SDAA195 January   2026 LMG3522R030

1.   1
2.   Abstract
3.   Trademarks
4. 1Introduction
5. 2Operating Principles in a Flying Capacitor Switching Cell
   1. 2.1 Switching Pattern of a 3-Level Flying Capacitor Switching Cell
6. 3Design Considerations of a Flying Capacitor Switching Cell
   1. 3.1 Conduction and Switching Losses
      1. 3.1.1 AC Conduction Losses
      2. 3.1.2 AC Switching Losses
   2. 3.2 Passive Components Design
      1. 3.2.1 Boost Inductor Design
      2. 3.2.2 DC Link High Frequency Ripple
      3. 3.2.3 Flying Capacitor Design
   3. 3.3 Layout Considerations
   4. 3.4 Pre-Charging Network
7. 4Experimental Results
   1. 4.1 Pre-charging of the Flying Capacitor of TIDA-010957
   2. 4.2 Steady State Operation
8. 5Summary
9. 6References

Design Consideration of 3-Level Flying Capacitor Converters for Three-Phase AC/DC Applications