A charge pump cell, comprising: an input node; an output node; Q channels, where Q is an integer greater than one, and where at least two of the channels comprise: a capacitor; a unidirectional current flow device; an output diode; and a channel drive signal node; and wherein a first current flow node of the unidirectional current flow device is connected to a first node of the capacitor at a channel node, a second node of the capacitor is connected to the channel drive signal node, a second current flow node of the unidirectional current flow device is connected to the input node, and the output diode is connected between the channel node and the output node.