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This is for a custom infra-red motion sensor.
We will be using micro mirrors to focus and track infra-red signals. The concept is nothing new, but we are building them in microns. There will be many micromachined mirrors controlled by electro-static actuators. Using 15V (out of max. 20V process) drivers, we can move actuators by a few microns.
The ASIC (assisted by an external mutual inductors) will charge pump and store the energy needed to move the actuators.
I am adding this discussion to sci.electronics.design, where some of the ideas have been discussed.