Circuit arrangement for current and charge regulation of several capacitive loads compares instantaneous values of current and charge or current and its integral with reference signal per load

摘要

The arrangement has a common electrical source for the loads and a pulse controller with a control circuit operating in sliding mode with two-point operation for driving each load. The pulse controllers are connected in series. The instantaneous values of current and charge or current and its integral are determined individually per load and compared with a reference signal and the difference is fed to the control circuit for the pulse controller.