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  • 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.

    Microprocessor Supervisor Circuits

  • Battery-Backup ICs and NV RAM Controllers
  • Multivoltage Monitors
  • Power-Supply Sequencers and Voltage Trackers
  • Regulators with Integrated Reset
  • Simple Reset/Power-On Reset (POR)
  •  
  • Switch Debouncers and Pushbutton Devices
  • Tutorials
  • Voltage Detectors and Battery Monitors
  • Watchdog Timers

  • View   In New Window   Application Note 6757 
    How to Use LEDs with Supervisory ICs for Undervoltage and Overvoltage Fault Indicators
    View   In New Window PDF
    55kB
    Application Note 5490 
    Level Shifting to Control Power MOSFETs
    View   In New Window PDF
    86kB
    Tutorial 4606 
    Self-Starting Can Be Hard to Do - Understanding Power-on-Reset Requirements in Regulators and Bandgaps
    View   In New Window PDF
    448.5kB
    Application Note 5149 
    Adding Autorestart Capability to the MAX16046 EEPROM-Programmable System Manager
    View   In New Window PDF
    105.1kB
    Application Note 5040 
    Voltage Monitoring in Complex Systems
    View   In New Window PDF
    57kB
    Tutorial 589 
    CPU Supervisors: Frequently Asked Questions (FAQs)
    View   In New Window PDF
    85.8kB
    Application Note 4626 
    Multiple-Pulse Generator Aids IC Testing
    View   In New Window PDF
    84kB
    Application Note 4285 
    In-Circuit Programming for the MAX16046–MAX16049 EEPROM-Programmable System Managers
    View   In New Window PDF
    56kB
    Application Note 4284 
    External Temperature Sensor Calibration for the MAX16031/MAX16032 System Monitors
    View   In New Window PDF
    45kB
    Application Note 4197 
    Using the DS4412 to Margin the Output Voltage of a DC-DC Converter
    View   In New Window PDF
    111.2kB
    Application Note 3254 
    Battery Monitoring in NV SRAM Modules
    View   In New Window PDF
    92kB
    Application Note 2853 
    Supervisors in Multivoltage Systems
    View   In New Window PDF
    104kB
    Tutorial 1926 
    Watchdogs Improve System Reliability—How to Choose the Right Part
    View   In New Window PDF
    28kB
    Application Note 500 
    5-Comparator IC Provides 3V-to-5V Regulator and µP Reset
    View   In New Window PDF
    88kB
    Tutorial 279 
    Supervisory Circuits Keep Your Microprocessor Under Control
    View   In New Window PDF
    70kB
    Application Note 164 
    Using the DS1814 MicroMonitor to Control Microprocessor Resets
    View   In New Window PDF
    43kB
    Application Note 608 
    Micropower Circuit Offers Automatic Shutdown and Low-Battery Lockout
    View   In New Window PDF
    38kB
    Tutorial 51 
    How to Save Data During a Power Fail Without Corrupting It
    View   In New Window PDF
    27kB
    Application Note 423 
    Latching Regulator Prevents Deep Discharge of Battery

    Battery-Backup ICs and NV RAM Controllers

    View   In New Window PDF
    57kB
    Tutorial 589 
    CPU Supervisors: Frequently Asked Questions (FAQs)
    View   In New Window PDF
    25kB
    Application Note 3323 
    Power-Backup Switch
    View   In New Window PDF
    111.2kB
    Application Note 3254 
    Battery Monitoring in NV SRAM Modules
    View   In New Window PDF
    52kB
    Application Note 3191 
    Protecting Against Shorts Between a Battery and the PWM Wall Cube Charging Supply
    View   In New Window PDF
    96kB
    Application Note 1195 
    Maximize Battery Life and Minimize Replacements
    View   In New Window PDF
    70kB
    Application Note 1136 
    Switching Between Battery and External Power Sources
    View   In New Window PDF
    47kB
    Tutorial 939 
    Choosing Supervisor Outputs
    View   In New Window PDF
    28kB
    Application Note 1050 
    Reset Circuit Ensures Valid Supply Voltage
    View   In New Window PDF
    104kB
    Tutorial 720 
    Keep the Product Working—Microprocessor Supervisors Offer Big Insurance in Small Packages
    View   In New Window PDF
    43kB
    Application Note 608 
    Micropower Circuit Offers Automatic Shutdown and Low-Battery Lockout
    View   In New Window PDF
    38kB
    Tutorial 51 
    How to Save Data During a Power Fail Without Corrupting It
    View   In New Window PDF
    103kB
    Application Note 655 
    Supervisor ICs Monitor Battery-Powered Equipment
    View   In New Window PDF
    31kB
    Application Note 42 
    Large Capacitor Replaces Backup Battery
    View   In New Window PDF
    29kB
    Application Note 1000 
    Battery-Switchover Circuit Accommodates 3V Systems
    View   In New Window PDF
    188kB
    Application Note 926 
    Simple Circuit Disconnects Load From Battery
    View   In New Window PDF
    27kB
    Application Note 423 
    Latching Regulator Prevents Deep Discharge of Battery

