20 Channel Capacitive Touch Controller with Integrated LED Driver

The LDS6120 PureTouch® capacitive touch sensor IC is a highly integrated solution that includes an integrated keypad LED driver with integrated visual effects. The device contains 20 capacitive sensor input pins, 10 of which may also be optionally configured for use as keypad LED drivers, with the other 10 optionally configurable as Direct Communication Mode (DCM) outputs to emulate mechanical button operation.


  • 20 touch sensor channels
  • 2ms update rate per active sensor
  • Built-in Slider/Scroll Support
  • Configurable hysteresis and debounce
  • Integrated LED drivers with configurable visual effects
  • 1.65-5.5v supply voltage
  • <125uW (full power), <50uW (low power)
  • I2C, SPI, SMBus serial I/F options with VDDIO
  • DCM Outputs
  • TQFN and SSOP packages available

Product Options

Orderable Part ID Pkg. Code Pkg. Type Lead Count (#) Temp. Grade Pb (Lead) Free Carrier Type Buy Sample
LDS6120NQGI8 NQG40 VFQFPN 40 I Yes Reel Availability
LDS6120PVGI8 PVG48 SSOP 48 I Yes Reel Availability

Technical Documentation

Title Other Languages Type Format File Size Date
Datasheets & Errata
LDS6100 Family Datasheet (Rev 0.7 April 2012) Datasheet PDF 711 KB Apr 16, 2012
Application Notes & White Papers
LDS610x Family AN2 Ref Code and Initialization Application Note PDF 1.77 MB Dec 11, 2012
PCN# : A1711-01 Add ASECL as Alternate Assembly for Select Devices Product Change Notice PDF 30 KB Feb 11, 2018
PCN# : A1504-04 Assembly Transfer from Amkor Philippines to OSE Taiwan Product Change Notice PDF 484 KB Jul 1, 2015
PCN# : A1304-01 Alternate Assembly for LDS6120PVGI, LDS6120PVGI8 Product Change Notice PDF 84 KB Apr 27, 2013
IDT Pure Touch Product Selector Guide Misc PDF 19 KB Jan 26, 2011
LDS6100-6120 Register Document (Rev 0.3 - Apr 2010) Report PDF 238 KB Apr 4, 2010
IDT Touch 6100/6120 Family flyer Flyer PDF 1022 KB Dec 17, 2009