In various embodiments, a device is provided. The device includes a substrate having a first side and a second side opposite the first side. The substrate includes a plurality of driver circuits at the first side of the substrate. Each of the plurality of driver circuits is configured to drive a current from the first side of the substrate to the second side of the substrate. The device further includes at least one load interface at the second side of the substrate. The at least one load interface is configured to couple the current from the plurality of the driver circuits to a plurality of loads at the second side of the substrate.