US 12,278,552 B2
Converter circuits
Lei Xing, South Windsor, CT (US); Suman Dwari, East Hartford, CT (US); and W. Warren Chen, Glastonbury, CT (US)
Assigned to Hamilton Sundstrand Corporation, Charlotte, NC (US)
Filed by Hamilton Sundstrand Corporation, Charlotte, NC (US)
Filed on Mar. 28, 2023, as Appl. No. 18/127,577.
Application 18/127,577 is a continuation in part of application No. 18/107,997, filed on Feb. 9, 2023, abandoned.
Prior Publication US 2024/0275262 A1, Aug. 15, 2024
Int. Cl. B60L 50/00 (2019.01); B64D 41/00 (2006.01); H02M 1/00 (2007.01); H02M 3/335 (2006.01)
CPC H02M 1/0095 (2021.05) [B60L 50/00 (2019.02); B64D 41/00 (2013.01); H02M 3/33584 (2013.01); B60L 2200/10 (2013.01); B60L 2210/00 (2013.01); B64D 2221/00 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A system, comprising:
a bi-directional converter circuit comprising a plurality of switches and a flying capacitor configured to experience a low voltage or a high voltage, wherein the plurality of switches includes a first switch, a second switch, a third switch, a fourth switch, a fifth switch, and a sixth switch, wherein the first switch and the second switch are connected to a neutral point on a branch between a first node on a first side of the flying capacitor and a second node on a second side of the flying capacitor, wherein the first switch, the third switch, and the fourth switch are coupled on separate branches from the first node on the first side of the flying capacitor, and wherein the second switch, the fifth switch, and the sixth switch are coupled on separate branches from the second node on the second side of the flying capacitor; and
a control module operatively connected to the plurality of switches and configured to control a state of the plurality of switches, wherein the control module is configured to receive a sense signal indicative of a flying capacitor voltage and to control one or more switches of the plurality of switches to charge or discharge the flying capacitor to maintain a target voltage or target voltage range.