AW9226 integrates 6 capacitive sensor and a SRAM program-controlled 20 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.
20 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.
Compatible I2C interface of 400kHz fast mode is provided, the package is QFN 5mm×5mm×0.75 mm-40L. It requires only 3.0V-4.5V single power supply.
l 6 Capacitive key with sensitivity configurable
l RF Noise Filter
l Tap Gesture detection (Single/Double/Triple click and slide gesture)
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,9 bits 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 I2C Address: 0x2C/0x2D
l Single Power Supply, Voltage Range: 3.0V ~ 4.5V
l QFN 5mm×5mm×0.75mm-40L Package
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AW9226TQR
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