An output driver circuit comprising: an output terminal; and a first current path from the output terminal to a first reference voltage (Vss), the first current path being configured for selectively sinking current at the output terminal, the first current path including a series connection of current electrodes of: a first transistor configured to receive at a control electrode of the first transistor a signal (Vr) to set a desired level of current to be conducted by the first current path; and a second transistor configured to generate at a control electrode of the second transistor a feedback signal (Vf) indicative of an actual current conducted by the first transistor; characterised in that the output driver circuit further comprises: a third transistor that together with the first transistor provides a first current mirror; a first reference current source configured to provide a first reference current (Ir, IrO); and a fourth transistor that together with the second transistor provides a second current mirror to generate a second reference current based on the first reference current (Ir, IrO), the fourth transistor being coupled to a first current electrode and to a control electrode of the third transistor; a current comparator configured to compare the actual current conducted by the first transistor, as indicated by the feedback signal (Vf), to a first threshold current (IrM) and to a second threshold current (IrK). an output terminal; and a first current path from the output terminal to a first reference voltage (Vss), the first current path being configured for selectively sinking current at the output terminal, the first current path including a series connection of current electrodes of: a first transistor configured to receive at a control electrode of the first transistor a signal (Vr) to set a desired level of current to be conducted by the first current path; and a second transistor configured to generate at a control electrode of the second transistor a feedback signal (Vf) indicative of an actual current conducted by the first transistor; characterised in that the output driver circuit further comprises: a first transistor configured to receive at a control electrode of the first transistor a signal (Vr) to set a desired level of current to be conducted by the first current path; and a second transistor configured to generate at a control electrode of the second transistor a feedback signal (Vf) indicative of an actual current conducted by the first transistor; characterised in that the output driver circuit further comprises: a third transistor that together with the first transistor provides a first current mirror; a first reference current source configured to provide a first reference current (Ir, IrO); and a fourth transistor that together with the second transistor provides a second current mirror to generate a second reference current based on the first reference current (Ir, IrO), the fourth transistor being coupled to a first current electrode and to a control electrode of the third transistor; a current comparator configured to compare the actual current conducted by the first transistor, as indicated by the feedback signal (Vf), to a first threshold current (IrM) and to a second threshold current (IrK).