Application Notes


Application Notes


  • Over 2000 application notes and technical articles written by engineers, for engineers.
  • These articles offer experienced analysis, design ideas, reference designs, and tutorials—to make you an expert.
  • List of latest application notes.

    Display Drivers

  • General
  • LCD Drivers
  • LED Drivers
  •  
  • VFD Drivers
  • White-LED Power Supplies

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    325.7kB
    Application Note 4491 
    Damage from a Lightning Bolt or a Spark—It Depends on How Tall You Are!
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    317.7kB
    Application Note 5022 
    Application of Serializers with Camera Chips
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    102.3kB
    Tutorial 4687 
    LEDs Allow New Remote-Controlled Lighting Applications
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    100.7kB
    Tutorial 4670 
    LEDs for General Lighting: What They Offer and Their Design in Retrofit Lamps
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    63kB
    Application Note 4977 
    Simple Detection Circuit Lowers Stress on LED Driver with Power-Line Dimming
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    93.7kB
    Application Note 4328 
    Low-Loss LED Driver Improves a System's Green Footprint by Boosting Efficiency and Extending Battery Life
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    834.8kB
    Reference Schematic 4669 
    112W Boost Driver for Long Strings of LEDs Using All Ceramic Capacitors
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    59kB
    Tutorial 4690 
    Important Design Considerations for Digital Thermometers
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    72kB
    Tutorial 4689 
    Blood Pressure Monitor Design Considerations
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    68kB
    Tutorial 4694 
    Introduction to Digital Stethoscopes and Electrical Component Selection Criteria
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    206kB
    Tutorial 4677 
    Important Considerations for Infusion Pump and Portable Medical Designs
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    225kB
    Application Note 4646 
    Use Thermal Analysis to Predict an IC's Transient Behavior and Avoid Overheating
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    121.2kB
    Application Note 4597 
    Overcome the Challenges of Integrating High-Brightness (HB) LEDs in Automotive Systems
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    263kB
    Reference Schematic 4452 
    Designing a Buck-Boost LED Driver Using the MAX16834
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    214.9kB
    Reference Schematic 4384 
    Boost Backlight LED Driver
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    105kB
    Application Note 4397 
    MAX6960 Programming Guide for Large LED Displays
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    93.6kB
    Application Note 4393 
    Selecting HB LED Drivers for Automotive Lighting Applications
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    28kB
    Application Note 4092 
    How to Prevent Flicker Caused by Burst Dimming
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    114.1kB
    Application Note 4187 
    Negative Charge Pumps Achieve Inductor-Like Efficiency for WLED Backlights
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    116kB
    Application Note 4147 
    How to Modify the Soft-Start Profile of the DS3994
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    209.6kB
    Reference Schematic 4086 
    Replace Inefficient MR16 Halogen Lamps with LEDs
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    79kB
    Application Note 3898 
    Calculator Simplifies Programming the Burst Dimming Stagger on the DS3994 Cold-Cathode Fluorescent Lamp (CCFL) Controller
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    52.2kB
    Application Note 3536 
    Moving-Coil Meter Measures Low-Level Currents
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    26kB
    Application Note 1004 
    Multiplexing Shutdown Allows Text to be Displayed
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    68kB
    Application Note 163 
    Using DS1050 Programmable PWMs to Control a DC Motor and an LCD LED Backlight

    General

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    58kB
    Application Note 4620 
    Set Your Holiday Lights to Music
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    45kB
    Application Note 4533 
    An LED Target-Practice Game Uses the MAXQ2000 and MAX7312
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    29kB
    Tutorial 1154 
    Vacuum-Fluorescent-Display (VFD) Tube Manufacturers' Web Sites
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    122kB
    Application Note 3729 
    Using the MAX6951/MAX6950 LED Display Drivers with SPI Interface to Communicate with the MAXQ2000 Microcontroller
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    52.2kB
    Application Note 3536 
    Moving-Coil Meter Measures Low-Level Currents
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    61kB
    Application Note 1879 
    Using Maxim SPI-compatible Display Drivers with other SPI Peripherals
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    68kB
    Application Note 1193 
    Electronic Displays Comparison

