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Power Management Design Articles

 

Display and LED Power Supply Design

Title Author Publication Publication Date
LEDs: Beyond High Brightness Rick Zarr Photonics Spectra 11/09
Drive Multiple LED Strings with SEPIC Converters L.K. Wong & T.K. Man How2Power 11/09
Things to Keep in Mind When Designing Power Management Circuitry Travis Eichhorn EETimes / Embedded.com 10/20/09
High-Performance LED Flash for Camera Phones Dario Nurzad & Humair Khan Mobile Handset DesignLine 8/10/09
Inductive-Boost WLED Drivers for Handhelds Dario Nurzad Electronic Products 8/3/09
Hybrid Control Techniques Drive Different LED Applications James Patterson LEDs Magazine 8/3/09
A Fail-Safe Approach to LEDs
Choose the right high-brightness LED & protect it from over-temperature
Jeff Perry EDN 4/9/09
LED Lighting And Light Pollution Joe DeNicholas Electronic Design 3/26/09
Driving High-Power LEDs in SeriesParallel Arrays Chris Richardson EDN 11/27/08
Driving LEDs in the Automotive World Eric Hoyt LED Journal 11/08
Display Interfacing – Moving Beyond the Pixels James E. Schuessler Information Display 10/08
A Matter of Light, Part 1--The ABC's of LEDs Sameh Sarhan & Chris Richardson Power Management DesignLine 05/08
A Matter of Light, Part 2--Buck Whenever Possible Sameh Sarhan & Chris Richardson Power Management DesignLine 05/08
A Matter of Light, Part 3--When to Buck & Buck-Boost Sameh Sarhan & Chris Richardson Embedded.com 05/08
A Matter of Light, Part 4--PWM Dimming Sameh Sarhan & Chris Richardson Power Management DesignLine 06/08
LED Backlighting for LCDs Requires Unique Drivers Tomi Koskela Power Electronics Technology 05/12/08
Backlight LED Driver System in Small Format Liquid Crystal Displays Dario Nurzad Low-Power Design 05/08
Methods and Features of LED Drivers Akira Takahashi Electronic Products 03/08
Want to Boost Battery Voltage in White LED Apps? Dario Nurzad Mobile Handset Designline 03/31/08
The multiple challenges involved in flash LED driver selection--and how to solve them Greg Lubarsky Mobile Handset Designline 03/31/08
Matching Driver to LED Chris Richardson Photonics Spectra 01/08
Taming the Boost: Predicting and Measuring Feedback Loops in Current-mode Boost HPLED Drivers - Part Two Chris Richardson Planet Analog 10/28/07
Taming the Boost: Predicting and Measuring Feedback Loops in Current-mode Boost HPLED Drivers - Part One Chris Richardson Planet Analog 10/26/07
Driving High-Power LEDS Rick Zarr Machine Design 10/25/07
Your Walls Will Be Changing Jeffrey Kwon Digital TV Designline 09/12/07
Cascaded Converter Boosts LED-Drive Capability Grant Smith EDN 08/16/07
Mobile Video Serial Screen Link: Part of a Healthy Power Consumption Diet Todd Whitaker Video/Imaging DesignLine 06/29/07
Series or Parallel LED's in White LED Backlighting Travis Eichhorn Electronic Products 06/07
LEDs Diverse Advances Lead to Numerous Possibilities Karl Schlossstein Planet Analog 09/11/06
Selecting LED Drivers for Wireless Products Jaakko Latvala Electronic Products 06/06
Control LCD Registers and Backlight Voltage with Two Wires Wallace Ly,
Paul Brown
Electronic Design 04/13/06
Adaptive-Gain Charge-Pump Technique Drives White LEDs Dario Nurzad Electronic Design 01/19/06

