Bipolar pulsed-voltage gate driver

A gate driver circuit comprising:

• a transformer comprising a secondary winding having a high-side terminal and a low-side terminal;
• a first voltage output;
• a first switching device comprising:
• a first terminal coupled with the high-side terminal;
• a second terminal coupled with the first voltage output;
• and
• a third terminal;
• a second voltage output;
• a second switching device comprising:
• a first terminal coupled with the low-side terminal and the third terminal of the first switching device;
• a second terminal coupled with the second voltage output;
• and
• a third terminal coupled with the first terminal of the first switching device and with the high-side terminal;
• and
• wherein the third terminal of the first switching device is coupled with the first terminal of the second switching device and with the low-side terminal.

A method comprising:

• applying a voltage differential across first and second inputs of a gate-driver assembly to cause a positive current to flow through a primary winding of a transformer from a first output of the gate-driver assembly to a second output of the gate-driver assembly;
• in response to the positive current flowing through the primary winding:
• causing a positive inductive current to flow through a secondary winding of the transformer;
• and
• causing a pair of switches coupled to the secondary winding to provide a positive output voltage to a switching device, the switching device configured to turn on in response to the positive output voltage;
• and
• applying a common voltage across the first and second inputs after a first delay to reduce the positive current flow through the primary winding.