Power factor correct (PFC) basics and design considerations

Applications Engineer Jason Tao discusses PFC basics, topology comparisons and design considerations to achieve a cost-optimized and efficient PFC design.

1. Power factor correction (PFC) basics
2. Power factor correction (PFC) classification and control laws
3. Power factor correction (PFC) topology comparison
4. How to design an efficient power factor correction (PFC) circuit
5. Power factor correction (PFC) design example

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1. Power factor correction (PFC) basics

Learn what power factor correction (PFC) is, the basics of power factor measurement and why PFC is needed. Also learn about EN6100-3-2 and Energy Star standards for power supplies.

#		Title	Duration	Overview
1.1		Power factor correction (PFC) basics Jason Tao gives an introduction to power factor correction (PFC) basics.	09:09	Jason Tao gives an introduction to power factor correction (PFC) basics.

2. Power factor correction (PFC) classification and control laws

Learn the difference between different PFC classifications and the advantages and disadvantages of peak current mode control, average current mode control and hysteresis current mode control.

#		Title	Duration	Overview
2.1		Power factor correction (PFC) classification and control laws Jason Tao discusses the different power factor correction (PFC) classifications.	07:42	Jason Tao discusses the different power factor correction (PFC) classifications.

3. Power factor correction (PFC) topology comparison

Learn about the advantages and disadvantages of classic boost PFC, dual boost bridge-less PFC, totem-pole bridge-less PFC and interleaved boost PFC. Also learn about the main power loss components in typical PFC circuits resulting in bridge low, choke loss, boost diode loss and switch loss.

#		Title	Duration	Overview
3.1		Power factor correction (PFC) topology comparison Jason Tao discusses the different PFC circuit topologies and their advantages and disadvantages.	12:00	Jason Tao discusses the different PFC circuit topologies and their advantages and disadvantages.

4. How to design an efficient power factor correction (PFC) circuit

Learn the calculations and considerations required to design an efficient PFC choke inductor. Also learn how to further optimize efficiency and achieve a stable system. Finally, discover PCB layout considerations for power stage and control stage.

#		Title	Duration	Overview
4.1		How to design an efficient power factor correction (PFC) circuit Jason Tao discusses the calculations and considerations needed to design an efficient PFC circuit.	08:14	Jason Tao discusses the calculations and considerations needed to design an efficient PFC circuit.

5. Power factor correction (PFC) design example

Learn about the design methodology and test results from the 230 V, 3.5 kW power factor correction (PFC) reference design.

#		Title	Duration	Overview
5.1		Power factor correction (PFC) design example Jason Tao discusses the design considerations and test results of an actual PFC reference design.	07:23	Jason Tao discusses the design considerations and test results of an actual PFC reference design.