A switching cell comprising series-coupled first and second switches, the first switch comprising a diode, coupling terminals of the first switch and directed to conduct a current supplied by or received from the switching cell when the first and second switches are simultaneously in the off state, the cell comprising a device configured to implement a method including measuring a current flowing through the first switch when the first switch is controlled to the off state, and adjusting a switching dead time according to the measurement, wherein the adjusting comprises determining a value (VINT) representative of an integral of a value (VMES) resulting from the measurement during an integration period, said value representative of said integral varying either in a monotonous and increasing manner according to said integral, or in a monotonous and decreasing manner according to said integral, and wherein said adjusting comprises searching for a value of the switching dead time for which the value (VINT) representative of the integral exhibits a global minimum when said value representative of said integral monotonously and increasingly varies according to said integral, or a global maximum when said value representative of said integral monotonously and decreasingly varies according to said integral, the cell comprising a sensor configured to measure the current flowing through the first switch, characterized in that said device comprises: a comparator circuit and a link between an input of the comparator circuit and said sensor, another input of the comparator circuit being coupled to a first node of application of a fixed potential; a monostable circuit having a trigger input coupled to an output of the comparator circuit; a multiplexer controlled by the monostable circuit and having an input coupled to said sensor and another input coupled through a resistor to a node of application of a fixed potential; and an integrator circuit having an input coupled to an output of the multiplexer, the integrator circuit preferably comprising a resistor and a capacitor in series between said input of the integrator circuit and the first node or another node of application of a fixed potential. wherein the adjusting comprises determining a value (VINT) representative of an integral of a value (VMES) resulting from the measurement during an integration period, said value representative of said integral varying either in a monotonous and increasing manner according to said integral, or in a monotonous and decreasing manner according to said integral, and wherein said adjusting comprises searching for a value of the switching dead time for which the value (VINT) representative of the integral exhibits a global minimum when said value representative of said integral monotonously and increasingly varies according to said integral, or a global maximum when said value representative of said integral monotonously and decreasingly varies according to said integral, the cell comprising a sensor configured to measure the current flowing through the first switch, characterized in that said device comprises: a comparator circuit and a link between an input of the comparator circuit and said sensor, another input of the comparator circuit being coupled to a first node of application of a fixed potential; a monostable circuit having a trigger input coupled to an output of the comparator circuit; a multiplexer controlled by the monostable circuit and having an input coupled to said sensor and another input coupled through a resistor to a node of application of a fixed potential; and an integrator circuit having an input coupled to an output of the multiplexer, the integrator circuit preferably comprising a resistor and a capacitor in series between said input of the integrator circuit and the first node or another node of application of a fixed potential. a comparator circuit and a link between an input of the comparator circuit and said sensor, another input of the comparator circuit being coupled to a first node of application of a fixed potential; a monostable circuit having a trigger input coupled to an output of the comparator circuit; a multiplexer controlled by the monostable circuit and having an input coupled to said sensor and another input coupled through a resistor to a node of application of a fixed potential; and an integrator circuit having an input coupled to an output of the multiplexer, the integrator circuit preferably comprising a resistor and a capacitor in series between said input of the integrator circuit and the first node or another node of application of a fixed potential.