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Touch IC

Goodix Touch IC GT9110 10-Point Capacitive Touch Chip for Mobile Devices

Touch IC GT911, a new-generation 5-point capacitive touch solution designed for 7” to 8” MID,

consists of up to 26 Transmitter electrodes and 14 Receiver electrodes to provide higher

touch accuracy.

Touch IC GT911 supports up to 5 concurrent touches with real-time tracking of accurate position and motion trajectory as well as touch area. Furthermore, it is able to report such information to

the host as required.

SKU GT9110 Category Tags , ,

1. Touch IC GT9110 Overview

GT9110, a new-generation single-chip 10-point capacitive touch solution designed for tablets, consists of up to 42 Transmitter electrodes and 30 Receiver electrodes to provide higher accuracy and resolution.

GT9110 supports up to 10 concurrent touches with real-time tracking of accurate position and motion

trajectory as well as touch area. Furthermore, it is able to report such information to the host as required.

2. Touch IC GT9110 Product Features

 Built-in capacitive sensing circuit and high-performance MPU

  •  Report rate: 100Hz
  • Outputs touch coordinates in real time
  • Uniformed software applicable to capacitive touch screens of various sizes
  • Single power supply, internal 1.8V LDO
  • Flash embedded; In-system reprogrammable
  • HotKnot integrated

 Capacitive touch sensor

  •  Channels: 42 (Tx channels)*30 (Rx channels)
  • Supports capacitive touch screen sizes: 7” to 12.1”
  • Supports touch key design on FPC
  • Supports ITO glass and ITO Film
  • Cover Lens thickness supported: 0.55mm ≦ Glass ≦ 2mm,

0.5mm ≦PMMA ≦ 1.2mm,

  • Adaptive frequency hopping
  • Supports OGS full lamination

 HotKnot

  • Transmission rate:7.0Kbps(max)
  • Data frame maximum capacity:128 bytes
  • Applicable sensor stackups: OGS/traditional GFF/GG/GF

 Environmental adaptability

  • Self-calibration during initialization
  • Automatic drift compensation
  • Operating temperature: -40℃ to +85℃; humidity: ≦95%RH
  • Storage temperature: -60℃ to +125℃; humidity: ≦95%RH

 Host interface

  • Standard I2C interface
  • Works in slave mode
  • Supports 1.8V to 3.3V host interface voltage

  Response time

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

 Power supply voltage:

  • Single supply: 2.8V to 3.3V

 Power supply ripple:

  • Vpp≦50mV

 Package: 52 pins, 6mm*6mm*0.8mm, QFN_0.4P

 Tools that supports application development:

  • Touch panel module parameter detector and generator
  • Touch panel performance tester
  • Mass production test kit
  • Reference driver code and documentary guide for host software development

3. GT9110 Touch Key Design

Touch IC GT9110 supports a maximum of 4 touch keys in the following two ways:

1) Sensor extension: Take one Tx channel as a common line for the touch keys and connect the Tx channel to four Rx channels to form four touch keys. The touch keys must not share their Tx channel with the touch screen. However, Rx channels have to be shared.

2) Touch key design on FPC: Connect one separate Tx channel to four Rx channels to form

four touch keys. The touch keys have to share their Rx channels with the touch screen.

Touch key pattern on FPC should be designed independently.

Touch IC GT9110 Application

Smart devices such as mobile phones, tablets, laptops, POS

AIoT devices such as wearables, hearables, smart home

Automobile screens, factory-installed products and aftermarket installed products

Industrial devices, etc

Application for Smart Phones

Smartphones have become an essential part of our lives, from daily communication to entertainment. Goodix is engaged in technological innovation that drives the development of the smartphone industry and aims to satisfy the needs of global consumers to achieve the ultimate user experience. We are committed to providing industry-leading products, including fingerprint authentication solutions, touch solutions, time-of-flight (ToF) ranging solutions, light sensors, eSE/NFC security solutions, audio amplifiers, and voice & audio software that satisfy the demands of global customers with even more differentiated value.

Application for Automobiles

We offer high-performance touch controller, fingerprint solutions, and touch key MCU for automotive, as well as in-vehicle voice enhancement solution, giving users an unmatched in-vehicle experience that is convenient and secure. Our innovative product portfolio has passed the automotive industry testing to meet the high standard and reliability requirements, and have been widely adopted by domestic and foreign mainstream automotive brands and Tier1 automotive suppliers for mass production.

 

Additional information

Channels

26Tx*14Rx

Report Rate

100Hz

Package

QFN52

Interface

I2C

Chip Size

6*6*0.8mm

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