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MAX824REUK+T
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MAX824REUK+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Monitor and Reset Circuit
  • Characteristics: Low-power, precision voltage monitoring, reset output
  • Package: SOT-23-5
  • Essence: Monitors the voltage level of a power supply and provides a reset signal when the voltage falls below a certain threshold.
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Supply Voltage Range: 1.2V to 5.5V
  • Threshold Voltage Options: 2.5V, 3.0V, 3.3V, 4.38V
  • Reset Timeout Period: Adjustable or Fixed (140ms, 280ms, 560ms, 1120ms)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX824REUK+T IC has a total of 5 pins:

  1. GND: Ground connection
  2. MR: Manual Reset input pin
  3. RESET: Active-low reset output
  4. VCC: Positive power supply input
  5. TH: Threshold voltage selection pin

Functional Features

  • Precision Voltage Monitoring: The MAX824REUK+T monitors the voltage level of the power supply with high accuracy.
  • Reset Output: When the monitored voltage falls below the set threshold, the IC generates an active-low reset signal.
  • Adjustable Reset Timeout: The reset timeout period can be adjusted according to the application requirements.
  • Manual Reset Input: The IC provides a manual reset input for immediate system reset.

Advantages and Disadvantages

Advantages: - Low-power consumption - Wide supply voltage range - Adjustable reset timeout period - Small package size

Disadvantages: - Limited threshold voltage options - Single-channel monitoring

Working Principles

The MAX824REUK+T operates by comparing the input voltage with the threshold voltage set using the TH pin. When the input voltage falls below the threshold, the reset output is activated. The reset timeout period determines how long the reset signal remains active after the voltage rises above the threshold.

Detailed Application Field Plans

  1. Power Supply Monitoring: The MAX824REUK+T can be used in various electronic devices to monitor the power supply voltage and ensure proper system operation.
  2. Microcontroller Reset: It is commonly employed to reset microcontrollers when the power supply voltage drops below a certain level, preventing erratic behavior or data corruption.
  3. Battery-Powered Systems: The IC can be utilized in battery-powered systems to monitor the battery voltage and initiate a reset if it falls below a critical level.

Detailed and Complete Alternative Models

  1. MAX823REUK+T: Similar to MAX824REUK+T but with fixed reset timeout period options.
  2. MAX825REUK+T: Provides additional features like watchdog timer and adjustable reset timeout period.
  3. MAX826REUK+T: Offers higher threshold voltage options for specific applications.

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Texniki həllərdə MAX824REUK+T tətbiqi ilə bağlı 10 ümumi sual və cavabı sadalayın

Sure! Here are 10 common questions and answers related to the application of MAX824REUK+T in technical solutions:

  1. Q: What is the MAX824REUK+T? A: The MAX824REUK+T is a voltage monitor and reset IC manufactured by Maxim Integrated. It provides power supply monitoring and reset generation functions.

  2. Q: What is the operating voltage range of MAX824REUK+T? A: The operating voltage range of MAX824REUK+T is typically between 1.6V and 5.5V.

  3. Q: How does MAX824REUK+T monitor the power supply? A: MAX824REUK+T monitors the power supply by comparing the input voltage with a fixed threshold voltage. If the input voltage drops below the threshold, it triggers a reset signal.

  4. Q: Can I adjust the threshold voltage of MAX824REUK+T? A: No, the threshold voltage of MAX824REUK+T is fixed at a specific value and cannot be adjusted.

  5. Q: What is the typical reset timeout period of MAX824REUK+T? A: The typical reset timeout period of MAX824REUK+T is around 140ms.

  6. Q: Does MAX824REUK+T have an open-drain or push-pull output? A: MAX824REUK+T has an open-drain output, which allows for flexibility in interfacing with different microcontrollers or logic circuits.

  7. Q: Can I use MAX824REUK+T to monitor multiple power supplies simultaneously? A: Yes, you can use multiple MAX824REUK+T devices to monitor multiple power supplies independently.

  8. Q: Is MAX824REUK+T suitable for battery-powered applications? A: Yes, MAX824REUK+T is suitable for battery-powered applications as it has a low quiescent current and operates at low voltages.

  9. Q: Can I use MAX824REUK+T to generate a software reset signal? A: No, MAX824REUK+T only generates a hardware reset signal. Software reset functionality needs to be implemented separately.

  10. Q: What is the package type of MAX824REUK+T? A: MAX824REUK+T is available in a SOT-23-5 package, which is small and suitable for space-constrained applications.

Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult with technical experts for accurate information.