1. Power PSoC 101: Intro to Power Converters

2. Section 1: Power Converter Overview Course Outline Section 2: Power Converter Circuit Elements Section 3: Operating Principle Section 4: Converter Topologies Section 5: Converter Transfer Functions Section 6: Control Techniques

3. Course Objectives At the end of this course, you should be able to: Identify power converter variants and their constituents Define the functional requirements for a power converter Explain the principle of operation of power convertersList basic topologies and their transfer functionsExplain the concept of commonly used control techniques

4. 1 Power Converter Overview

5. What is Power Converter? A power converter is an electronic circuit that processes power in its available form and converts it to the required voltage/power levels that the devices specifically demand

6. Common Converter Characteristics Voltage regulation Efficiency Noise, Distortion, Power Factor Communications interface Size Safety Protection

7. Power Converter Circuit Elements 2

8. Power Converter Components Semiconductor Switch Unidirectional Bidirectional

9. Power Converter Components

10. Inductor Lossless reactive circuit element Stores energy in its magnetic field Instantaneous voltage proportional to rate of change of current Power Converter Components  Steady state average voltage across the inductor equals zero.

11. Power Converter Components Capacitor Lossless reactive circuit element Stores energy in its dielectric field Instantaneous current proportional to rate of change of voltage Steady state average current through the capacitor equals zero.

12. Operating Principle 3

14. 4 Converter Topologies

15. Power Converter Topologies Buck: V o <= V i Boost: V o >= V i Buck-boost: V o -V i

16. Converter Transfer Functions 5

17. V o = D.V i Steady State Transfer Function - Buck

18. Steady State Transfer Function - Boost V o = V i /(1-D)

19. V o = -D.V i /(1-D) Steady State Transfer Function – Buck-Boost

20. Control Techniques 6

21. Control Techniques – Voltage Mode

22. Control Techniques – Peak Current Mode

23. Course Summary Overview to power converters and its common characteristics basic circuit elements used in a power converter operating principle of converters 3 basic topologies the buck, boost and buck-boost state transfer functions for the basic converter types Peak Current and voltage mode techniques

24. Next Steps Support www.cypress.com/support Online Support CYPros Phone Hotline, (425) 787-4814 Technical Resources www.cypress.com/designresources Technical Reference Manual Datasheets/Application Notes Reference Designs On-Demand Training Hands-On Workshops Webinars Learn More about PSoC hardware design tools and PSoC-based solutions at www.cypress.com/psocwww.cypress.com/psoc www.cypress.com/training NOW