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⇱ Current-Mode Control | Coursera

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Gain insight into a topic and learn the fundamentals.
4.9

22 reviews

Intermediate level
Some related experience required
Flexible schedule
1 week at 10 hours a week
Learn at your own pace
Gain insight into a topic and learn the fundamentals.
4.9

22 reviews

Intermediate level
Some related experience required
Flexible schedule
1 week at 10 hours a week
Learn at your own pace

What you'll learn

  • 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

Details to know

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Assessments

12 assignments

Taught in English
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Build your subject-matter expertise

This course is part of the Modeling and Control of Power Electronics Specialization
When you enroll in this course, you'll also be enrolled in this Specialization.
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  • Gain a foundational understanding of a subject or tool
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  • Earn a shareable career certificate

There are 4 modules in this course

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

Introduction to peak current-mode control, simple model, and the need for slope compensation

What's included

7 videos7 readings4 assignments1 discussion prompt

7 videos•Total 86 minutes
  • Introduction to Peak Current-Mode Control•14 minutes
  • Simple Approximate Model•10 minutes
  • Small-signal Model Based on Simple Approximation•10 minutes
  • Design Example: Synchronous Buck POL Converter•18 minutes
  • Oscillation for D > 0.5•17 minutes
  • Stabilization with Addition of an Artificial Ramp•11 minutes
  • Design Example Revisited: Inclusion of Artificial Ramp•6 minutes
7 readings•Total 56 minutes
  • Course Updates and Accessibility Support•1 minute
  • Non-Credit Students: Welcome and Where to Find Help•10 minutes
  • Introduction to the Course•10 minutes
  • Accessing & Using MATLAB•10 minutes
  • Accessing & Using LTspice•5 minutes
  • Course MATLAB & LTspice Examples•10 minutes
  • PI Compensator: Op-Amp Implementation•10 minutes
4 assignments•Total 150 minutes
  • Practice: Introduction to Peak Current-Mode Control•30 minutes
  • Practice: Peak Current-mode Controlled POL Regulator•30 minutes
  • Practice: Slope Compensation•30 minutes
  • Peak Current-Mode Control, Simple Model•60 minutes
1 discussion prompt•Total 10 minutes
  • Introduce Yourself•10 minutes

More accurate averaged model, averaged circuit simulations, and design of control loops

What's included

7 videos4 assignments

7 videos•Total 86 minutes
  • More Accurate Average Model•11 minutes
  • Average Spice CPM Subcircuit•14 minutes
  • Design Verification Using Average Circuit Simulations•16 minutes
  • Small-signal AC Equivalent Circuit Models•6 minutes
  • Transfer Functions of CPM Controlled Converters•15 minutes
  • Analysis Example: CPM Controlled Boost Converter•15 minutes
  • Comparison of Frequency Responses of Duty-cycle and Current-mode Controlled Converters•8 minutes
4 assignments•Total 150 minutes
  • Practice: More Accurate Large-Signal Averaged Model •30 minutes
  • Practice: Averaged Circuit Simulation•30 minutes
  • Practice: More Accurate Small-Signal Model•30 minutes
  • Peak Current-Mode Controlled Voltage Regulator•60 minutes

Introduction to the sampled-data nature of switching converters and high-frequency effects in peak current-mode controlled converters

What's included

10 videos2 assignments

10 videos•Total 75 minutes
  • Motivation for Modeling of High-Frequency Effects•5 minutes
  • Pulse-Width Modulator as a Sampler•7 minutes
  • Overview of Sampled-Data Systems•17 minutes
  • Sampled-Data Modeling of Switching Converters•5 minutes
  • Introduction to Sampled-Data Modeling of Peak Current-Mode Controlled Converters•7 minutes
  • Development of Sampled-Data Model•10 minutes
  • Frequency Responses of Sampled-Data Models•4 minutes
  • 1st Order Approximation•10 minutes
  • 2nd Order Approximation•7 minutes
  • Summary and Conclusions•3 minutes
2 assignments•Total 90 minutes
  • Practice: Introduction to Sampled-Data Modeling•30 minutes
  • High-Frequency Effects in Peak Current-Mode Controlled Converters•60 minutes

Averaged current-mode control and design of current and voltage control loops

What's included

6 videos2 assignments

6 videos•Total 73 minutes
  • Introduction to Average Current-Mode Control•8 minutes
  • Transfer Functions of Average Current-mode Controlled Converters•7 minutes
  • Design Example: ACM Controlled Boost dc-dc Converter•21 minutes
  • Design Verification by Average Circuit Simulations•10 minutes
  • Design of the Voltage Control Loop•8 minutes
  • Design Example: ACM Controlled Boost dc Voltage Regulator•18 minutes
2 assignments•Total 90 minutes
  • Practice: Averaged Current-Mode Control, Transfer Functions•30 minutes
  • Average Current-Mode Control•60 minutes

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Build toward a degree

This course is part of the following degree program(s) offered by University of Colorado Boulder. If you are admitted and enroll, your completed coursework may count toward your degree learning and your progress can transfer with you.¹

Instructor

Instructor ratings
4.8 (7 ratings)
University of Colorado Boulder
9 Courses•35,616 learners

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AV
·

Reviewed on Mar 6, 2025

good course, would like a little bit more explanation from the professor

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