Method and apparatus for dynamic capacitor charging

摘要

A power converter and a method of operation thereof is disclosed including an input, an output, a sensor unit, a switched power converter, and a processor module. The power converter may convert an input power into an output power. The power converter may sense real-time measurements of the input power and the output power to determine a real-time calculated efficiency. The power converter may chop the input power into sized and positioned portions of the input power based on a plurality of determined operating parameters. The power converter may determine the operating parameters based on the real-time calculated efficiency and on a plurality of other operating factors/conditions.

主权项

1. An apparatus configured for energy transfer from an input to an output, the apparatus comprising:
at least a first capacitor, a second capacitor, and a third capacitor, wherein the third capacitor is coupled to the output; and a first plurality of switches including a first switch, a second switch, a third switch, a fourth switch, and a fifth switch; and a processing module configured to control the plurality of switches; wherein a first terminal of the first capacitor is coupled to a first terminal of the third capacitor through the first switch, a second terminal of the first capacitor is coupled to a second terminal of the third capacitor through the second switch, a first terminal of the second capacitor is coupled to the first terminal of the third capacitor through the third switch, a second terminal of the second capacitor is coupled to the second terminal of the third capacitor through the fourth switch, and the second terminal of the first capacitor is coupled to the first terminal of the second capacitor through the fifth switch; and further wherein the processing module is configured to, on a condition that an amplitude of a voltage at the input is low in comparison to a voltage at the output, control the first plurality of switches to charge the third capacitor directly from the input without first charging the first capacitor and the second capacitor.