Touch IC

1. Touch IC GT1151QM Overview

GT1151QM is a new generation 10-point capacitive touch solution designed for 5”~6” TP, with 16 drive channels and 29 sensing channels to meet higher touch precision requirements. In addition to satisfying the basic high-precision touch control, GT1151QM  also provides differentiated functions such as glove operation and full-screen multi-stroke custom gesture wake-up.

2. Product Features

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

• Touch scanning frequency: ≤120Hz
• Real-time output of touch point coordinates
• Unified software version is suitable for mutual capacitance screens of various sizes
• Single power supply, built-in 1.8V LDO
• Flash process, support online programming

 Capacitive touch sensor

• Detection channels: 45
• Capacitive screen size range: 5”~6”
• Support FPC button design
• Support both ITO glass and ITO Film
• Cover Lens thickness support: 0.4mm≦glass≦2mm, 0.4mm≦acrylic≦1.2mm
• Built-in frequency hopping function, support OGS full fit

 Custom gesture wake-up

• Fixed gestures o, w, m, e, c, v, >, s, ↑, ↓, ←, →, ^, <,
  single double click
• 10 multi-stroke custom gestures
• Provide so algorithm library for AP development

 Environmental adaptability

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

 Host interface

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

 Power supply voltage:

• Single supply:2.8V/3.0V/3.3V

 Package: 58 pins，QFN 6×6×*0.60mm，Pin pitch 0.35mm

 Tools that supports application development:

• 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 documentation

3. Touch IC GT1151QM Application

Support common TP structures