    Multivoltage Monitors

    View   In New Window   Application Note 6757 
    How to Use LEDs with Supervisory ICs for Undervoltage and Overvoltage Fault Indicators
    View   In New Window PDF
    105.1kB
    Application Note 5040 
    Voltage Monitoring in Complex Systems
    View   In New Window PDF
    44kB
    Application Note 4839 
    Supervise and Power-Sequence a SoC
    View   In New Window PDF
    57kB
    Application Note 4543 
    Precision Circuit Monitors Negative-Supply Thresholds
    View   In New Window PDF
    93kB
    Application Note 4518 
    Circuit Transfers Resistance Value Through Isolation Barrier
    View   In New Window PDF
    57kB
    Tutorial 589 
    CPU Supervisors: Frequently Asked Questions (FAQs)
    View   In New Window PDF
    80kB
    Application Note 4283 
    In-Circuit Programming of the MAX16031/MAX16032 EEPROM-Based System Monitors
    View   In New Window PDF
    56kB
    Application Note 4284 
    External Temperature Sensor Calibration for the MAX16031/MAX16032 System Monitors
    View   In New Window PDF
    52kB
    Application Note 4109 
    Low-Cost Power-Supply Sequencer
    View   In New Window PDF
    160kB
    Application Note 3601 
    Troubleshooting Windows Plug-and-Play and USB for Maxim Evaluation Kits
    View   In New Window PDF
    97kB
    Application Note 3567 
    Monitoring and Sequencing Supply Voltages in High-Reliability Systems
    View   In New Window PDF
    136kB
    Application Note 3227 
    Power-On Reset and Related Supervisory Functions
    View   In New Window PDF
    92kB
    Application Note 2853 
    Supervisors in Multivoltage Systems
    View   In New Window PDF
    104kB
    Tutorial 1926 
    Watchdogs Improve System Reliability—How to Choose the Right Part
    View   In New Window PDF
    186kB
    Application Note 236 
    Configuring the DS1831's Time Delays and Voltage Trip Levels in Multi-Power-Supply Systems
    View   In New Window PDF
    28kB
    Application Note 500 
    5-Comparator IC Provides 3V-to-5V Regulator and µP Reset
    View   In New Window PDF
    47kB
    Tutorial 939 
    Choosing Supervisor Outputs
    View   In New Window PDF
    88kB
    Tutorial 279 
    Supervisory Circuits Keep Your Microprocessor Under Control
    View   In New Window PDF
    200kB
    Application Note 1043 
    Single Supply Sequencer Sequences Negative Voltages
    View   In New Window PDF
    104kB
    Tutorial 720 
    Keep the Product Working—Microprocessor Supervisors Offer Big Insurance in Small Packages
    View   In New Window PDF
    66kB
    Application Note 487 
    MAX6652 System Monitor Combines Voltage Monitoring with Temperature Sensing
    View   In New Window PDF
    103kB
    Application Note 655 
    Supervisor ICs Monitor Battery-Powered Equipment

