Because you do not need ADC, if G2233 works for you, so would G2203. For that mater, any of the other 6 chips included in the data-sheet of G2233 would work for you too. I think it might be difficult to do Capacitive Touch sensing and 3 PWM at the same time with any one of those 7 chip. The Timer0_A3 can only generate 1 PWM and the Timer1_A3 can generate 2 PWM. This means you need to use both Timers to have 3 PWM. Capacitive Touch sensing will need Timer0_A3 CC2, But it Timer0_A3 is in count up to CC0 mode due to PWM, can you still use CC2 for Capacitive Touch sensing?
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