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SunCam: Online Continuing Education Classes

071-Switchmode Boost Power Converter Using Voltage-Mode Control

By: Raymond L. Barrett, Jr., PhD, PE

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Course Objective

This continuing education course is written specifically for professional engineers with the objective of relating to and enhancing the practice of engineering.

Course Description

071-Switchmode Boost Power Converter Using Voltage-Mode Control

The Switchmode Boost converter is used widely for high efficiency conversion of DC power available at a lower voltage and delivered to a load at a higher voltage. This course develops models of the Boost converter with voltage-mode control. Basic operation, a practical of example, and large/small signal models are discussed. The considerations for feedback regulation and feedforward control of the converter are introduced.

The selection of appropriate inductor and capacitor values are discussed, considering the frequency of operation and other design parameters. A constant-frequency Pulse-Width Modulator (PWM) controller is employed. We develop the feedback conditions for frequency-domain, small-signal, stability in the open-loop model and include a Pole-Zero (PZ) compensator for good margins. We introduce the Zero-Order-Hold (ZOH) effects of the inherent sampling caused by cycle-by-cycle control and include those effects in the (PZ) compensator. The loop is closed and a "soft-start" capability added to high inrush currents during startup. Line and load regulation are shown for the example as well as transient load recovery. The material covered should enable a working engineer to construct a stable Boost converter using voltage control.

071-Switchmode Boost Power Converter Using Voltage-Mode Control
Don Edwards
12/30/2016
Verified Buyer
this is a good course, but it is highly technical. I doubt that many people can realistically finish it in 4 hours.
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(no title provided)
10/24/2010
The course does logically go through the steps to design a switching boost supply. More time with explanations of tradeoffs and practical limitations rather than deriviations would have been more helpful. The down side for me was the amount of time spent deriving complex equations: often it was not clear where the original equation came from, it was not clear how the equation was manipulated, and (worst) it was not clear how the final equation applied to the discussion. The good news is one can skim the worst derivations and still learn from this course.
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Price: $90.00
Quantity:
Course Code: 100206-05
Course PDH Hours: 4
Engineering Course Approvals
  • This course is accepted for engineering continuing education credit in all states.

About Course Approvals

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