    Power-Supply Sequencers and Voltage Trackers

    View   In New Window PDF
    55kB
    Application Note 5490 
    Level Shifting to Control Power MOSFETs
    View   In New Window PDF
    448.5kB
    Application Note 5149 
    Adding Autorestart Capability to the MAX16046 EEPROM-Programmable System Manager
    View   In New Window PDF
    44kB
    Application Note 4839 
    Supervise and Power-Sequence a SoC
    View   In New Window PDF
    78kB
    Application Note 4568 
    Bipolar DC-Voltage Detector Offers Sensitivity and Precision
    View   In New Window PDF
    48kB
    Application Note 4565 
    Ramp Generator Controls DC-DC Converters
    View   In New Window PDF
    81kB
    Application Note 4715 
    In-Circuit Programming for the MAX16065–MAX16068 and MAX16070/MAX16071 Flash-Programmable System Managers
    View   In New Window PDF
    155kB
    Application Note 4631 
    Sequencing with the MAX16046 System-Management IC
    View   In New Window PDF
    52kB
    Application Note 4109 
    Low-Cost Power-Supply Sequencer
    View   In New Window PDF
    77kB
    Application Note 3811 
    Simple Devices for Meeting Voltage Tracking Requirements
    View   In New Window PDF
    160kB
    Application Note 3601 
    Troubleshooting Windows Plug-and-Play and USB for Maxim Evaluation Kits
    View   In New Window PDF
    97kB
    Application Note 3567 
    Monitoring and Sequencing Supply Voltages in High-Reliability Systems
    View   In New Window PDF
    136kB
    Application Note 3227 
    Power-On Reset and Related Supervisory Functions
    View   In New Window PDF
    92kB
    Application Note 2853 
    Supervisors in Multivoltage Systems
    View   In New Window PDF
    186kB
    Application Note 236 
    Configuring the DS1831's Time Delays and Voltage Trip Levels in Multi-Power-Supply Systems
    View   In New Window PDF
    28kB
    Application Note 500 
    5-Comparator IC Provides 3V-to-5V Regulator and µP Reset
    View   In New Window PDF
    200kB
    Application Note 1043 
    Single Supply Sequencer Sequences Negative Voltages
    View   In New Window PDF
    96kB
    Application Note 841 
    Staggered- or Simultaneous-Output Voltage Sequencing/Tracking is Flexible for xDSL and Cable Modem Systems
    View   In New Window PDF
    66kB
    Application Note 487 
    MAX6652 System Monitor Combines Voltage Monitoring with Temperature Sensing

    Regulators with Integrated Reset

    View   In New Window PDF
    57kB
    Application Note 4081 
    Alternate Circuits for Overvoltage Protection: Tips and Tricks
    View   In New Window PDF
    33kB
    Application Note 3283 
    One Button Turns Microprocessor On and Off
    View   In New Window PDF
    33kB
    Application Note 1156 
    Low-Cost AC Supply
    View   In New Window PDF
    43kB
    Application Note 608 
    Micropower Circuit Offers Automatic Shutdown and Low-Battery Lockout
    View   In New Window PDF
    103kB
    Application Note 655 
    Supervisor ICs Monitor Battery-Powered Equipment
    View   In New Window PDF
    29kB
    Application Note 1000 
    Battery-Switchover Circuit Accommodates 3V Systems
    View   In New Window PDF
    27kB
    Application Note 423 
    Latching Regulator Prevents Deep Discharge of Battery

    Simple Reset/Power-On Reset (POR)

    View   In New Window PDF
    86kB
    Tutorial 4606 
    Self-Starting Can Be Hard to Do - Understanding Power-on-Reset Requirements in Regulators and Bandgaps
    View   In New Window PDF
    67kB
    Application Note 4850 
    Microcontroller Controls Current-Loop AFE Protection
    View   In New Window PDF
    57kB
    Tutorial 589 
    CPU Supervisors: Frequently Asked Questions (FAQs)
    View   In New Window PDF
    43kB
    Application Note 4467 
    Wake up and hear the IR
    View   In New Window PDF
    37kB
    Application Note 4624 
    Nonvolatile STANDBY/ON Switch
    View   In New Window PDF
    97kB
    Application Note 3567 
    Monitoring and Sequencing Supply Voltages in High-Reliability Systems
    View   In New Window PDF
    136kB
    Application Note 3227 
    Power-On Reset and Related Supervisory Functions
    View   In New Window PDF
    111.2kB
    Application Note 3254 
    Battery Monitoring in NV SRAM Modules
    View   In New Window PDF
    21kB
    Application Note 1987 
    Auto-Retry Controller Suits Telecom Applications
    View   In New Window PDF
    33kB
    Application Note 1156 
    Low-Cost AC Supply
    View   In New Window PDF
    47kB
    Tutorial 939 
    Choosing Supervisor Outputs
    View   In New Window PDF
    88kB
    Tutorial 279 
    Supervisory Circuits Keep Your Microprocessor Under Control
    View   In New Window PDF
    28kB
    Application Note 1050 
    Reset Circuit Ensures Valid Supply Voltage
    View   In New Window PDF
    104kB
    Tutorial 720 
    Keep the Product Working—Microprocessor Supervisors Offer Big Insurance in Small Packages
    View   In New Window PDF
    70kB
    Application Note 164 
    Using the DS1814 MicroMonitor to Control Microprocessor Resets
    View   In New Window PDF
    111kB
    Application Note 581 
    Advantages of Using a MicroMonitor and a Simple Application Demonstrating the Use of a DS1232
    View   In New Window PDF
    103kB
    Application Note 655 
    Supervisor ICs Monitor Battery-Powered Equipment

