Design of a Flying-Capacitor-Based Voltage Divider <i>LLC</i> Resonant Converter for USB-C PD Charger in Aircraft Applications

Hu, Jiewen; Wen, Bo; Burgos, Rolando; Fernandez-Mattos, Rodrigo; McLean, Andrew

doi:10.1109/tpel.2023.3270401

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Cited by 9 publications

References 77 publications

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Three-Level Flying-Capacitor-Based 100 W USB-C PD GaN Charger in Aircraft Applications

Zhao,

Hu,

Burgos

et al. 2024

2024 IEEE Applied Power Electronics Conference and Exposition (APEC)

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Three-Level Flying-Capacitor-Based 100 W USB-C PD GaN Charger in Aircraft Applications

Zhao,

Hu,

Burgos

et al. 2024

2024 IEEE Applied Power Electronics Conference and Exposition (APEC)

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The Flying Capacitor LLC Converter: A Hybrid Switched Capacitor Converter with Galvanic Isolation for Large Step-Down Applications

Horowitz,

Brooks,

Ellis

et al. 2023

2023 IEEE 24th Workshop on Control and Modeling for Power Electronics (COMPEL)

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In this work, we combine two popular power conversion topologies, the flying capacitor multilevel (FCML) converter and the LLC converter, to arrive at the proposed flying capacitor LLC (FCLLC) solution with advantages of each. The FCLLC comprises a stepdown resonant switched-capacitor (ReSC) stage followed by a resonant transformer-based stage which provides soft charging of the flying capacitors, galvanic isolation, and an additional step-down through the transformer. These conversion ratios are multiplied, making the FCLLC especially suited for extreme conversion ratios. An FCLLC prototype capable of direct 400 V to 1 V conversion is fabricated, which demonstrates the potential this topology has for future datacenter applications.

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Hardware Design Considerations for a 100 W USB Type-C Power Delivery in Aircraft Application

Zhao,

Burgos,

Wen

et al. 2023

2023 22nd International Symposium on Power Electronics (Ee)

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Design of a Flying-Capacitor-Based Voltage Divider LLC Resonant Converter for USB-C PD Charger in Aircraft Applications

Cited by 9 publications

References 77 publications

Three-Level Flying-Capacitor-Based 100 W USB-C PD GaN Charger in Aircraft Applications

Three-Level Flying-Capacitor-Based 100 W USB-C PD GaN Charger in Aircraft Applications

The Flying Capacitor LLC Converter: A Hybrid Switched Capacitor Converter with Galvanic Isolation for Large Step-Down Applications

Hardware Design Considerations for a 100 W USB Type-C Power Delivery in Aircraft Application

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