3-Key Capacitive Touch Controller Integrated with 6-LED Driver

AW9136 integrates 6 channel intelligent LED driver and 3 capacitive touch keys detection. The innovative “Dual Core” relates touch detection and LED driver. AW9136 can achieve the different LED effects depending on gesture without external MCU, which will reduce the power consumption and enhance the interactive experience in the application. AW9136 scans the slight capacitance diff of touch keys with SIGMA-DELTA CDC(Capacitance Digital Convert) and detects the key touch with internal algorithm and reports the touch event. AW9136 LED driver module uses co-anode current source and PWM dimming. LED driver has 8-grade maximum driver current. LED dimming can be controlled by external MCU or internal ASP module. AW9136 supports the compatible I2C interface to communicate with external MCU. It supports 400kHz in fast mode. AW9136 is available in QFN3mm×3mm_20L package. The operating voltage range is 3.0V-4.5V.


l  Configurable Touch Sensitivity

l  RF Noise Filter

l  Support Customize Gestures(slide and click)

l  Automatic Calibration for Environmental Change

l  Intrinsic Capacitance Compensation

l  8-grade LED Driver Maximum Current

l  9 bits PWM Resolution

l  256-grade Linear/Logarithmic PWM Dimming

l  Internal Relation of Capacitive Touch to LED Driver

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  QFN3mm×3mm_20L Package


Application note

Product name Type Size Download
AW9136QNR PDF 3.2M
  • 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
QFN 3.0×3.0×0.75 -20L(1.65) 20 3.0 3.0 0.75 0.4 Y
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