Power supply control systems and methods

A cell management module for a power supply module including a plurality of power cells, the cell management module comprising:

• at least one cell-sensing circuit including:
• a first sub-circuit including a first transformer winding, the first sub-circuit operable to selectively pulse a first signal having a first voltage through the first transformer winding;
• and
• a second sub-circuit separate and distinct from the first sub-circuit and including a second transformer winding inductively coupled to the first transformer winding and one of the plurality of power cells having a second voltage, the second sub-circuit including a second signal having a second voltage in the second transformer winding and a Schottky diode disposed between the second transformer winding and the one of the plurality of power cells;
• and a current measurement circuit connected to the first sub-circuit and configured to infer the second voltage of the one of the power cells based on a measured current of the first signal received from the first transformer winding;
• wherein when a voltage of the second signal is greater than the sum of a voltage drop associated with the Schottky diode and a voltage of the one of the plurality of power cells, the difference in the voltage results in a modified second signal flowing from the one of the plurality of power cells to the second transformer winding, the modified second signal having at least one of a change in voltage or current compared to the second signal.