KT6740-CB1

KT6740 MPP Pen SoC Controller

KT6740 is Gen. 4.0 touch control SOC. KT6740 new AFE (Analog front end) supports mutual capacitor sensing and Microsoft PEN MPP2.0/1.51 active stylus. It supports max. CDx76 and CS x 132 channels.

Specification

●  Touch controller SOC

●  Support CD x 76 channel,  CS x 132 channel

●  Support mutual capacitor sensing with high-voltage driving

●  Support Microsoft PEN MPP2.0 and MPP1.51 protocol. Run-time auto-detect pen protocol

●  CPU

  • 32-bit CPU with timer and interrupt handling
  • Internal ROM and SRAM for instruction and data

●  Host interface

  • USB full speed device interface
  • I2C slave interface (max. 400KHz) with proprietary driver or HID over I2C support
  • UART

●  Mutual touch sensing channels

  • 132  Channels mutual sensing channel
  • 10-bit ADC

●  Provide 266 Hz pen scan and report rate under MPP2.0

●  Integrated 3.3V to HV booster (10V ~ 32V)

●  Integrated 3.3V to 1.8V buck converter

●  Integrated low voltage detection circuit, trigger reset when VIN < 2.4V and release when VIN > 2.9V

●  Supply voltage

  • Core supply: 1.65 ~ 1.98V
  • IO supply : 1.7-3.6V
  • Analog supply voltage: 3.0 ~ 3.6V
  • VCDP high voltage: 10 ~ 32V

●  Power consumption

  • HIDI2C Modern stand-by power: < 2 mW (internal OSC off)
  • Full active mode:  330 ~ 430 mW (10 finger + MPP2.0 Pen)

●  Package type : BGA246  11.5 x 13 x 1.0 mm, ball pitch 0.5mm