3-Key Capacitive Touch Controller

AW9203 integrates 3 capacitive sensor. The capacitive sensor takes advantage of advanced Sigma-delta  capacitance  digital  conversion technology to achieve high sensitivity and anti- noise capacitance detection. With internal DSP algorithm, the touch and gesture event can be detected and reported in status register and external interrupt pin. Compatible I2C interface of 400kHz fast mode is provided, the package is CSP1.59mm×1.75mm- 13L. It requires only 3.0V-4.5V single power supply.


l  3 Capacitive key with sensitivity configurable

l  RF Noise Filter

l  Tap Gesture detection (Single/Double/Triple click)

l  Automatic Calibration for Environmental Change

l  Intrinsic Capacitance Compensation

l  Compatible I2C Interface, VIO: 1.8V ~ 3.3V

l  I2C Address: 0x2C/0x2D

l  Single Power Supply, Voltage Range: 3.0V ~4.5V

l  CSP1.59mm×1.75mmx0.57mm-13L Package


Application note

Product name Type Size Download
AW9203CSR PDF 2.2M
  • Touch Channel
    LED Output
    Gesture Detection
    Istandby (typ.) (μΑ)
    Power Supply (V)
    Package (mm)
Package form Number of pins Long(mm) Width(mm) Thick(mm) Pin spacing(mm) Heat sink Package drawing
WLCSP 1.75×1.59×0.57-13B 13 1.75 1.59 0.57 0.4 N
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