The LEDG Guide to Mean Well HLG Drivers: Part 1 – Constant Current & Series Wiring

The Mean Well HLG line is the undisputed king of drivers in the DIY LED grow light world. The goal for this series of videos is to provide a complete breakdown of everything you need to know about them, whether you’re totally new to DIY LED, or a seasoned vet. We’ll be covering:

  • Constant current vs. constant voltage and the pros and cons of each
  • Series and parallel wiring, and when you might need to use each type
  • A-type vs. B-type drivers and some considerations you’ll need to make when picking between them
  • Dimming single and multiple drivers
  • Reading the data sheets and applying the important specifications
  • Matching any LED to a CC and CV driver

Part 1 of this series provides an overview on the different types of drivers within the HLG line and focuses on constant current models and series wiring.

2 Comments

  1. Tyler

    Anyway to get dimming less than 50% with A series driver? I got mixed up and bought the A instead of B series before finding your site. Is it possible for a second dimmer or how I can integrate wifi control to bring down intensity for seedlings?. Thank you for your wealth of knowledge in this site for DIY community!

    • LEDGardener

      There’s no real easy way to do it, unfortunately.

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