SLYT877
April 2026
LMG3427R030
,
TMS320F280039C
1
1
Introduction
2
How to let PFC enter TCM at light loads
3
How to detect zero current
4
How to achieve ZVS at TCM
5
Transitioning between CCM and TCM
6
Dynamic dead time
7
Control law and PWM generation
8
Test results
9
Conclusion
10
References
11
About the author
Analog Design Journal
A novel CCM-TCM multimode control method for totem-pole bridgeless PFC