Features

•

True multi-touch

–

Independent XY tracking with 10 simultaneous touches in real time

–

Supports 21TX and 40RX channels and 1 FLOAT pin

•

Single chip solution

–

Supports 5.5 inch to 7 inch screen size with 4mm sensor pitch

–

Supports thin flexible touch-display highly capacitive panel types

–

Supports LTPO display panels with dynamic refresh rates

•

Advanced Analog Front End (AFE)

–

Simultaneous mutual sensing and self-sensing support on all the channels

–

Support for thin flexible touch display modules through proprietary node

compensation hardware

–

Differential architecture with ability to configure in single-ended mode

–

Multiple scanning methods with multi-TX drive for high SNR and provide

high noise immunity

–

High drive capability charge-pump to drive high capacitive panels

•

High SNR

–

Very low intrinsic noise to improve the device SNR and provide very high

sensitivity

–

Extremely strong common mode charger noise rejection

–

Advanced filtering techniques for high noise immunity

•

SYNC support

–

Supports SYNC Mode and Non-SYNC Mode of operation

–

Supports single SYNC pin that can be used as VSYNC, HSYNC or

Embedded VSYNC

–

Useful for quad high definition display synchronization during both mutual-

sensing and self-sensing

–

Seamless support of variable display rate from 1Hz to 120Hz

•

Digital Core and Memory

–

ARM M4 core 96MHz core clock to implement all features with faster

processing

–

192KB Flash with GPIO6 dedicated pin for Flash Write enable for TEE

framework

–

Advanced differential data processing for common mode noise immunity

–

128KB RAM comprised of 64KB frame memory and 64KB data)

•

Advanced Features

–

Multi finger thick gloves, 2.5mm passive stylus, wet finger touch, water

rejection, cover mode support

–

Finger separation ≤ 10mm

–

Capacitive proximity of 20mm

•

Fast report rate

–

Flexible Report rate of 240Hz

•

Low Power

–

ST proprietary Hardware and Firmware techniques to achieve low power

Product status link

FTG2-SLP

Product summary

Order code

FTG2-SLP

Package

XFBGA87

(4.2x7x0.5mm

pitchx0.47mm max

thickness)

Packing

Tape and Reel

Channels

40 Rx and 21 Tx

Capacitive Multi-Touch Screen Controller for Thin Flexible Panels and LTPO

Panels

FTG2-SLP

Data brief

DB4705 - Rev 1 - May 2022

For further information contact your local STMicroelectronics sales office.

www.st.com