Power Tips: LED Regulator with Current-Mode Control
Details
Date:
October 1, 2015
Synchronous buck converters are commonly used to regulate the current in LEDs. In this Power Tips "Ask the Expert" video, Dave asks TI’s John Betten to demonstrate how to compensate the control loop in a peak current-mode controller to ensure stability when you regulate current rather than the output voltage.
- Read Power Tips: Current-Mode Control Makes Compensating a Buck LED Regulator Easy on TI’s Power House blog. Complete article on EETimes.
- Read additional blog posts authored by John Betten.
Product Resources
- For more information, visit the product folder and datasheet for the TPS54218 SWIFT™ step-down converter.
- Download the complete TI Design: (PMP10487) 2.9Vdc - 5.5Vdc Input Sync-Buck 1A LED Driver Reference Design
Additional information
- Visit TI's Power Tips blog series on Power House for more tips on power design challenges.
- Learn more about power topologies with the Power Topology Quick Reference Guide.
- View TI's World of Power series for additional training on power supply designs.
- Design the power stage of most commonly used switchmode power supplies with the Power Stage Designer™ Tool.
- For more power supply technical content, visit TI's comprehensive library of white papers from the popular TI Power Supply Design Seminar series.
This course is also a part of the following series
Power Tips
Date: September 21, 2015
Power Tips
Date: September 23, 2017