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Application Notes

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

    Display Drivers

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

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    317.7kB     		Application Note 5022  Abstract
    Application of Serializers with Camera Chips
    View   In New Window PDF
    102.3kB     		Tutorial 4687  Abstract
    LEDs Allow New Remote-Controlled Lighting Applications
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    100.7kB     		Tutorial 4670  Abstract
    LEDs for General Lighting: What They Offer and Their Design in Retrofit Lamps
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    93.7kB     		Application Note 4328  Abstract
    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 Design 4669  Abstract
    112W Boost Driver for Long Strings of LEDs Using All Ceramic Capacitors
    View   In New Window PDF
    121.2kB     		Application Note 4597  Abstract
    Overcome the Challenges of Integrating High-Brightness (HB) LEDs in Automotive Systems
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    214.9kB     		Reference Design 4384  Abstract
    Boost Backlight LED Driver
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    105kB     		Application Note 4397  Abstract
    MAX6960 Programming Guide for Large LED Displays
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    93.6kB     		Application Note 4393  Abstract
    Selecting HB LED Drivers for Automotive Lighting Applications
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    28kB     		Application Note 4092  Abstract
    How to Prevent Flicker Caused by Burst Dimming
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    114.1kB     		Application Note 4187  Abstract
    Negative Charge Pumps Achieve Inductor-Like Efficiency for WLED Backlights
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    116kB     		Application Note 4147  Abstract
    How to Modify the Soft-Start Profile of the DS3994
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    209.6kB     		Reference Design 4086  Abstract
    Replace Inefficient MR16 Halogen Lamps with LEDs
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    26kB     		Application Note 1004  Abstract
    Multiplexing Shutdown Allows Text to be Displayed

    General

    View   In New Window   Application Note 4802  Abstract
    Programming Flash Memory in the MAX11855 Touch-Screen Controller
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    58kB     		Application Note 4620  Abstract
    Set Your Holiday Lights to Music
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    45kB     		Application Note 4533  Abstract
    An LED Target-Practice Game Uses the MAXQ2000 and MAX7312
    View   In New Window PDF
    29kB     		Tutorial 1154  Abstract
    Vacuum-Fluorescent-Display (VFD) Tube Manufacturers' Web Sites
    View   In New Window PDF
    122kB     		Application Note 3729  Abstract
    Using the MAX6951/MAX6950 LED Display Drivers with SPI Interface to Communicate with the MAXQ2000 Microcontroller
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    28kB     		Application Note 3536  Abstract
    Moving-Coil Meter Measures Low-Level Currents
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    61kB     		Application Note 1879  Abstract
    Using Maxim SPI-compatible Display Drivers with other SPI Peripherals
    View   In New Window PDF
    68kB     		Application Note 1193  Abstract
    Electronic Displays Comparison

    LCD Drivers

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

    LED Drivers

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

    VFD Drivers

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

    White-LED Power Supplies

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


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