An interleaved power converter for converting a DC input voltage (n 3, n 4) of a DC voltage source into a DC voltage output 5 (23, 24), the converter comprising: at least a first sub-circuit (LA, L1, T1, D1, M1) and a second sub-circuit (LB, L1, T1, D2, M2) connected in parallel, each sub-circuit comprising an inductive element (LA, LB; L1, T1), a rectifying element (D1, D2) and a controllable switching device (M1, M2) connected for converting the DC input voltage into the DC voltage output (23, 24); driving means (PWM1, PWM2) for driving the switching device (M1, M2) of the respective sub-circuit to repeatedly switch on at a switch-on time t1 and switch off at a switch-off time t2, to define an on-time interval Ton = t2 - t1 for each sub-circuit, with a phase difference between the switch-on times t1 of each switching device (M1, M2); current sensing means for repeatedly determining a first input current value associated with the first sub-circuit (LA; L1, T1, D1, M1) by sensing the input current of the converter at a first sample time point, and a second input current value associated with the second sub-circuit (LB; L1, T1, D2, M2) by sensing the input current of the converter at a second sample time point, wherein the input current of the converter is sensed at a node of the DC voltage source and wherein the first and second sample time points are at predetermined times relative to the switch-on time t1 or the switch-off time t2 of said switching device (M1, M2) of the respective sub-circuit; and control means comprising: comparator means for comparing the second input current value with the first input current value, thereby to obtain a measure of current imbalance between the second sub-circuit and first sub-circuit attributable to one or both of the sub-circuits; and current balancing means for adjusting the on-time interval Ton, for one or both of the sub-circuits, to compensate for said current imbalance. at least a first sub-circuit (LA, L1, T1, D1, M1) and a second sub-circuit (LB, L1, T1, D2, M2) connected in parallel, each sub-circuit comprising an inductive element (LA, LB; L1, T1), a rectifying element (D1, D2) and a controllable switching device (M1, M2) connected for converting the DC input voltage into the DC voltage output (23, 24); driving means (PWM1, PWM2) for driving the switching device (M1, M2) of the respective sub-circuit to repeatedly switch on at a switch-on time t1 and switch off at a switch-off time t2, to define an on-time interval Ton = t2 - t1 for each sub-circuit, with a phase difference between the switch-on times t1 of each switching device (M1, M2); current sensing means for repeatedly determining a first input current value associated with the first sub-circuit (LA; L1, T1, D1, M1) by sensing the input current of the converter at a first sample time point, and a second input current value associated with the second sub-circuit (LB; L1, T1, D2, M2) by sensing the input current of the converter at a second sample time point, wherein the input current of the converter is sensed at a node of the DC voltage source and wherein the first and second sample time points are at predetermined times relative to the switch-on time t1 or the switch-off time t2 of said switching device (M1, M2) of the respective sub-circuit; and control means comprising: comparator means for comparing the second input current value with the first input current value, thereby to obtain a measure of current imbalance between the second sub-circuit and first sub-circuit attributable to one or both of the sub-circuits; and current balancing means for adjusting the on-time interval Ton, for one or both of the sub-circuits, to compensate for said current imbalance. comparator means for comparing the second input current value with the first input current value, thereby to obtain a measure of current imbalance between the second sub-circuit and first sub-circuit attributable to one or both of the sub-circuits; and current balancing means for adjusting the on-time interval Ton, for one or both of the sub-circuits, to compensate for said current imbalance.