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AW9119QNR

1-Key Capacitive Touch Controller Integrated with 9-LED Driver

AW9119 integrates 1 capacitive sensor and a SRAM program-controlled 9 LED driver. By special programming and register configuring, the touch or gesture can trigger predefined lighting program to generate funny and complicated LED effect, without the aid of external MCU. 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. 9 LED driver uses common anode current source and PWM dimming. Each LED is 8-level driver current selectable with dimming independently controlled  by  external  MCU  or  internal 256word*16bit SRAM program.

Characteristic

l  1 Capacitive key with sensitivity configurable

l  RF Noise Filter

l  Tap Gesture detection (Single/Double click)

l  Automatic Calibration for Environmental Change

l  Intrinsic Capacitance Compensation

l  8-level LED Maximum Current for each LED,max 24.5mA

l  256-level Linear/Logarithmic PWM Dimming,9bits PWM resolution

l  Capacitive Touch status trigger internal LED program to create complicated touch feedback

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

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

l  3mm×3mm QFN20L Package

Datasheet

Application note

Product name Type Size Download
AW9119QNR PDF 1.5M
  • Touch Channel
    LED Output
    Gesture Detection
    Ishutdown(typ.)(μΑ)
    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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