    LCD Drivers

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    317.7kB
    Application Note 5022 
    Application of Serializers with Camera Chips
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    29kB
    Application Note 4331 
    Programming 10-Bit Gamma Registers on the DS3514
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    79kB
    Application Note 3898 
    Calculator Simplifies Programming the Burst Dimming Stagger on the DS3994 Cold-Cathode Fluorescent Lamp (CCFL) Controller
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    54kB
    Application Note 3720 
    Options for Embedded User Interfaces
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    61kB
    Application Note 3658 
    Serializing an HD44780 LCD Display
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    35kB
    Application Note 3467 
    SMBus I/O Expander Controls LCD Bias Voltage
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    76kB
    Application Note 3326 
    PWM Sets Output of LCD/LED Driver
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    38kB
    Application Note 950 
    Single-Cell Boost Converter Generates Auxiliary Bias For LCD
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    68kB
    Application Note 163 
    Using DS1050 Programmable PWMs to Control a DC Motor and an LCD LED Backlight
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    35kB
    Application Note 239 
    Regulated LCD-Bias Generator Requires No Inductor
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    46kB
    Application Note 415 
    Buffering Scheme Drives Large LCDs

    LED Drivers

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    102.3kB
    Tutorial 4687 
    LEDs Allow New Remote-Controlled Lighting Applications
    View   In New Window PDF
    100.7kB
    Tutorial 4670 
    LEDs for General Lighting: What They Offer and Their Design in Retrofit Lamps
    View   In New Window PDF
    63kB
    Application Note 4977 
    Simple Detection Circuit Lowers Stress on LED Driver with Power-Line Dimming
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    63kB
    Application Note 4576 
    Protect LED Driver in Backlit Displays
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    68kB
    Application Note 4561 
    Linear Brightness Controller for LEDs Has 64 Taps
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    31kB
    Application Note 4871 
    Optimize the MAX44007 Ambient Light Sensor for Use in Applications with Black Glass
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    102kB
    Application Note 4549 
    LED Level Shifter Includes Fault Detection
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    38kB
    Application Note 4537 
    Level Shifter Helps to Parallel LED Current Drivers
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    233kB
    Reference Schematic 4389 
    Supply-Chopped Dimming Control Boosts LED Driver Efficiency and Keeps Inrush Currents to a Minimum
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    103kB
    Reference Schematic 4367 
    Adding Three Power MOSFETs Lets a Single Step-Down Converter Drive RGB LEDs in Projectors
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    117kB
    Application Note 4509 
    DC Voltage Controls PWM Dimming of High-Brightness LEDs (HB LEDs)
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    111kB
    Application Note 4503 
    Driver Provides Proportional Solenoid Control Without PLC or µC
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    107kB
    Application Note 4481 
    Soft-Start Enhances LED Driver
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    127kB
    Application Note 4502 
    Single-IC PWM Modulator Has 2% Linearity
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    87kB
    Application Note 4479 
    Diagnose LEDs by Monitoring the Switch-Mode Duty Cycle
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    185kB
    Application Note 4317 
    Multicolor Lighting Employs High-Power Drivers for RGB LEDs
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    203kB
    Application Note 4316 
    LED-Driver Design for Automotive Rear Lighting
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    45kB
    Application Note 4473 
    Emulating 16-Bit Resolution for Better LED Intensity Control in a Video Display
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    89kB
    Application Note 4472 
    How to Apply Additional PWM Intensity Control to LED Drivers
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    93.7kB
    Application Note 4328 
    Low-Loss LED Driver Improves a System's Green Footprint by Boosting Efficiency and Extending Battery Life
    View   In New Window PDF
    834.8kB
    Reference Schematic 4669 
    112W Boost Driver for Long Strings of LEDs Using All Ceramic Capacitors
    View   In New Window PDF
    59kB
    Tutorial 4690 
    Important Design Considerations for Digital Thermometers
    View   In New Window PDF
    72kB
    Tutorial 4689 
    Blood Pressure Monitor Design Considerations
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    408kB
    Reference Schematic 4612 
    Boost Driver for Long LED Strings Using Aluminum Electrolytic Capacitors
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    25kB
    Application Note 4635 
    Connecting Dual-Digit LED Modules
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    225kB
    Application Note 4646 
    Use Thermal Analysis to Predict an IC's Transient Behavior and Avoid Overheating
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    146kB
    Application Note 4610 
    Supplement the MAX6948 WLED (white-LED) Driver with External PWM Control
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    31kB
    Application Note 4619 
    Logic-Level Signals Dim -48V LED Driver
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    121.2kB
    Application Note 4597 
    Overcome the Challenges of Integrating High-Brightness (HB) LEDs in Automotive Systems
    View   In New Window PDF
    45kB
    Application Note 4533 
    An LED Target-Practice Game Uses the MAXQ2000 and MAX7312
    View   In New Window PDF
    68kB
    Application Note 4442 
    Logarithmic LED Panel Display Has 72dB Range
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    263kB
    Reference Schematic 4452 
    Designing a Buck-Boost LED Driver Using the MAX16834
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    160kB
    Reference Schematic 4369 
    6A RGB LED Driver Reference Design for a Portable Projector
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    332kB
    Application Note 4208 
    Designing an LED-Based Video-Display Board
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    133kB
