GT9157 Datasheet – 5-Point Capacitive Touch Controller

Part Number : GT9157

Function : 5-Point Capacitive Touch Controller for Small-Sized MID

Package : QFN 6×6 52 Pin Type

Manufactures : Goodix.com ( http://www.goodix.com/ )

Image :

gt9157-capacitive-touch-controller

Description

GT9157, a new-generation 5-point capacitive touch solution designed for 4.5” to 6” MID, consists of up to 26 Transmitter electrodes and 14 Receiver electrodes to provide higher touch accuracy. GT9157 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.

 

Pinout

gt9157-datasheet-pinout

Features

1. Report rate: 100Hz
2. Outputs touch coordinates in real time
3. Unified software applicable to capacitive touch screens of various sizes
4. Single power supply, internal 1.8V LDO
5. Flash embedded; In-system reprogrammable
6. HotKnot integrated

 

Block Diagram

gt9157-block-diagram

 

GT9157 Datasheet