface level
voltageSingle power supply: 2.8-3.3V
Power rippleVpp≦ 50mV
Form Factor68 pins, 8mm*8mm QFN_0.4P
Touch scanning frequency100HZ

 Built-in capacitance detection circuit and high-performance MPU

  •  Touch scanning frequency: 100Hz
  • Real-time output of touch point coordinates
  • Unified software version is suitable for capacitive screens of various sizes
  • Single power supply, built-in 1.8V LDO
  • Flash process, support online programming
  • HotKnot function

 Capacitive screen sensor

  • Detection channel: 32 (drive channel) * 24 (sensing channel)
  • Capacitive screen size range: 7”~10.1”
  • Support FPC button design
  • Support both ITO glass and ITO Film
  • Cover Lens thickness support: 0.55mm≦glass≦2mm, 0.5mm≦acrylic≦1.2mm
  • Built-in frequency hopping function, support OGS full fit

 Hot Knot

  • Transmission speed: 7.0Kbps(max)
  • Maximum capacity of data frame: 128 byte
  • Applicable sensor type: OGS/traditional GFF/GG/GF

 Environmental adaptability

  • Initialize automatic calibration
  • Automatic temperature drift compensation
  • Working temperature: -40℃~85℃, humidity: ≦95%RH
  • Storage temperature: -60℃~125℃, humidity: ≦95%RH

 Communication interface

  • Standard I2C communication interface
  • Slave working mode
  • Support 1.8V~3.3V interface level

 Response time

  • Green mode: <48ms
  • Sleep mode: <200ms
  • Initialization: <200ms

 Power supply voltage:

  • Single power supply: 2.8V~3.3V

 Power supply ripple: Vpp≦50mV
 Package: 68 pins, 8mm*8mm QFN_0.4P
 Application development support tools

  • Touch screen module parameter detection and automatic generation of configuration parameters
  • Touch screen module performance comprehensive test tool
  • Module mass production test tool
  • Main control software development reference driver code and document guidance

3. Application

GT928 can be used for mass market products, such as tablets, POS terminals, laptops, mobiles, recreational machines, industrial devices, etc
Kingdom-tech is the authorized distributor of Goodix, any question, please contact us by email, info@kdtic.com

 

Additional information

Channels

32Tx*20Rx

Report Rate

100Hz

Package

QFN68

Interface

I2C

Chip Size

8*8*0.8mm

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