Device for pre-charging a charge, for example a capacitor, comprising: a. a power supply terminal intended to receive an activation current, b. a first pre-charging transistor comprising: i. a first terminal, ii. a second terminal, and iii. a control terminal intended to selectively open or close said first pre-charging transistor upon receipt of a control signal, the first terminal being intended to be connected to a first voltage source referenced relative to an electrical ground, the second terminal being intended to be electrically connected to the charge, the control terminal being connected to the power supply terminal, the second terminal supplying a pre-charging current when said second terminal is connected to the charge, when said first terminal is connected to the first voltage source and when said power supply terminal receives the activation current, and c. a starting circuit connected to the power supply terminal, said starting circuit being designed, when it is active, to keep the pre-charging current at a constant value while gradually increasing the voltage of the power supply terminal, the starting circuit further comprising: i. a first capacitor, ii. a first switch comprising: 1. a control terminal intended to selectively open or close said first switch upon receipt of a control signal, said control terminal being electrically connected via the first capacitor to said electrical ground, 2. a second terminal connected to the electrical ground, 3. a first terminal connected to the power supply terminal, and iii. a current source which, when activated, supplies said first capacitor with a constant charging current. a. a power supply terminal intended to receive an activation current, b. a first pre-charging transistor comprising: i. a first terminal, ii. a second terminal, and iii. a control terminal intended to selectively open or close said first pre-charging transistor upon receipt of a control signal, the first terminal being intended to be connected to a first voltage source referenced relative to an electrical ground, the second terminal being intended to be electrically connected to the charge, the control terminal being connected to the power supply terminal, the second terminal supplying a pre-charging current when said second terminal is connected to the charge, when said first terminal is connected to the first voltage source and when said power supply terminal receives the activation current, and i. a first terminal, ii. a second terminal, and iii. a control terminal intended to selectively open or close said first pre-charging transistor upon receipt of a control signal, the first terminal being intended to be connected to a first voltage source referenced relative to an electrical ground, the second terminal being intended to be electrically connected to the charge, the control terminal being connected to the power supply terminal, the second terminal supplying a pre-charging current when said second terminal is connected to the charge, when said first terminal is connected to the first voltage source and when said power supply terminal receives the activation current, and c. a starting circuit connected to the power supply terminal, said starting circuit being designed, when it is active, to keep the pre-charging current at a constant value while gradually increasing the voltage of the power supply terminal, the starting circuit further comprising: i. a first capacitor, ii. a first switch comprising: 1. a control terminal intended to selectively open or close said first switch upon receipt of a control signal, said control terminal being electrically connected via the first capacitor to said electrical ground, 2. a second terminal connected to the electrical ground, 3. a first terminal connected to the power supply terminal, and iii. a current source which, when activated, supplies said first capacitor with a constant charging current. i. a first capacitor, ii. a first switch comprising: 1. a control terminal intended to selectively open or close said first switch upon receipt of a control signal, said control terminal being electrically connected via the first capacitor to said electrical ground, 2. a second terminal connected to the electrical ground, 3. a first terminal connected to the power supply terminal, and 1. a control terminal intended to selectively open or close said first switch upon receipt of a control signal, said control terminal being electrically connected via the first capacitor to said electrical ground, 2. a second terminal connected to the electrical ground, 3. a first terminal connected to the power supply terminal, and iii. a current source which, when activated, supplies said first capacitor with a constant charging current.