AW9201 Single Key Capacitive Controller

AW9201 is capacitive single-channel touch sensor. It  integrates  a  precise  Capacitance  Digital Converter (CDC) and a DSP core for touch detecting. This device automatically track slow varying environmental  changes  via  special  signal processing algorithms. The integrated RF noise filter and touch detection algorithm to ensure the reliability  of  applications  in  a  variety  of environments. AW9201 provides compatible I2C interface to communicate with MCU, it supports 400kHz fast mode. AW9201 is available in QFN1.6mm×1.6mm_8L package. Operating voltage range is 2.5V-3.6V.


l  Configurable Touch Sensitivity

l  RF Noise Filter

l  Automatically Calibrate Varying Environmental Changes

l  Intrinsic Capacitance Compensation

l  Support Interrupt Output, Open-drain output,Low Active

l  Support Compatible I2C Interface, Interface Voltage range of 1.8V ~ 2.8V

l  I2C Address: 0x45

l  Single Power Supply, Voltage Range:2.5V-3.6V

l  QFN1.6mm×1.6mm_8L Package


Application note

Product name Type Size Download
AW9201QNR PDF 1.1M
  • 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
QFN 1.6×1.6×0.75-8L 8 1.6 1.6 0.75 0.4 N
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