Heating engine control circuits and non-nicotine electronic vaping devices including the same

A heating engine control circuit to control operation of a heater of a non-nicotine electronic vaping device, the heating engine control circuit comprising:

• a rail converter circuit configured to convert a power supply voltage into a power signal based on a vaping enable signal, the vaping enable signal being a pulse width modulated signal;
• and
• a gate driver circuit including an integrated gate driver, the integrated gate driver configured to control application of power to the heater of the non-nicotine electronic vaping device based on the power signal, a first enable signal and a second enable signal.