Conversion circuit, control method, and power supply device

Z Wang, L Shi, D Fu - US Patent 11,201,565, 2021 - Google Patents
A conversion circuit is disclosed. In the conversion circuit, an input terminal includes a
positive direct current bus terminal and a negative direct current bus terminal, and an output …

Three-level converter using an auxiliary switched capacitor circuit

K Scoones, O Lazaro, A Aguilar, JA Morroni… - US Patent …, 2018 - Google Patents
David Clayton Reusch,“High frequency, high power density inte grated point of load and bus
converters," Virginia Tech PhD Dissertation, 2012; retrieved on Sep. 6, 2017 from the …

Hybrid multilevel inverters with reduced voltage stress

D Fu, Z Wang, L Shi - US Patent 10,903,758, 2021 - Google Patents
(57) ABSTRACT A method comprises during a first half cycle, configuring a first switch to
operate as an always-on switch, turning on a second switch prior to turning on a third switch …

Voltage balance control device and voltage balance control method for flying-capacitor multilevel converter

G Shen, G Xu, J Zhang - US Patent 10,199,822, 2019 - Google Patents
ABSTRACT A voltage balance control device and a voltage balance control method for a
flying-capacitor multilevel converter are provided. A current direction forecasting unit …

Three-level converter using an auxiliary switched capacitor circuit

K Scoones, O Lazaro, A Aguilar, JA Morroni… - US Patent …, 2021 - Google Patents
In a described example, an apparatus includes a first switch coupled between a terminal for
receiving an input voltage and a top plate node, and having a first control terminal; a second …

Three-level converter using an auxiliary switched capacitor circuit

K Scoones, O Lazaro, A Aguilar, JA Morroni… - US Patent …, 2019 - Google Patents
In a described example, an apparatus includes a first switch coupled between a terminal for
receiving an input voltage and a top plate node, and having a first control terminal; a second …

Power conversion structure, power conversion method, electronic device including power conversion structure, and chip unit

Z Li, J Zhang, KUN Cheong, FC Zhan… - US Patent 11,522,466, 2022 - Google Patents
2022-05-24 Assigned to NUVOLTA TECHNOLOGIES (HEFEI) CO., LTD. reassignment
NUVOLTA TECHNOLOGIES (HEFEI) CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST …

Distribution networks with flexible direct current interconnection system

R Majumder, F Dijkhuizen, B Berggren - US Patent 10,971,934, 2021 - Google Patents
Systems, methods, techniques, and apparatuses of a medium voltage alternating current
(MVAC) network are disclosed. One exemplary embodiment is a direct current (DC) inter …

Circuit for battery charging and system supply, combining capacitive and inductive charging

S Eftimie - US Patent 11,201,493, 2021 - Google Patents
(57) ABSTRACT A power converter and methods with an input terminal, a capacitor, a first
output terminal, a second output terminal, an output switch between the first output terminal …

Zero voltage switching flying capacitor power converters

EH Wittenbreder Jr - US Patent 11,515,789, 2022 - Google Patents
Circuit structures and methods are described for achieving zero voltage switching in flying
capacitor converters for both isolated and non-isolated applications. A first method is …