This course is part of the Modeling and Control of Power Electronics Specialization

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Dr. Dragan Maksimovic

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Part of the Master of Science in Electrical Engineering degree
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Modeling and Control of Power Electronics SpecializationUniversity of Colorado Boulder

About this Course

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This course can also be taken for academic credit as ECEA 5708, part of CU Boulder’s Master of Science in Electrical Engineering degree.
This is Course #4 in the Modeling and Control of Power Electronics course sequence. The course is focused on current-mode control techniques, which are very frequently applied in practical realizations of switched-mode. Practical advantages of peak current mode control are discussed, including built-in overcurrent protection, simpler and more robust dynamic responses, as well as abilities to ensure current sharing in parallel connected converter modules. For peak current-mode controlled converters, slope compensation, and high-frequency effects are discussed in detail. Upon completion of the course, you will be able to understand, analyze, model, and design high-performance current-mode controllers for dc-dc power converters, including peak current-mode controllers and average current-mode controllers. 

We strongly recommend students complete the CU Boulder Power Electronics specialization as well as Course #1 (Averaged-Switch Modeling and Simulation) before enrolling in this course (the course numbers provided below are for students in the CU Boulder's MS-EE program):
 
● Introduction to Power Electronics (ECEA 5700)
● Converter Circuits (ECEA 5701)
● Converter Control (ECEA 5702)
● Averaged-Switch Modeling and Simulation (ECEA 5705)

After completing this course, you will be able to:

● Understand the operating principles and benefits of current-mode control for dc-dc converters 
● Model and design peak current-mode controlled dc-dc converters 
● Model and design average current-mode controlled dc-dc converters 
● Use computer-aided tools and simulations to verify current-mode controlled dc-dc converters

Flexible deadlines

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Shareable Certificate

Earn a Certificate upon completion

100% online

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Coursera Labs

Includes hands on learning projects.

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Course 4 of 5 in the

Modeling and Control of Power Electronics Specialization

Intermediate Level

Approx. 13 hours to complete

English

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Skills you will gain

Power Electronics
Power Supplies
Modeling And Simulation
Power Electronics Design
Circuit Design

Flexible deadlines

Reset deadlines in accordance to your schedule.

Shareable Certificate

Earn a Certificate upon completion

100% online

Start instantly and learn at your own schedule.

Coursera Labs

Includes hands on learning projects.

Learn more about Coursera Labs

Course 4 of 5 in the

Modeling and Control of Power Electronics Specialization

Intermediate Level

Approx. 13 hours to complete

English

Could your company benefit from training employees on in-demand skills?

Try Coursera for Business

Instructor

Instructor rating

4.83/5 (6 Ratings)

Dr. Dragan Maksimovic

Charles V. Schelke Endowed Professor

Electrical, Computer and Energy Engineering

27,200 Learners

9 Courses

Offered by

University of Colorado Boulder

Start working towards your Master's degree

This course is part of the 100% online Master of Science in Electrical Engineering from University of Colorado Boulder. If you are admitted to the full program, your courses count towards your degree learning.

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Syllabus - What you will learn from this course

Week1

Week 1

5 hours to complete

Peak Current-Mode Control: Simple Model

5 hours to complete

7 videos (Total 86 min), 3 readings, 4 quizzes

7 videos

Introduction to Peak Current-Mode Control13mSimple Approximate Model10mSmall-signal Model Based on Simple Approximation9mDesign Example: Synchronous Buck POL Converter17mOscillation for D > 0.517mStabilization with Addition of an Artificial Ramp10mDesign Example Revisited: Inclusion of Artificial Ramp6m

3 readings

Introduction to the Course10mMATLAB and LTspice examples10mPI Compensator: Op-Amp Implementation10m

4 practice exercises

Practice: Introduction to Peak Current-Mode Control30mPractice: Peak Current-mode Controlled POL Regulator30mPractice: Slope Compensation30mPeak Current-Mode Control, Simple Model1h

Week2

Week 2

4 hours to complete

Peak Current-Mode Control: More Accurate Model

4 hours to complete

7 videos (Total 86 min)

7 videos

More Accurate Average Model10mAverage Spice CPM Subcircuit14mDesign Verification Using Average Circuit Simulations16mSmall-signal AC Equivalent Circuit Models6mTransfer Functions of CPM Controlled Converters14mAnalysis Example: CPM Controlled Boost Converter14mComparison of Frequency Responses of Duty-cycle and Current-mode Controlled Converters8m

4 practice exercises

Practice: More Accurate Large-Signal Averaged Model 30mPractice: Averaged Circuit Simulation30mPractice: More Accurate Small-Signal Model30mPeak Current-Mode Controlled Voltage Regulator1h

Week3

Week 3

3 hours to complete

High-Frequency Effects in Peak Current-Mode Control

3 hours to complete

10 videos (Total 75 min)

10 videos

Motivation for Modeling of High-Frequency Effects5mPulse-Width Modulator as a Sampler7mOverview of Sampled-Data Systems17mSampled-Data Modeling of Switching Converters4mIntroduction to Sampled-Data Modeling of Peak Current-Mode Controlled Converters6mDevelopment of Sampled-Data Model10mFrequency Responses of Sampled-Data Models4m1st Order Approximation9m2nd Order Approximation6mSummary and Conclusions2m

2 practice exercises

Practice: Introduction to Sampled-Data Modeling30mHigh-Frequency Effects in Peak Current-Mode Controlled Converters1h

Week4

Week 4

3 hours to complete

Average Current-Mode Control

3 hours to complete

6 videos (Total 73 min)

6 videos

Introduction to Average Current-Mode Control8mTransfer Functions of Average Current-mode Controlled Converters6mDesign Example: ACM Controlled Boost dc-dc Converter21mDesign Verification by Average Circuit Simulations10mDesign of the Voltage Control Loop8mDesign Example: ACM Controlled Boost dc Voltage Regulator18m

2 practice exercises

Practice: Averaged Current-Mode Control, Transfer Functions30mAverage Current-Mode Control1h

About the Modeling and Control of Power Electronics Specialization

This Specialization is intended for students and engineers seeking to advance skills in the analysis, modeling, and design of high-performance control loops around switched-mode dc-dc, ac-dc and dc-ac power converters. Through five courses, you will cover averaged-switch modeling and simulation techniques, techniques of design-oriented analysis, input filter design, peak and average current-mode control techniques, as well as modeling and control of single-phase power factor correction rectifiers, and inverters for photovoltaic power systems.

Frequently Asked Questions

When will I have access to the lectures and assignments?
Access to lectures and assignments depends on your type of enrollment. If you take a course in audit mode, you will be able to see most course materials for free. To access graded assignments and to earn a Certificate, you will need to purchase the Certificate experience, during or after your audit. If you don't see the audit option:
The course may not offer an audit option. You can try a Free Trial instead, or apply for Financial Aid.
The course may offer 'Full Course, No Certificate' instead. This option lets you see all course materials, submit required assessments, and get a final grade. This also means that you will not be able to purchase a Certificate experience.
What will I get if I subscribe to this Specialization?
When you enroll in the course, you get access to all of the courses in the Specialization, and you earn a certificate when you complete the work. Your electronic Certificate will be added to your Accomplishments page - from there, you can print your Certificate or add it to your LinkedIn profile. If you only want to read and view the course content, you can audit the course for free.
Is financial aid available?
Yes. In select learning programs, you can apply for financial aid or a scholarship if you can’t afford the enrollment fee. If fin aid or scholarship is available for your learning program selection, you’ll find a link to apply on the description page.

More questions? Visit the Learner Help Center.

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Current-Mode Control

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