A switched-capacitor converter, comprising: an input; an output; at least two switch stages (141, 142; 141-144), wherein at least a first and a second (141, 142) of the switch stages (141, 142; 141-144) each comprise: a first half bridge which includes a first high-side switch (Q1A_HS, Q2A_HS) and a first low-side switch (Q1A_LS, Q2A_LS) connected in series at a first switching node (PA1, PA2) and between a positive node (VP1, VP2) and a negative node (VN1, VN2); and a second half bridge which includes a second high-side switch (Q1B_HS, Q2B_HS) and a second low-side switch (Q1B_LS, Q2B_LS) connected in series at a second switching node (PB1, PB2), wherein the first and second half bridges are connected in parallel; a first capacitor (C A2) that couples the first switching node of the first switch stage to the first switching node of the second switch stage; a second capacitor (C B2) that couples the second switching node of the first switch stage to the second switching node of the second switch stage; a first magnetic coupling element connected to the first and second switching nodes (P1A, P1B) of the first switch stage; a second magnetic coupling element connected to the first and second switching nodes (P2A, P2B) to the second switch stage; and a controller operable to generate: a first switch control signal (V PWM1) that controls the first high-side switch (Q1A_HS, Q2A_HS) and the second low-side switch (Q1B_LS, Q2B_LS) for each of the first and second switch stages (141, 142), and a second switch control signal (V PWM2) that controls the second high-side switch (Q1B_HS, Q2B_HS) and the first low-side switch (Q1A_LS, Q2A_LS) for each of the first and second switch stages (141, 142), wherein the at least two switch stages are in a cascade arrangement such that the negative node of the second switch stage is connected to the positive node of the first switch stage, wherein the first magnetic coupling element and the second magnetic coupling element are part of a transformer, and wherein the first and second magnetic coupling elements (791, 792) are operable to magnetically transfer energy between the first switch stage and the second switch stage. an input; an output; at least two switch stages (141, 142; 141-144), wherein at least a first and a second (141, 142) of the switch stages (141, 142; 141-144) each comprise: a first half bridge which includes a first high-side switch (Q1A_HS, Q2A_HS) and a first low-side switch (Q1A_LS, Q2A_LS) connected in series at a first switching node (PA1, PA2) and between a positive node (VP1, VP2) and a negative node (VN1, VN2); and a second half bridge which includes a second high-side switch (Q1B_HS, Q2B_HS) and a second low-side switch (Q1B_LS, Q2B_LS) connected in series at a second switching node (PB1, PB2), wherein the first and second half bridges are connected in parallel; a first capacitor (C A2) that couples the first switching node of the first switch stage to the first switching node of the second switch stage; a second capacitor (C B2) that couples the second switching node of the first switch stage to the second switching node of the second switch stage; a first magnetic coupling element connected to the first and second switching nodes (P1A, P1B) of the first switch stage; a second magnetic coupling element connected to the first and second switching nodes (P2A, P2B) to the second switch stage; and a controller operable to generate: a first half bridge which includes a first high-side switch (Q1A_HS, Q2A_HS) and a first low-side switch (Q1A_LS, Q2A_LS) connected in series at a first switching node (PA1, PA2) and between a positive node (VP1, VP2) and a negative node (VN1, VN2); and a second half bridge which includes a second high-side switch (Q1B_HS, Q2B_HS) and a second low-side switch (Q1B_LS, Q2B_LS) connected in series at a second switching node (PB1, PB2), wherein the first and second half bridges are connected in parallel; a first capacitor (C A2) that couples the first switching node of the first switch stage to the first switching node of the second switch stage; a second capacitor (C B2) that couples the second switching node of the first switch stage to the second switching node of the second switch stage; a first magnetic coupling element connected to the first and second switching nodes (P1A, P1B) of the first switch stage; a second magnetic coupling element connected to the first and second switching nodes (P2A, P2B) to the second switch stage; and a controller operable to generate: a first switch control signal (V PWM1) that controls the first high-side switch (Q1A_HS, Q2A_HS) and the second low-side switch (Q1B_LS, Q2B_LS) for each of the first and second switch stages (141, 142), and a second switch control signal (V PWM2) that controls the second high-side switch (Q1B_HS, Q2B_HS) and the first low-side switch (Q1A_LS, Q2A_LS) for each of the first and second switch stages (141, 142), wherein the at least two switch stages are in a cascade arrangement such that the negative node of the second switch stage is connected to the positive node of the first switch stage, wherein the first magnetic coupling element and the second magnetic coupling element are part of a transformer, and wherein the first and second magnetic coupling elements (791, 792) are operable to magnetically transfer energy between the first switch stage and the second switch stage.