US 12,081,110 B2
Power conversion module and power converter
Zhen Zhang, Nanjing (CN); Wang Zhang, Nanjing (CN); and Junyan Sun, Nanjing (CN)
Assigned to Nanjing Silergy Micro Technology Co., Ltd., Nanjing (CN)
Filed by Nanjing Silergy Micro Technology Co., Ltd., Nanjing (CN)
Filed on Sep. 9, 2022, as Appl. No. 17/941,716.
Claims priority of application No. 202111123862.X (CN), filed on Sep. 24, 2021.
Prior Publication US 2023/0102822 A1, Mar. 30, 2023
Int. Cl. H02M 3/158 (2006.01); H02M 1/00 (2006.01); H02M 1/14 (2006.01)
CPC H02M 1/007 (2021.05) [H02M 1/14 (2013.01); H02M 3/1584 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A power conversion module, comprising:
a) an i-th level structure comprising 2i-1 basic units, a second terminal of each basic unit in each level structure respectively connected to first terminals of two basic units in a next level structure, wherein a first terminal of a first basic unit in a first-level structure is used as a first terminal of the power conversion module;
b) an N-th level structure comprising 2N-1 balance units, wherein second terminals of each balance unit are connected as a second terminal of the power conversion module, and second terminals of each basic unit in an (N-1)th level structure are respectively connected to first terminals of two balance units in the N-th level structure;
c) wherein each basic unit comprises a switched capacitor circuit, N is a positive integer greater than or equal to 2, i is a positive integer, and 1≤i≤N-1; and
d) wherein an output voltage at an output terminal of the power conversion module is positively correlated to the number of levels of the power conversion module and to a duty ratio of a driving signal of a first switch in the balance unit.