A circuit configured to control a first power switch via a gate of the first power switch and a second power switch via a gate of the second power switch; wherein the first power switch is a low side switch and the second power switch is a high side switch of a half bridge; wherein the gates of the first and second power switches (304, 303) comprises respective gate capacitors; the circuit comprising - a first on-control switch configured to couple the gate of the first power switch with a charge supply to provide a gate charge to the gate capacitor of the first power switch thereby putting the first power switch to the on-state; wherein the charge supply comprises the gate capacitor of the gate of the second power switch; - a transformer comprising a primary winding and a secondary winding which are electromagnetically coupled; and - a first off-control switch (313, 314) configured to couple the gate of the first power switch with ground via the primary winding of the transformer to discharge the gate capacitor of the first power switch, thereby causing a discharge current through the primary winding and thereby putting the first power switch to the off-state; - a second control switch (312, 317) configured to couple the secondary winding of the transformer to the gate of the second power switch, such that a current, which is induced in the secondary winding by the discharge current in the primary winding, charges the gate capacitor of the gate of the second power switch; and the circuit is configured to - provide a gate charge to the gate capacitor of the second power switch using the gate charge of the first power switch, thereby putting the second power switch to on-state; and - provide the gate charge to the gate capacitor of the first power switch using the gate charge of the second power switch, thereby putting the first power switch to on-state. - a first on-control switch configured to couple the gate of the first power switch with a charge supply to provide a gate charge to the gate capacitor of the first power switch thereby putting the first power switch to the on-state; wherein the charge supply comprises the gate capacitor of the gate of the second power switch; - a transformer comprising a primary winding and a secondary winding which are electromagnetically coupled; and - a first off-control switch (313, 314) configured to couple the gate of the first power switch with ground via the primary winding of the transformer to discharge the gate capacitor of the first power switch, thereby causing a discharge current through the primary winding and thereby putting the first power switch to the off-state; - a second control switch (312, 317) configured to couple the secondary winding of the transformer to the gate of the second power switch, such that a current, which is induced in the secondary winding by the discharge current in the primary winding, charges the gate capacitor of the gate of the second power switch; and - provide a gate charge to the gate capacitor of the second power switch using the gate charge of the first power switch, thereby putting the second power switch to on-state; and - provide the gate charge to the gate capacitor of the first power switch using the gate charge of the second power switch, thereby putting the first power switch to on-state.