    Switch Debouncers and Pushbutton Devices

    View   In New Window   Application Note 6757 
    How to Use LEDs with Supervisory ICs for Undervoltage and Overvoltage Fault Indicators
    View   In New Window PDF
    448.5kB
    Application Note 5149 
    Adding Autorestart Capability to the MAX16046 EEPROM-Programmable System Manager
    View   In New Window PDF
    37kB
    Application Note 4624 
    Nonvolatile STANDBY/ON Switch
    View   In New Window PDF
    85.8kB
    Application Note 4626 
    Multiple-Pulse Generator Aids IC Testing
    View   In New Window PDF
    30kB
    Application Note 4444 
    Single-Pushbutton ON/OFF Power Control
    View   In New Window PDF
    39kB
    Application Note 3743 
    Circuit Removes Relay-Contact Bounce
    View   In New Window PDF
    33kB
    Application Note 3283 
    One Button Turns Microprocessor On and Off
    View   In New Window PDF
    37kB
    Application Note 1837 
    One-Shot Timing Improves Microprocessor Reset Circuit
    View   In New Window PDF
    49kB
    Application Note 1865 
    Different Ways to Use a MAX6369 Series Watchdog Timer
    View   In New Window PDF
    30kB
    Application Note 1802 
    Few Components Needed for an ESD-Protected Solid-State Potentiometer (EPOT) System with Two Pushbuttons
    View   In New Window PDF
    28kB
    Application Note 893 
    Switch-Debouncer IC Creates A Long-Period Timer
    View   In New Window PDF
    28kB
    Application Note 892 
    Watchdog Timer Allows Entry to Test Mode
    View   In New Window PDF
    28kB
    Application Note 1858 
    Tiny IC Debounces Pushbutton Switch
    View   In New Window PDF
    31kB
    Application Note 582 
    Watchdog Timer Assumes Varied Roles
    View   In New Window PDF
    54kB
    Application Note 287 
    Switch Bounce and Other Dirty Little Secrets

    Tutorials

    View   In New Window PDF
    57kB
    Tutorial 589 
    CPU Supervisors: Frequently Asked Questions (FAQs)
    View   In New Window PDF
    57kB
    Application Note 4081 
    Alternate Circuits for Overvoltage Protection: Tips and Tricks
    View   In New Window PDF
    77kB
    Application Note 3811 
    Simple Devices for Meeting Voltage Tracking Requirements
    View   In New Window PDF
    97kB
    Application Note 3567 
    Monitoring and Sequencing Supply Voltages in High-Reliability Systems
    View   In New Window PDF
    136kB
    Application Note 3227 
    Power-On Reset and Related Supervisory Functions
    View   In New Window PDF
    104kB
    Tutorial 1926 
    Watchdogs Improve System Reliability—How to Choose the Right Part
    View   In New Window PDF
    47kB
    Tutorial 939 
    Choosing Supervisor Outputs
    View   In New Window PDF
    88kB
    Tutorial 279 
    Supervisory Circuits Keep Your Microprocessor Under Control
    View   In New Window PDF
    104kB
    Tutorial 720 
    Keep the Product Working—Microprocessor Supervisors Offer Big Insurance in Small Packages
    View   In New Window PDF
    103kB
    Application Note 655 
    Supervisor ICs Monitor Battery-Powered Equipment