    Reference Schematic 4379 
    Display Different LED Sequences Using the MAXQ2000 Microcontroller with the MAX6970 LED Driver
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    128kB
    Reference Schematic 4151 
    Using the MAX15005 Supply and Driver for an LED Application
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    209.6kB
    Reference Schematic 4086 
    Replace Inefficient MR16 Halogen Lamps with LEDs
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    37kB
    Application Note 4021 
    MAX6956 Programming Guide
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    32kB
    Application Note 3871 
    White-LED Driver Includes Overtemperature Protection
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    53kB
    Application Note 3866 
    Low-Power PWM Output Controls LED Brightness
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    44kB
    Application Note 3755 
    High-Power White-LED Driver Operates on 1 or 2 Alkaline Cells
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    122kB
    Application Note 3729 
    Using the MAX6951/MAX6950 LED Display Drivers with SPI Interface to Communicate with the MAXQ2000 Microcontroller
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    114kB
    Application Note 3688 
    Using the MAXQ2000 with the MAX6960 to Create a Stock Quote Display System
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    54kB
    Application Note 3720 
    Options for Embedded User Interfaces
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    50kB
    Application Note 3667 
    Using Lookup Tables to Perform Gamma Correction on LEDs
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    81kB
    Application Note 3668 
    High-Efficiency Current Drive for High-Brightness LEDs
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    91kB
    Reference Schematic 3639 
    Design of a Nonisolated, Flyback LED Driver Circuit
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    70kB
    Application Note 3532 
    High-Power LED Driver Accepts Wide Input-Voltage Range
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    49kB
    Application Note 3509 
    Individual LED Intensity Control with MAX6958/MAX6959 LED Drivers
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    124kB
    Application Note 3462 
    Extending MAX6954 and MAX6955 Keyscan Beyond 32 Keys
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    38kB
    Application Note 3461 
    Extending the MAX6959 LED Display-Driver Keyscan from 8-Keys to 12-Keys
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    35kB
    Application Note 3445 
    High-Voltage LED Driver Provides Software-Controlled Intensity
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    37kB
    Application Note 3444 
    Light Is On When Power Is Out
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    76kB
    Application Note 3326 
    PWM Sets Output of LCD/LED Driver
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    236kB
    Application Note 3210 
    Quick-Start: Driving 7-Segment Displays with the MAX6954
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    225kB
    Application Note 3212 
    Quick-Start: Driving 16-Segment Displays with the MAX6954
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    95kB
    Application Note 3211 
    Quick-Start: Driving 14-Segment Displays with the MAX6954
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    77kB
    Application Note 2782 
    Using a PC to Experiment with the MAX7219 and MAX7221 LED Display Drivers
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    39kB
    Application Note 2791 
    Using the MAX6955 LED Display Driver with a PIC Microcontroller to Scroll Messages
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    74kB
    Application Note 1942 
    Driving 4-1/2 Digit Counter Displays with the MAX6958/59 LED Drivers
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    57kB
    Application Note 1936 
    Driving 4-1/2 Digit Meter Displays with the MAX6958/59 LED Drivers
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    62kB
    Application Note 1928 
    Wiring the MAX6958/59 to 4-Digit Clock Displays
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    61kB
    Application Note 1879 
    Using Maxim SPI-compatible Display Drivers with other SPI Peripherals
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    71kB
    Application Note 1880 
    Charlieplexing - Reduced Pin-Count LED Display Multiplexing
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    43kB
    Application Note 1196 
    Using the MAX7219/7221 to Drive Higher Voltage or Current
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    102kB
    Application Note 874 
    Using the MAX6950 and the MAX6951 LED Display Drivers with Multiplex Dual-Digit Displays
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    66kB
    Application Note 1148 
    Adding Global LED Intensity Control to the MAX6954 and MAX6955 LED Drivers
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    46kB
    Application Note 1146 
    Adding Panel LED Intensity Control to MAX6952 and MAX6953 5x7 Matrix LED Drivers
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    71kB
    Application Note 876 
    Migrating from the MAX7219 and MAX7221 to the MAX6950 and MAX6951 LED Drivers
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    86kB
    Application Note 1034 
    Software Control of the MAX6952 and MAX6953 LED Drivers in Graphic Applications
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    35kB
    Application Note 1131 
    Selecting Numeric and Alphanumeric Display Configurations for the MAX6954 and MAX6955 SPI and I²C LED Display Drivers
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    33kB
    Application Note 1141 
    Adding Global Intensity Control to the MAX6956 and MAX6957 Static LED Drivers
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    395kB
    Application Note 1142 
    Experimenting with the MAX6956 and MAX6957 SPI and I²C GPIO and LED Display Drivers from a PC
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    32kB
    Application Note 141 
    Data Multiplexer Adds Cursor To MAX7219 or MAX7221 LED 7 Segment Display Driver
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    60kB
    Application Note 875 
    Experimenting with the MAX6950 and the MAX6951 SPI LED Display Drivers from a PC
    View   In New Window PDF
    141kB
    Application Note 1033 
    Building Dot Matrix Graphic Panels with the MAX6952 and MAX6953 5x7 LED Drivers
    View   In New Window PDF
    93kB
    Application Note 980 
    Experimenting with the MAX6952 and MAX6953 SPI and I²C LED Display Drivers from a PC

