US 11,967,895 B2
High efficiency power converting apparatus
Zeng Li, Shanghai (CN); Jinbiao Huang, Nashua, NH (US); and Xintao Wang, Pleasanton, CA (US)
Assigned to NuVolta Technologies (Hefei) Co., Ltd., Hefei (CN)
Filed by NuVolta Technologies (Hefei) Co., Ltd., Hefei (CN)
Filed on Mar. 30, 2022, as Appl. No. 17/657,186.
Application 16/950,223 is a division of application No. 15/985,227, filed on May 21, 2018, granted, now 10,868,429, issued on Dec. 15, 2020.
Application 17/657,186 is a continuation of application No. 16/950,223, filed on Nov. 17, 2020, granted, now 11,309,716.
Prior Publication US 2022/0224123 A1, Jul. 14, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H02J 7/00 (2006.01); H02J 7/02 (2016.01); H02J 7/14 (2006.01); H02J 50/12 (2016.01); H02M 3/07 (2006.01); H02M 7/219 (2006.01)
CPC H02M 3/07 (2013.01) [H02J 7/00 (2013.01); H02J 7/02 (2013.01); H02J 50/12 (2016.02); H02M 7/219 (2013.01); H02J 2207/20 (2020.01)] 20 Claims
OG exemplary drawing
 
1. A system comprising:
a first coil configured to be magnetically coupled to a second coil;
a rectifier coupled to the first coil through a capacitor;
a first power stage connected between an output of the rectifier and an output voltage node; and
a second power stage coupled between the output voltage node and a battery, wherein the first power stage is configured to charge the battery, and the second power stage is configured to provide isolation between the first power stage and the battery.