Workshop on Practical Design of LED Systems














Date: Friday, November 18, 2016


Time: 7AM - 3PM PST


Location: Online

Practical Design of LED Systems



  • Design of LED systems can be challenging, even for those with a background in power design. Such systems have a complicated mixture of electrical, thermal and optical characteristics, all of which interact.

  • In this class we will focus on practical aspects of actually designing an LED system.

  • We start from the basics, looking at LED characteristics and understanding their datasheets.


  • We then look at some of the choices for driving LEDs, whether from DC source or from the AC line. The AC line is particular complex, due to EMI regulations, total harmonic distortion and power factor requirements, and lighting protection. We’ll be covering all of these in detail, as well as the interactions between their circuits. Flicker requirements, another difficult area for AC driven LEDs is also talked about. 


  • Some of the switch-mode power supply options are examined in more detail. We look carefully at the pros and cons of buck-derived vs. boost-derived circuits, one-stage vs. two-stage, looking at cost, performance and physical size. 


  • We then put the LEDs together with the power supply to see how they interact. The interaction can be very complicated due to the thermal and electrical variations of both the LEDs and the power supplies. 


  • We look at some common failure modes and what to do about them;


  • Finally look at some elementary modeling of the system, to ensure that the specifications are met before first light.

Who should attend:

  • LED System Designers

  • LED Manufacturing Engineers

  • Power Management Application Engineers

  • Field Application Engineers

  • Marketing and Sales Engineers

  • MS/PhD students 


Speaker: Ron Lenk
















Ron Lenk is a veteran engineer specializing in power supplies and LED drivers. He has 35 issued U.S. patents, and is the author of a best-selling book on power supplies, and co-author of a best-selling book on LEDs and LED drivers. He was co-founder and CEO of SuperBulbs (Switch Light), a venture-funded light bulb manufacturer. He is currently a consultant, doing both design work and invention. He is a senior member of the IEEE. He graduated from M.I.T. with an S.B. in Physics, and remains actively engaged in theoretical physics and mathematics. 

Books written by Ron Lenk

Cancellation Policy

Workshops are subject to cancellation if the minimum number of attendees is not met five days prior to the date of the seminar. 

In the event of short notice cancellation, Learner's Place's liability is limited solely to the refund of the course fees.