Agenda: Control loop design for power supplies can be challenging, even for those with a background in analog electronics. Translating from textbook theory to actual designs that can be implemented on a circuit board requires experience that can take years to acquire. In this class we will speed up the process by focusing on practical aspects of simulating and designing control loops for power supplies. In particular, we will be using LTSpice, a free simulator, to compute the necessary feedback system and then verify its design. We start from the basics, explaining practically how to measure the transfer function of the power stage of a power supply. We also spend time showing the basics of LTSpice, and then use it to model the power stage. We look carefully at the potential pitfalls of using modeling. We show how to build both switching models and state-space average models of a power supply in LTSpice. We show how to use the latter to measure the transfer function, and also how to practically do the same thing on the lab bench. We then look at the three main types of feedback control, and build models of these. We combine the two models together and show how to measure the complete transfer function of the power supply, hot to verify its bandwidth and phase margin, and how to do that on the lab bench. Finally, we build a complete switching model of the power supply, and verify its stable performance.
Who should attend: Power management professionals who want to demystify the control topology to advance their career in their respective areas Marketing and sales people who want to learn the control topology to have a better understanding of the DC-DC converters MS/PhD students who want to learn industry oriented power management knowledge
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https://www.learnersplace.com/copy-of-led-system-design-2016-1
JOSIL ARTISTA PLASTICO FORTALEZA CEARA BRASIL AV.HERACLITO GRAÇA 41 TEL(85)32542378
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