1. A capacitance-sensing circuit comprising: a channel input associated with measuring a capacitance of a unit cell of a capacitive sense array; and a capacitive hardware baseliner coupled to the channel input, wherein the capacitive hardware baseliner comprises: a programmable baseline capacitor; a programmable baseline resistor; and a current buffer with an input coupled to the programmable baseline capacitor and the programmable baseline resistor and an output coupled to the channel input, wherein the capacitive hardware baseliner generates a baseline current based on a time constant of the channel input associated with the measuring of the capacitance of the unit cell of the capacitive sense array using the programmable baseline capacitor and the programmable baseline resistor, wherein the capacitive hardware baseliner provides the baseline current at the channel input to provide a charge for a sense capacitor, wherein a change in the charge of the sense capacitor is provided by the baseline current indicating a presence of a touch object proximate to the unit cell.