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Touch IC

Goodix Touch IC GT7385P 10-Point Capacitive Touch Single Chip Support Active Pen for Tablets

GT7385P is a new generation single-chip 10-point capacitive touch solution specially designed for tablets and notebooks, with up to 40 driving channels and 64 sensing channels to achieve high-precision touch.

SKU GT7385P Category Tags , ,

Goodix Touch IC GT7385P 10-Point Capacitive Touch Single Chip Support Active Pen for Tablets

1.GT7385P Overview

GT7385P is a new generation single-chip 10-point capacitive touch solution specially designed for tablets and notebooks, with up to 40 driving channels and 64 sensing channels to achieve high-precision touch.
It supports capacitive active pen, which can realize the fine operation of pen writing on the capacitive screen, and can provide users with a better experience.

2. GT7385P Features

 Built-in capacitance detection circuit

  • Pure hand touch scanning frequency: 100Hz
  • Simultaneous scanning frequency of hand and pen: pen 133Hz, hand 67Hz
  • 10-point touch, real-time output of touch point coordinates
  • Unified software version is suitable for capacitive screens of various sizes
  • Single power supply
  • Support online programming
  • Support Microsoft Active Pen Protocol V1.5.1

 Capacitive touch sensor

  • Channels: 40 (Tx channels)*64(Rx channels)
  • Supports capacitive touch screen sizes: ≦12″
  • Support independent button design
  • Simultaneously supports ITO glass, ITO Film and Metal mesh
  • Cover Lens thickness support: 0.55mm≦Glass≦1.1mm, (For details, please refer to Sensor Settings gauge specification)
  • Built-in frequency hopping function

 Environmental adaptability

  • Self-calibration during initialization
  • Automatic drift compensation
  • Operating temperature: -20℃ to +85℃; humidity: ≦95%RH

 Host interface

  • Standard I2C、HID-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 /3.0V/3.3V

 Package: 192 pins, BGA 6X12X0.6, Ball pitch 0.45mm

 Tools that support application development:

  • Module performance comprehensive testing tool
  • Module mass production test tool
  • Main control software driver development reference code and guidance documents

3. Electrical characteristics

Limit electrical parameters

ParameterMinMaxUnit
Analog power supply avdd (reference agnd)-0.34.2V
VDDIO(reference AGND)-0.34.2V
Digital I/O, voltage tolerance-0.34.2V
Analogy I/O, volatage tolerance-0.34.2V
Storage Temperature-60125
Welding temperature (10 seconds)260
ESD Protect the voltage(HB Model)4KV

 

4. Application

Our products are highly compatible with different types of tablets for entertainment, online teaching, business, e-books, and note-taking, providing users with comprehensive, high-precision, low-latency, and low-power consumption solutions.

 

Additional information

Channels

32Tx*20Rx

Report Rate

100Hz

Package

QFN68

Interface

I2C

Chip Size

8*8*0.8mm

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