A system comprising a control system and a DC-DC voltage converter, wherein the control system is configured to transition the DC-DC converter from a boost operational mode to a safe operational mode, the DC-DC voltage converter having a high side integrated circuit and a low side integrated circuit, the high side integrated circuit having a first plurality of FET switches therein, the low side integrated circuit having a second plurality of FET switches therein, each FET switch of the first plurality of FET switches being electrically coupled in series to a respective FET switch of the second plurality of FET switches, wherein each of the high side and low side integrated circuit (450, 452) comprises a first input pin (500, 600) and a second input pin (502, 602) and an output pin (504, 604); the control system comprising: a microcontroller comprising a microprocessor having a first application characterised in that the microprocessor has also a second application; the first application configured to command the microcontroller to generate a first control signal that is to be received at the first input pin of the high side integrated circuit of the DC-DC-voltage converter to command the high side integrated circuit to transition each of the first plurality of FET switches therein to an open operational state, the first control signal is to be further received at the first input pin of the low side integrated circuit of the DC-DC-voltage converter to command the low side integrated circuit to transition each of the second plurality of FET switches therein to the open operational state; the second application configured to command the microcontroller to generate a second control signal that is to be received at the second input pin of the high side integrated circuit to command the high side integrated circuit to transition each of the first plurality of FET switches therein to the open operational state, the second control signal is to be further received at the second input pin of the low side integrated circuit to command the low side integrated circuit to transition each of the second plurality of FET switches therein to the open operational state; wherein the high side integrated circuit and the low side integrated circuit are configured to generate a confirmation signal at their output pin (504, 604), wherein the confirmation signal is to be received by the microcontroller and wherein the second application is configured to determine that at least one of the first plurality of FET switches and the second plurality of FET switches are transitioned to the open operational state based on the confirmation signal. a microcontroller comprising a microprocessor having a first application characterised in that the microprocessor has also a second application; the first application configured to command the microcontroller to generate a first control signal that is to be received at the first input pin of the high side integrated circuit of the DC-DC-voltage converter to command the high side integrated circuit to transition each of the first plurality of FET switches therein to an open operational state, the first control signal is to be further received at the first input pin of the low side integrated circuit of the DC-DC-voltage converter to command the low side integrated circuit to transition each of the second plurality of FET switches therein to the open operational state; the second application configured to command the microcontroller to generate a second control signal that is to be received at the second input pin of the high side integrated circuit to command the high side integrated circuit to transition each of the first plurality of FET switches therein to the open operational state, the second control signal is to be further received at the second input pin of the low side integrated circuit to command the low side integrated circuit to transition each of the second plurality of FET switches therein to the open operational state; wherein the high side integrated circuit and the low side integrated circuit are configured to generate a confirmation signal at their output pin (504, 604), wherein the confirmation signal is to be received by the microcontroller and wherein the second application is configured to determine that at least one of the first plurality of FET switches and the second plurality of FET switches are transitioned to the open operational state based on the confirmation signal.