Portable and Handheld Power Supply Design

Title Author Publication Publication Date
Give Your Battery A Rest With A Supercapacitor-based Power Subsystem Greg Lubarsky How2Power 11/09
Engineering Portable Power Rick Zarr New Electronics 11/23/09
Things to Keep in Mind When Designing Power Management Circuitry Travis Eichhorn EETimes / Embedded.com 10/20/09
The Future of Mobile Power Rick Zarr Low-Power Design 12/08
Periodic steady-state and small-signal analyses of switching regulators Yushan Li EDN 07/18/08
Solve Leakage and Dynamic Power Loss Mark Hartman & Joy Taylor Mobile Handset Designline 07/16/08
Processor Energy Savings Through Adaptive Voltage Scaling Mark Hartman Low-Power Design 03/08
An Easy Way To Roll Your Own Programmable Power Supply Donald Schelle, Marc Davis-March Electronic Design 01/29/08
Need to Estimate Buck Converter Efficiency in Portable Apps? Jingdong Chen Mobile Handset Designline 01/14/08
Optimizing Power Consumption in the Mobile Multimedia Delivery Chain - Part Two Abdul Aleaf Power Management Designline 10/12/07
Optimizing Power Consumption in the Mobile Multimedia Delivery Chain - Part One Abdul Aleaf Power Management Designline 10/5/07
Enabling Multimedia in Next-Generation Handhelds Vik Sangha Electronic Products 10/07
Efficiency and Size: Challenges in Power Management for Portable Devices Vik Sangha Planet Analog 09/11/07
Longer Battery Life Equals a Greener Earth Rick Zarr Power Electronics Technology 08/01/07
Maximize Processor Energy Savings in Media-Intensive Mobile Devices with Adaptive Voltage Scaling Joy Taylor Mobile Handset Designline 07/09/07
Un-Parallelize the Video Interface - Go Serial John Goldie Mobile Handset Designline 06/25/07
How to Power Sub-Micron CMOS Loads with an Efficient LDO Bob Nguyen Power Management Designline 06/13/07
Counting the Micro Amps Frederik Dostal EDN 06/07/07
Managing Power Consumption on Your Portable Applications Processor Design Ken Marasco Embedded.com 03/16/07
Power Management Solutions: Choosing the Right One Now Pays Dividends Later Bob Nguyen Wireless Design & Development 01/07
The Arrival of the 3G Handset and Power Management Challenges Vik Sangha EE Times 07/03/06
Optimize RF PA Efficiency to Increase Your Handset's Talk-time Mathew Jacob Mobile Handset Designline 06/26/06
Get The Most Power For Your Next-Gen Mobile Phone Design Wallace Ly Power Management Designline 01/16/06

Power Supply Design Techniques

Title Author Publication Publication Date
Increase Boost Regulator Efficiency With Synchronous Rectification
Explores methods for increasing the efficiency of boost regulator designs
Bob Bell, Kim Nielson How2Power 1/10
Get Your Isolated Power Converter Off to a Smooth Start
One of the most misunderstood concepts of designing an isolated dc-dc power converter is how to ensure the output voltage rises smoothly to the final regulation value
Bob Bell Power Electronics Technology 1/29/10
Ensuring Your Power Supply Design is Stable
Practical Tips to Achieve Power Supply Stability
Jon Dutra EDN 1/13/10
Using High-current Integrated-switch Power-regulator ICs
Learn the thermal considerations so you don't get burned
Frederik Dostal EDN 10/22/09
Things to Keep in Mind When Designing Power Management Circuitry Travis Eichhorn EETimes / Embedded.com 10/20/09
Frequency Dithering: A Tool for Overcoming Last-Minute EMC Hurdles
Frequency dithering to meet power supply EMI/EMC requirements
Bob Bell, Ajay Hari How2Power 9/09
Optimizing Ripple for a COT Buck Converter Eric Lee, Maurice Eaglin Power Electronics Technology 8/09
Cramer's Rule Helps Solve DC-DC Converter Transfer Functions Haachitaba Mweene, PhD Power Electronics Technology 7/1/09
Error amplifier limitations in high-performance regulator applications Timothy Hegarty EDN 6/24/09
Voltage-Mode Push-Pull Converters Deserve a Second Look Ajay Hari Power Electronics Technology 4/1/09
Buck converter uses low-side PWM IC
A voltage-level shifter lets you control voltages above a PWM controller's power source
L Haachitaba Mweene, PhD EDN 3/19/09
Powering The Signal Path
Using an integrated flyback IC along with post filtering will deliver a high-performance split-rail supply.
Bob Hanrahan Electronic Design 2/26/09
Board Layout Guidelines and the Mistake of Single-Point Grounding
Rules of thumb for circuits above and below 5 MHz
Jon Durta EDN 2/19/09
Silently Powering Low-Noise Applications Frederik Dostal Analog Edge 2/09
An Easy Way To Roll Your Own Programmable Power Supply

Donald Schelle, Marc Davis-Marsh Electronic Design 1/29/09
Measure Power-Supply-Loop Transfer Frederik Dostal EDN 12/05/08
Energy rules, but customization is king Rick Zarr Embedded 11/10/08
Buck-boost topology delivers negative output from positive input Frederik Dostal Power Management Designline 10/21/08
Then, Now and Beyond – Systems Design in the 21st Century Rick Zarr Electronic Design 10/02/08
Why Energy Efficiency Metrics Matter Rick Zarr Greensupplyline 09/04/08
Measure loop transfer function of power supplies – includes video Frederik Dostal Test and Measurement World 09/01/08
Operation & Benefits of Two-Switch Forward/Flyback Power Converter Topologies Youhao Xi EE Times and Embedded.com 08/24/08
Boost Converter Efficiency Through Accurate Calculations Travis Eichhorn Power Electronics Technology 09/01/08
Emulated Ripple Makes Step-Down Conversion Easy Frederik Dostal Electronic Products 08/01/08
Voltage-Mode Control and Compensation: Intricacies for Buck Regulators Timothy Hegarty EDN 06/30/08
Exploit Controller Features to Optimize Power Designs Ricardo Capetillo Electronic Design 06/25/08
Single-stage synchronous buck converter with high efficiency L. K. Wong and T. K. Man Power Management Designline 05/02/08
Interleaving is Good for Boost Converters, Too Ron Crews & Kim Nielson Power Electronics Technology 05/01/08
Choosing between a positive or negative buck topology in a switching regulator design Hector Arroyo Analog DesignLine (Europe) 04/25/08
Tip of the Week: How to best implement a synchronous buck converter L. K. Wong & T. K. Man Power Management Designline 04/26/08
How to supply, load, and test power-management circuits Part 1 Frederik Dostal Planet Analog 04/09/08
Supplying and Loading of Power Management Circuits Part 2 Frederik Dostal Planet Analog 04/18/08
Robust Controller Design Using Multi-Objective Optimization Joel Steenis Power Management Designline 03/10/08
Feedback Circuit Improves Hysteretic Control Kevin Daugherty Power Electronic 03/08
Emulated Ripple Technique Advances Hysteretic Switchmode Supplies Frederik Dostal Power Management Designline 02/25/08
Reducing Buck Converter Input Capacitance through Multi-Phasing and Clock Synchronization Tim Hegarty EDN 01/28/08
Automotive Switching Regulators Get Input-Transient-Voltage Protection Kevin Daugherty EDN 01/24/08
Two-Switch Topology Boosts Forward, Flyback Designs Youhao Xi Bob Bell Power Management Designline 01/19/08
Power Limits Make Hot Swapping More Robust Neil Gutierrez Power Electronics Technology 01/08
Benefits of Multi-Phasing- Part Two Tim Hegarty Power Management Designline 11/23/07
Benefits of Multi-Phasing- Part One Tim Hegarty Power Management Designline 11/16/07
Benefits of Non-Linear Slope Compensation in Current Mode Control Switch Mode Powers - Part Two Greg Smith Power Management Designline 11/09/07
Benefits of Non-Linear Slope Compensation in Current Mode Control Switch Mode Powers - Part One Greg Smith Power Management Designline 11/05/07
Critical Layout Tips for Fast Switchers Juergen Kuehnel Power Management Designline 09/24/07
High PoE Made Easy Grant Smith Power Management Designline 09/03/07
Controller Monitors ORing FET Current and Voltage Ron Crews Power Electronics Technology 09/01/07
Determine Buck Converter Efficiency in PFM Mode Jingdong Chen Power Electronics Technology 09/01/07
Negative Supply Uses Positive Hysteretic Regulator Ron Crews Power Electronics Technology 08/01/07
Practical Implementation of Negative-Input, Negative-Output Step-Down Switching Converters Hector Arroyo Planet Analog 07/27/07
How to Solve for LDO Regulator-Enabled Glitch Shengming Huang Mobile Handset Designline 07/23/07
Get Negative Auxiliary Output from a Buck Regulator Bob Bell Planet Analog 07/12/07
Hitchhiker's Ride to the World of Current Mode Control Sameh Sarhan Power Management Designline 07/11/07
Get The Scoop On How To Power Share Between Isolated PoE Channels Youhao Xi,
Craig Varga,
Kim Neilson
Power Management Designline 06/04/07
Part Two:  A New Way to Model Current-Mode Control Rob Sheehan Power Electronics Technology 06/07
Part One:  A New Way to Model Current-Mode Control Rob Sheehan Power Electronics Technology 05/07
Power Supplies: The Best Design May Not Be The Smallest Mark Davidson Planet Analog 04/04/07
Current Mirror Improves PWM Regulator's Performance Grant Smith EDN 03/01/07
How to Ease EMI Compliance in Power Converters Haachitaba Mweene Power Management Designline 10/08/06
Comparing the Calculated vs. Measured Efficiency Loss in Synchronous Buck Converters Travis Eichhorn EE Times 10/01/06
Part Two:  Compensating Voltage Mode Buck Regulators Joel Steenis Power Management Designline 09/11/06
Part One:  Compensating Voltage Mode Buck Regulators Joel Steenis Power Management Designline 09/04/06
Control Method Solves Low Duty-Cycle Dilemmas George Hariman Power Electronics Technology 09/01/06
Turn Capacitors and Inductors into “Active Passives” Mathew Jacob Electronic Design 06/08/06
How Digital SoC Kickstarts Power Management in Leading-Edge Designs Mark Davidson Power Management Designline 03/12/06
Designers Debate Merits of Digital Power Management Ravindra Ambatipudi EE Times 01/23/06

