An apparatus comprising: a first discharge circuit for discharging a first capacitive load; a second discharge circuit for discharging a second capacitive load; a control circuit coupled to the first and second discharge circuits and configured to control the second discharge circuit; wherein the control circuit comprises: a first scaler circuit configured to generate a first scaled voltage based on a first voltage on the first capacitive load; a second scaler circuit configured to generate a second scaled voltage based on a second voltage on the second capacitive load, wherein the first voltage is limited to a first voltage range, the second voltage is limited to a second voltage range, and wherein the first voltage range and the second voltage range are different from each other; a comparator circuit for comparing the first and second scaled voltages, wherein the comparator circuit asserts a control signal when the second scaled voltage exceeds the first scaled voltage; wherein the second discharge circuit is configured to be activated and deactivated with the output of the comparator circuit in order to provide a pulsed discharge current, and to discharge the second capacitive load when the comparator circuit asserts its control signal; wherein the first scaler circuit limits the first scaled voltage to a common voltage range; and wherein the second scaler circuit limits the second scaled voltage to the common voltage range, such that the second scaled voltage initially matches the first scaled voltage, and wherein the first discharge circuit comprises a first current source for providing a first current for discharging the first capacitive load; wherein the second discharge circuit comprises a second current source for providing a second current for discharging the second capacitive load when the control signal is asserted; wherein a magnitude of the second current depends on a capacitance of the first capacitive load, a capacitance of the second capacitive load, a magnitude of the first current, the first voltage, and the second voltage. a first discharge circuit for discharging a first capacitive load; a second discharge circuit for discharging a second capacitive load; a control circuit coupled to the first and second discharge circuits and configured to control the second discharge circuit; wherein the control circuit comprises: a first scaler circuit configured to generate a first scaled voltage based on a first voltage on the first capacitive load; a second scaler circuit configured to generate a second scaled voltage based on a second voltage on the second capacitive load, wherein the first voltage is limited to a first voltage range, the second voltage is limited to a second voltage range, and a first scaler circuit configured to generate a first scaled voltage based on a first voltage on the first capacitive load; a second scaler circuit configured to generate a second scaled voltage based on a second voltage on the second capacitive load, wherein the first voltage is limited to a first voltage range, the second voltage is limited to a second voltage range, and wherein the first voltage range and the second voltage range are different from each other; a comparator circuit for comparing the first and second scaled voltages, wherein the comparator circuit asserts a control signal when the second scaled voltage exceeds the first scaled voltage; wherein the second discharge circuit is configured to be activated and deactivated with the output of the comparator circuit in order to provide a pulsed discharge current, and to discharge the second capacitive load when the comparator circuit asserts its control signal; wherein the first scaler circuit limits the first scaled voltage to a common voltage range; and wherein the second scaler circuit limits the second scaled voltage to the common voltage range, such that the second scaled voltage initially matches the first scaled voltage, and wherein the first discharge circuit comprises a first current source for providing a first current for discharging the first capacitive load; wherein the second discharge circuit comprises a second current source for providing a second current for discharging the second capacitive load when the control signal is asserted; wherein a magnitude of the second current depends on a capacitance of the first capacitive load, a capacitance of the second capacitive load, a magnitude of the first current, the first voltage, and the second voltage.