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Touch IC

GA6873 Goodix Touch IC 10-Point Capacitive Touch Controller for Automotives

GA6873 is designed for the displays up to 12.3” (8:3 and pitch<5.5mm) or up to 15.6” (16:9 and pitch<6.5mm) in automotive electronics market.

SKU GA6873 Category Tags , ,

Goodix Touch IC GA6873 10-Point Capacitive Touch Controller for Automotives

1.GA6873 Overview

GA6873 is designed for the displays up to 12.8” (1.1:1 and pitch<5.5mm) or up to 17” (16:9 and pitch<6.5mm) in automotive electronics market. The Rx channels can be multiplexed in long strip display applications, such as the application of 12.3” (Length:600mm; Width:110mm) long strip display. It contains 44 transmitter channels and 49 receiver channels to provide real-time and accurate position authentication, movement track and touch area of 10 touch points. In addition, it features with excellent noise immunity and supports functions such as thick cover, waterproof, gloves input, and touch keys.


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

  • AEC-Q100 Grade 2
  • IATF 16949
  • Report rate: finger touch, 200Hz(Max.)
  • High-voltage drive signal output, high SNR
  • Supports Mul-cap and Sel-cap detection
  • Outputs touch coordinates or capacitance test result in real time
  • Flash embedded, in-system reprogrammable
  • Unified software applicable to mutual capacitive touch sensors of various sizes

 Capacitive touch sensor

  • Channels: 44Tx *49 Rx, 9 channels can be converted to each other, that is, the channels can be

converted into 42T×51R/40T×53R/38T×55R/36T×57R/35T×58R

  • Capacitive touch sensor sizes: ≤12.8” (8:3 and pitch<5.5mm) or ≤17” touch displays (16:9

and pitch<6.5mm)

  • Supports PG/GG/GF2/GFF/OGS/Oncell displays
  • Supports rigid display Oncell, Amoled Outcell and LCD display
  • Supports 10 touch keys
  • Supports thick cover
  • Supports glove input
  • Supports Hover function
  • Supports AD temperature detection function
  • Various GPIO ports: support backlight, PWM sound feedback and other function

 Smart wake-up

 Environmental adaptability

  • Self-calibration during initialization
  • Operating temperature: -40℃~+105℃
  • Storage temperature: -60℃~+150℃
  • ESD: HBM 5kV

 Communication interface

  • I 2C: 400KHz(Typ.), work as slave
  • Supports IIC Master interface
  • Supports 1.8V to 3.3V host interface voltage

 Power supply voltage:

  • Power supply (Typ.): AVDD/DVDD1833:2.8V/3.0V/3.3V

 Package: 176PINS, LQFP_20×20 mm, pitch0.4mm

 Tools that support application development:

  • Touch panel parameter detector and generator
  • Touch panel performance tester
  • Mass production test kit
  • Reference driver code and guidance files for host-side software development
Part NumberTouch PointsChannelsScreen SizeTouch KeySupport OS SystemAEC-Q100Package
GA68731044Tx*49Rx<1710Windows / Android / LinuxGrade2QFP

3. Appication:

For Automotive

Our all-in-one touch control solution for automotive supports LCD, AMOLED, On-cell screen, and capacitive buttons, and can be adapted to many different screen ratios. So far, it has been widely commercialized by mainstream car manufacturers worldwide.



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