US Patent 11532987 Power conversion circuit, power conversion system and power chip

An apparatus includes a first group of switches connected in series, a second group of switches connected in series, a first flying capacitor between a first common node and a third common node of the first group of switches, a second flying capacitor between a first common node and a third common node of the second group of switches, wherein the first group of switches and the second group of switches are configured such that the apparatus operates in one of three operating modes including a bypass operating mode, a hybrid operating mode and a boost/buck operating mode.