Control circuitry for dynamic shade with electrostatic holding, and/or associated methods

A method of controlling a shade, the method comprising:

• having an insulating glass (IG) unit, comprising:
• first and second substrates, each having interior and exterior major surfaces, the interior major surface of the first substrate facing the interior major surface of the second substrate;
• and
• a spacer system helping to maintain the first and second substrates in substantially parallel spaced apart relation to one another and to define a gap therebetween;
• the shade being dynamically controllable and interposed between the first and second substrates, the shade including:
• a first conductive layer provided, directly or indirectly, on the interior major surface of the first substrate;
• and a shutter including at least one polymer substrate, first and second conductive coatings, and first and second dielectric layers, wherein the at least one polymer substrate is extendible to a shutter closed position and retractable to a shutter open position;
• a power source including a battery;
• and
• a control circuit including a boosting transformer coupled to the power source and the shade, wherein the boosting transformer being controllable to produce a voltage for charging a shade capacitance and to discharge an accumulated shade capacitance;
• charging the shade capacitance to create electrostatic forces via the boosting transformer to drive the shade towards the shutter closed position;
• and
• discharging the accumulated shade capacitance via the boosting transformer to charge the battery using the discharged accumulated shade capacitance.