Self capacitance touch controller for wearable devices it7259q-13, it7259ex-24

features

Flexible multi pointing detection

- Support finger tracking

- At most, it supports two finger true point detection and gesture

I2C Compatible interface

- accord with I2C standard v2.1

- Only slave devices are supported

- Support standard and quick mode

- Support immediate reading and combined formats

- 7 Bit device addressing mode

Working supply voltage

- An operating power supply 3.3V

- Provide an internal power regulator for the kernel

Power generation and induction drives low power consumption

- Active mode ：1.3mA

- Idle mode ：25uA

- Sleep mode ：0.1uA

model ：IT7259Q-13,IT7259EX-24

encapsulation ：QFN

IT7259 Self capacitance touch controller of wearable devices

IT7259 Is a 24/13 Channel capacitance sensor detection controller , With a ITO The membrane screen module can realize multi touch function . It integrates a single electrode 24/13 Channel capacitance digital converter （CDC）, A high-performance low-power RISC CPU, Flexible memory support , And many powerful hardware functions . Inside CDC There is an automatic calibration and compensation engine , To eliminate the impact of environmental changes .

IT7259 Support only I2C Interface . The serial interface is used to communicate with the host .

IT7259 use 32 Pad XQFN and 24 Pad QFN encapsulation . It needs a 2.6V-3.6V The power supply ,IO The voltage level can work at 1.8V-3.6V.

Shenzhen mingjiada Electronics Co., Ltd / Shenzhen Xingxing Jinhua Industrial Co., Ltd , Welcome to consult the staff .

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