SLUAAS5A November   2025  – June 2026 LMG3427R030 , LMG3427R050

1.   1
2.   Summary
3. 1Implementation of LMG3427 in Interleaved TCM PFC
   1. 1.1 Topology of Interleaved TCM PFC
   2. 1.2 ZCD Detection Principle for LMG3427
   3. 1.3 Application Timing for TCM PFC Based on LMG3427
4. 2ZCD Timing Issue Caused by Inter-phase Capacitance in TCM PFC
   1. 2.1 Inter-phase Parasitic Capacitance Caused by Poor Layout
   2. 2.2 ZCD Timing Issue Caused by Inter-phase Parasitic Capacitance
   3. 2.3 Analysis of ZCD Timing Issue Caused by Inter-phase Capacitance in TCM PFC
5. 3How to Avoid ZCD Timing Issue Caused by Inter-phase Capacitance During PCB Design
6. 4Summary
7. 5References

How to Avoid LMG3427 ZCD Timing Issue Caused by Inter-phase Capacitance in TCM PFC