One example discloses a power management device, including: a first port configured to be coupled to a first power source; a second port configured to be coupled to a second power source; a switched capacitor converter; and an inductor coupled in parallel with a switch; wherein the switched capacitor converter is coupled between the first port and one end of the inductor coupled in parallel with the switch; and wherein another end of the inductor coupled in parallel with the switch, is coupled between the switched capacitor converter and the second port.