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

4. Application