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MAX824MEUK+T
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MAX824MEUK+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 supply voltage and provides a reset signal when voltage falls below a specified 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, 5.0V
  • Reset Timeout Period: Adjustable from 1ms to 640ms
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX824MEUK+T IC has the following pin configuration:

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

Functional Features

  • Monitors the supply voltage continuously
  • Generates a reset signal when the voltage falls below the set threshold
  • Provides a manual reset option through the MR pin
  • Adjustable reset timeout period for flexibility in application requirements
  • