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HOW2POWER ARTICLES — 2007


    December
  • MIL EMI and Transient Solutions
  • Passive PFC LED Lighting Supply
    • November
  • Battery monitor also enables constant-power-boost converter
  • Flyback Converter with No Snubbers
    • October
  • Simple Circuit Additions Power A Microcontroller Through Its Load
  • Protect Current-Sense Amplifiers Against Overvoltage Transients
  • Reference design: wide range 200W L6599-based HB LLC resonant converter for LCD TV & flat panels
  • Constant-Current Source Creates Slope-Compensation Ramp In SMPS
  • Circuit limits dV/dt and capacitor inrush at regulator turn-on
  • Half-bridge LLC Resonant Converter Design Using FSFR-series Fairchild Power Switch (FPS)
  • Switching-Mode Power Supply Design Tutorial; Part 1: Introduction to Power Supply Design
  • Switching-Mode Power Supply Design Tutorial; Part 2: Simple Dissipative Power Supply Topologies
  • Switching-Mode Power Supply Design Tutorial; Part 3: Simple Switching Topologies
  • A Digital Constant Current Power LED Driver
    • September
  • High-Power White LED Driver Runs Battery-Operated Portable Lighting
  • Switcher adds programmable-PWM-duty-cycle clamp
  • Relays eliminate high-voltage noise
  • Circuits monitor and balance large lithium-ion batteries
  • White-LED driver operates down to 1.2V supply voltage
  • Add Two Components To Power Supply To Ensure Proper Voltage Sequencing
  • Drive A Resistive Heater Element Without Adding Noise To The System
  • Reduce Circuit Zapping From Cosmic Radiation
  • Using Optical Feedback For Precise Intensity Control of LED Headlights
  • Control Intelligence Improves Renewable Energy Efficiency
    • August
  • Voltage doubler uses inherent features of push-pull dc/dc converter
  • Voltage timer monitors line-connected ac loads
  • Cascaded converter boosts LED-drive capability
  • Designing Single-Switch, Resonant-Reset, Forward Converters
  • Control Multiple Stepper Motors Through A PC's USB Port
  • Simple and effective inrush-current limiter stops surges
  • Forward-Converter Design Leverages Clever Magnetics Part 2
  • Driving LED lamps - some simple design guidelines
  • Digital Control Squeezes 40 A from Buck Converter
  • Stacked-Ceramic Caps Brave High Temperatures
    • July
  • Perform PSRR testing with analyzers having no dc-bias ports
  • High-Frequency Automotive Power Supplies
  • Sequence Generator Delays Bias Voltages To LCDs
  • Forward-Converter Design Leverages Clever Magnetics Part 1
    • June
  • Add a grounded-switch feature for Topswitch on/off control
  • Simple dual constant-current load tests low-current power supplies
  • Circuit breaker provides overcurrent and precise overvoltage protection
    • May
  • Germanium Dual-Boost Starts At 260 mV
  • Simple test setup performs functional testing of linear, single-cell lithium chargers
  • Capacitor Values: Don't Believe the Label
  • Is Power Factor Correction Justified in the Home
  • A New Way to Model Current-Mode Control, Part One
    • April
  • CPLD autonomously powers battery-powered system
  • Evolving Standards Reshape Medical Power Supplies
  • Current-Mode Vs. Voltage-Mode Control in Synchronous Buck Converters
    • March
  • Lead-Acid Battery Charger Becomes A Subfunction In A Microcontroller
  • Self-Powered Eight-Channel Tester Checks Battery Discharge Rates
  • Digital Resistor Sets Operating Power For Laser Driver
  • Controlled power supply increases op amps' output-voltage range
  • Microcontroller drives H bridge to power a permanent-magnet dc motor
  • Minimize Input-Supply Ripple Current In LED Driver Applications
  • Current mirror improves PWM regulator's performance
  • Low-cost current monitor tracks high dc currents
  • DSCs Enable Field-Oriented Control for Washer Motors
  • Graphical System Design: A Bridge to Digital Power
    • February
  • Wide range 400W L6599-based HB LLC resonant converter for PDP application
  • ELECTRICAL SAFETY IN PC BASED MEDICAL PRODUCTS, INCLUDING CHANGES IN IEC 601-1 3RD ADDITION. Options and Solutions
    • January
  • LED Applications and Driving Techniques
  • A Guide to Designing Gate-Drive Transformers

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