SDAA195
January 2026
LMG3522R030
1
Abstract
Trademarks
1
Introduction
2
Operating Principles in a Flying Capacitor Switching Cell
2.1
Switching Pattern of a 3-Level Flying Capacitor Switching Cell
3
Design Considerations of a Flying Capacitor Switching Cell
3.1
Conduction and Switching Losses
3.1.1
AC Conduction Losses
3.1.2
AC Switching Losses
3.2
Passive Components Design
3.2.1
Boost Inductor Design
3.2.2
DC Link High Frequency Ripple
3.2.3
Flying Capacitor Design
3.3
Layout Considerations
3.4
Pre-Charging Network
4
Experimental Results
4.1
Pre-charging of the Flying Capacitor of TIDA-010957
4.2
Steady State Operation
5
Summary
6
References
6
References
Texas Instruments,
Design considerations of a 10kW single-phase string inverter based on TI GaN FETs,
, technical article.
How2Power,
Assessing Performance of A 10kW String Inverter Based on GaN FETs
, article.
Texas Instruments,
Comparison of AC/DC Power-Conversion Topologies for Three-Phase Industrial Systems
, seminar.
IEEE,
Inverter Side RL Filter Precise Design for Motor Overvoltage Mitigation in SiC-Based Drives
, article.
Texas Instruments,
15kW, Bidirectional, Three-Phase plus Neutral Flying Capacitor based on GaN Reference Design
, design guide.