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MAX691AEWE+T

MAX691AEWE+T

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Monitor and Reset Circuit
  • Characteristics: Low-power, precision voltage monitoring, reset generation
  • Package: 16-pin wide SOIC (Small Outline Integrated Circuit)
  • Essence: Provides power supply monitoring and reset generation for microcontrollers and other digital systems
  • Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

  • Supply Voltage Range: 1.2V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Reset Threshold Options: 4.63V, 4.38V, 4.00V, or adjustable
  • Reset Timeout Period: 140ms (min) or adjustable
  • Quiescent Current: 10µA (typical)

Detailed Pin Configuration

  1. VCC: Positive supply voltage input
  2. GND: Ground reference
  3. RESET: Active-low reset output
  4. MR: Manual reset input
  5. RESET OUT: Open-drain reset output
  6. GND: Ground reference
  7. RESET: Active-low reset output
  8. RESET OUT: Open-drain reset output
  9. GND: Ground reference
  10. RESET: Active-low reset output
  11. RESET OUT: Open-drain reset output
  12. GND: Ground reference
  13. RESET: Active-low reset output
  14. RESET OUT: Open-drain reset output
  15. GND: Ground reference
  16. VCC: Positive supply voltage input

Functional Features

  • Monitors the power supply voltage and generates a reset signal when the voltage falls below a specified threshold.
  • Provides a manual reset input for immediate system reset.
  • Offers an open-drain reset output for interfacing with other devices.
  • Adjustable reset threshold and timeout period for customization.
  • Low quiescent current consumption for power efficiency.

Advantages

  • Ensures reliable system operation by monitoring the power supply voltage.
  • Protects microcontrollers and digital systems from erratic behavior during power fluctuations.
  • Allows customization of reset threshold and timeout period to suit specific application requirements.
  • Provides a manual reset input for immediate system reset when needed.
  • Open-drain reset output facilitates easy interfacing with other devices.

Disadvantages

  • Limited to a maximum supply voltage of 5.5V.
  • Requires careful consideration of the reset threshold and timeout period settings to avoid false triggering or delayed resets.

Working Principles

The MAX691AEWE+T is designed to monitor the power supply voltage of a system. It compares the supply voltage against a preset threshold and generates a reset signal when the voltage falls below this threshold. The reset signal can be used to initiate a system reset or trigger other actions. The device also includes a manual reset input, allowing users to manually reset the system if required. The open-drain reset output enables easy integration with other devices.

Detailed Application Field Plans

  • Microcontroller-based systems
  • Digital systems requiring reliable power supply monitoring
  • Battery-powered devices
  • Industrial control systems
  • Automotive electronics
  • Home automation systems

Detailed and Complete Alternative Models

  1. MAX811: Voltage Monitor and Reset Circuit with adjustable reset threshold and timeout period.
  2. MAX809: Voltage Monitor and Reset Circuit with fixed reset threshold and adjustable timeout period.
  3. MAX803: Voltage Monitor and Reset Circuit with fixed reset threshold and timeout period.
  4. MAX638: Voltage Monitor and Reset Circuit with adjustable reset threshold and fixed timeout period.
  5. MAX631: Voltage Monitor and Reset Circuit with fixed reset threshold and fixed timeout period.

(Note: The above list is not exhaustive and there are several alternative models available in the market.)

This entry provides an overview of the MAX691AEWE+T, a voltage monitor and reset circuit integrated circuit. It includes basic information such as its category, use, characteristics, package, essence, and packaging/quantity details. The specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models are also discussed.

Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van MAX691AEWE+T in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of MAX691AEWE+T in technical solutions:

  1. Q: What is the MAX691AEWE+T? A: The MAX691AEWE+T is a microprocessor supervisory circuit that monitors the power supply voltage of a system and provides reset signals to the microcontroller or other digital ICs.

  2. Q: What is the purpose of using the MAX691AEWE+T in a technical solution? A: The MAX691AEWE+T ensures reliable operation by monitoring the power supply voltage and generating reset signals to prevent the microcontroller from operating in an undefined state during power-up, power-down, or brownout conditions.

  3. Q: How does the MAX691AEWE+T detect power supply voltage variations? A: The MAX691AEWE+T compares the monitored voltage with a preset threshold. If the voltage drops below the threshold, it generates a reset signal to the microcontroller.

  4. Q: Can the MAX691AEWE+T be used with different power supply voltages? A: Yes, the MAX691AEWE+T can be used with a wide range of power supply voltages, typically from 1.8V to 5V.

  5. Q: Does the MAX691AEWE+T have any adjustable parameters? A: Yes, the MAX691AEWE+T allows for adjustable reset thresholds through external resistors, enabling customization for specific applications.

  6. Q: Is the MAX691AEWE+T suitable for battery-powered applications? A: Yes, the MAX691AEWE+T has low quiescent current consumption, making it suitable for battery-powered devices where power efficiency is crucial.

  7. Q: Can the MAX691AEWE+T handle multiple power supply inputs? A: Yes, the MAX691AEWE+T can monitor multiple power supply inputs simultaneously, providing reset signals if any of them fall below the threshold.

  8. Q: Does the MAX691AEWE+T have any built-in delay for generating reset signals? A: Yes, the MAX691AEWE+T has an adjustable reset timeout period to ensure stable operation during power-up and power-down sequences.

  9. Q: Can the MAX691AEWE+T be used in automotive applications? A: Yes, the MAX691AEWE+T is designed to meet automotive industry standards and can be used in automotive applications where reliable power supply monitoring is required.

  10. Q: Are there any specific precautions to consider when using the MAX691AEWE+T? A: It is important to follow the manufacturer's datasheet guidelines for proper circuit layout, decoupling capacitors, and thermal considerations to ensure optimal performance and reliability of the MAX691AEWE+T.