    VFD Drivers

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    29kB
    Tutorial 1154 
    Vacuum-Fluorescent-Display (VFD) Tube Manufacturers' Web Sites
    View   In New Window PDF
    61kB
    Application Note 1879 
    Using Maxim SPI-compatible Display Drivers with other SPI Peripherals
    View   In New Window PDF
    63kB
    Application Note 1748 
    VFD Grid/Anode Supply Using MAX6850-MAX6853 PUMP Output

    White-LED Power Supplies

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    70kB
    Application Note 4567 
    Simple Timeout Protection for High Current Flash LED Drivers
    View   In New Window PDF
    834.8kB
    Reference Schematic 4669 
    112W Boost Driver for Long Strings of LEDs Using All Ceramic Capacitors
    View   In New Window PDF
    68kB
    Tutorial 4694 
    Introduction to Digital Stethoscopes and Electrical Component Selection Criteria
    View   In New Window PDF
    206kB
    Tutorial 4677 
    Important Considerations for Infusion Pump and Portable Medical Designs
    View   In New Window PDF
    225kB
    Application Note 4646 
    Use Thermal Analysis to Predict an IC's Transient Behavior and Avoid Overheating
    View   In New Window PDF
    146kB
    Application Note 4610 
    Supplement the MAX6948 WLED (white-LED) Driver with External PWM Control
    View   In New Window PDF
    114.1kB
    Application Note 4187 
    Negative Charge Pumps Achieve Inductor-Like Efficiency for WLED Backlights
    View   In New Window PDF
    37kB
    Application Note 4021 
    MAX6956 Programming Guide
    View   In New Window PDF
    32kB
    Application Note 3871 
    White-LED Driver Includes Overtemperature Protection
    View   In New Window PDF
    81kB
    Application Note 3668 
    High-Efficiency Current Drive for High-Brightness LEDs
    View   In New Window PDF
    91kB
    Reference Schematic 3639 
    Design of a Nonisolated, Flyback LED Driver Circuit
    View   In New Window PDF
    70kB
    Application Note 3532 
    High-Power LED Driver Accepts Wide Input-Voltage Range
    View   In New Window PDF
    39kB
    Application Note 3287 
    White-LED Driver Provides 64-Step Logarithmic Dimming
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    125kB
    Application Note 3256 
    Why Drive White LEDs with Constant Current?
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    47kB
    Application Note 3014 
    LDO Improves White LED Current Matching
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    26kB
    Application Note 1871 
    Single FET Controls 2nd LED Array in Switch-Mode LED Backlight
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    43kB
    Application Note 1862 
    Circuit Drives Mixed Types and Quantities of LEDs
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    23kB
    Application Note 1116 
    Compact, Inductorless Boost Circuit Regulates White-LED Bias Current
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    172kB
    Application Note 1037 
    Charge-Pump and Step-Up DC-DC Converter Solutions for Powering White LEDs in Series or Parallel Connections
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    47kB
    Application Note 1020 
    LDO Linear Regulator Improves White LED Brightness Matching
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    29kB
    Application Note 1021 
    Buck/Boost Charge-Pump Regulator Powers White LEDs from a Wide 1.6V to 5.5V Input


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