Device and method for driving symmetric load systems

A method for efficiently transferring charge within a symmetric reactive load system, said method comprising the steps of:

• (a) applying a charge across said symmetric reactive load system;
• (b) generating a voltage gradient across a filter inductor coupled at one end to a center tap;
• (c) inducing said charge across said center tap into said symmetric reactive load system symmetrically coupled about said center tap;
• and
• (d) inducing said charge across said center tap away from said symmetric reactive load system symmetrically coupled about said center tap.

A switchmode power control circuit for efficiently transferring charge within a symmetric reactive load system, said switchmode power control circuit comprising:

• (a) a pre-stressed bimorph actuator, said pre-stressed bimorph actuator consisting of a first outer layer, a second outer layer, a middle layer, a first transductive element, and a second transductive element, said first transductive element and said second transductive element bonded to said middle layer, said first outer layer bonded to said first transductive element, said second outer layer bonded to said second transductive element, said pre-stressed bimorph actuator being planar;
• (b) a small filter inductor, said filter inductor storing energy during charge transfer;
• (c) a center tap, said first transductive element negatively terminated at said center tap and positively terminated at a most positive terminal of a power supply, said second transductive element positively terminated at said center tap and negatively terminated at a most negative terminal of said power supply, said filter inductor coupled at one end to said center tap;
• (d) a regenerative drive coupled to said first transductive element, said second transductive element, and said filter inductor, said regenerative drive consisting of a half bridge having symmetric switching topology, said regenerative drive driving charge flow across said center tap;
• and
• (e) a small bypass capacitor, said bypass capacitor functioning as a reservoir for high current transients at said power supply.

A switchmode power control circuit for efficiently transferring charge between a first load and a second load of equivalent capacitance coupled in series, said switchmode power control circuit comprising:

• (a) a small filter inductor, said filter inductor storing energy during charge transfer;
• (b) a center tap, said first load negatively terminated at said center tap and positively terminated at a most positive terminal of a power supply, said second load positively terminated at said center tap and negatively terminated at a most negative terminal of said power supply, said filter inductor coupled at one end to said center tap;
• (c) a small bypass capacitor, said bypass capacitor functioning as a reservoir for high-frequency, low-level transients at said power supply;
• and
• (d) an integrated circuit chip coupled to said filter inductor, said first load, said second load, and said center tap, said integrated circuit chip composed of a regenerative drive with dual embedded MOSFET switches in a half bridge topology and said bypass capacitor, said integrated circuit chip driving charge flow across said center tap.

A switchmode power control circuit for efficiently transferring charge between a first load and a second load of equivalent capacitance coupled in series, said switchmode power control circuit comprising:

• (a) a small filter inductor, said filter inductor storing energy during charge transfer;
• (b) a center tap, said first load negatively terminated at said center tap and positively terminated at a most positive terminal of a power supply, said second load positively terminated at said center tap and negatively terminated at a most negative terminal of said power supply, said filter inductor coupled at one end to said center tap;
• (c) a small bypass capacitor, said bypass capacitor functioning as a reservoir for high-frequency, low-level transients at said power supply;
• and
• (d) an integrated circuit chip coupled to said filter capacitor, said first load, said second load, and said center tap, said integrated circuit chip composed of a regenerative drive with embedded signal processing and control circuit, dual embedded MOSFET switches in a half bridge topology and said bypass capacitor, and said integrated circuit chip driving charge flow across said center tap.