Designing for Renewable Energy Applications

Title Author Publication Publication Date
Smart Solar Energy Management Ralf Muenster Eco Generation 10/1/09
Shade Happens: Installation Considerations with Solar Panels Ralf Muenster Photovoltaics World 9/15/09
Exploiting Alternative Energies (in Italian) Dennis Monticelli Elettronica Oggi 6/09
Intelligent Energy Management for Solar Technology (in German) Ralf Muenster Energy20.net 5/09
It's Magic Time (in German) Ralf Muenster, Stefanie Eckardt Elektronik Journal 5/09
Increasing PV Panel Energy Output (requires registration) Perry Tsao Electronic Design 03/31/09
Shade Happens Ralf Muenster Renewable Energy World 02/02/09
Smart Solar Energy Management Drives Solar Adoption Ralf Muenster Power Systems Design Europe 12/08
Brainstorm: New Year Tech Kevin Kayser ECN 12/05/08

 



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Power Products
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  • 4A, SIMPLE SWITCHER® Power Module with 5.5V Maximum Input
  • 5A, SIMPLE SWITCHER® Power Module with 5.5V Maximum Input
  • 1A SIMPLE SWITCHER® Power Module with 20V Maximum Input Voltage
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  • 2A SIMPLE SWITCHER® Power Module with 42V Maximum Input
  • 3A SIMPLE SWITCHER® Power Module with 42V Maximum Input
  • LM3421Q/23Q
    N-Channel Controllers for Constant Current LED Drivers
  • LM3429Q1
    N-Channel Controller for Constant Current LED Drivers
  • Scalable 2-Phase Synchronous Buck Controllers with Integrated FET Drivers and Linear Regulator Controller
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  • LM5112Q
    Tiny 7A MOSFET Gate Driver

See all new power solutions.

Power Application Notes
  • AN-1696 Designing a Boost LED Driver Using the LM5022
  • AN-1736 LM3433 HB LED Driver Evaluation Kit
  • AN-1774 LM3410X LED Driver 6-Pin LLP Demo Board
  • AN-1775 LM3410X SEPIC 6-Pin LLP Demo Board
Power Evaluation Boards
  • LM3410XMFLEDEV - $37.50 Description: LM3410 Boost will SOT23 Package evaluation board
  • LM3410XSDLEDEV - $37.50 Description: LM3410 Boost with LLP Package evaluation board
  • LM5035AEVAL - $160.00 Description: Evaluation Board for the PWM Controller with Integrated Half-Bridge and SyncFET Drivers
  • LM3881EVAL - $30.00 Description: Evaluation Board for the LM3881 Power Sequencer
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