    Voltage Detectors and Battery Monitors

    View   In New Window   Application Note 6757 
    How to Use LEDs with Supervisory ICs for Undervoltage and Overvoltage Fault Indicators
    View   In New Window PDF
    55kB
    Application Note 5490 
    Level Shifting to Control Power MOSFETs
    View   In New Window PDF
    78kB
    Application Note 4568 
    Bipolar DC-Voltage Detector Offers Sensitivity and Precision
    View   In New Window PDF
    105kB
    Application Note 4545 
    Flexible Overvoltage/Undervoltage Detector Monitors Negative and Positive Voltages
    View   In New Window PDF
    57kB
    Application Note 4519 
    Simple and Easy Power-OK Indicator Detects Under- and Over-Voltage
    View   In New Window PDF
    57kB
    Tutorial 589 
    CPU Supervisors: Frequently Asked Questions (FAQs)
    View   In New Window PDF
    57kB
    Application Note 4081 
    Alternate Circuits for Overvoltage Protection: Tips and Tricks
    View   In New Window PDF
    97kB
    Application Note 3567 
    Monitoring and Sequencing Supply Voltages in High-Reliability Systems
    View   In New Window PDF
    136kB
    Application Note 3227 
    Power-On Reset and Related Supervisory Functions
    View   In New Window PDF
    111.2kB
    Application Note 3254 
    Battery Monitoring in NV SRAM Modules
    View   In New Window PDF
    21kB
    Application Note 1987 
    Auto-Retry Controller Suits Telecom Applications
    View   In New Window PDF
    33kB
    Application Note 1156 
    Low-Cost AC Supply
    View   In New Window PDF
    47kB
    Tutorial 939 
    Choosing Supervisor Outputs
    View   In New Window PDF
    88kB
    Tutorial 279 
    Supervisory Circuits Keep Your Microprocessor Under Control
    View   In New Window PDF
    28kB
    Application Note 1050 
    Reset Circuit Ensures Valid Supply Voltage
    View   In New Window PDF
    104kB
    Tutorial 720 
    Keep the Product Working—Microprocessor Supervisors Offer Big Insurance in Small Packages
    View   In New Window PDF
    70kB
    Application Note 164 
    Using the DS1814 MicroMonitor to Control Microprocessor Resets
    View   In New Window PDF
    111kB
    Application Note 581 
    Advantages of Using a MicroMonitor and a Simple Application Demonstrating the Use of a DS1232
    View   In New Window PDF
    103kB
    Application Note 655 
    Supervisor ICs Monitor Battery-Powered Equipment

    Watchdog Timers

    View   In New Window PDF
    67kB
    Application Note 4850 
    Microcontroller Controls Current-Loop AFE Protection
    View   In New Window PDF
    70kB
    Application Note 4567 
    Simple Timeout Protection for High Current Flash LED Drivers
    View   In New Window PDF
    56kB
    Application Note 4558 
    Simple Latching Watchdog Timer
    View   In New Window PDF
    57kB
    Tutorial 589 
    CPU Supervisors: Frequently Asked Questions (FAQs)
    View   In New Window PDF
    57kB
    Application Note 3623 
    Battery-Charger PWM Input Has Watchdog Protection
    View   In New Window PDF
    104kB
    Tutorial 1926 
    Watchdogs Improve System Reliability—How to Choose the Right Part
    View   In New Window PDF
    49kB
    Application Note 1865 
    Different Ways to Use a MAX6369 Series Watchdog Timer
    View   In New Window PDF
    92kB
    Application Note 1070 
    Windowed Watchdog Enhances µP Supervisors
    View   In New Window PDF
    47kB
    Tutorial 939 
    Choosing Supervisor Outputs
    View   In New Window PDF
    88kB
    Tutorial 279 
    Supervisory Circuits Keep Your Microprocessor Under Control
    View   In New Window PDF
    28kB
    Application Note 892 
    Watchdog Timer Allows Entry to Test Mode
    View   In New Window PDF
    104kB
    Tutorial 720 
    Keep the Product Working—Microprocessor Supervisors Offer Big Insurance in Small Packages
    View   In New Window PDF
    70kB
    Application Note 164 
    Using the DS1814 MicroMonitor to Control Microprocessor Resets
    View   In New Window PDF
    31kB
    Application Note 582 
    Watchdog Timer Assumes Varied Roles


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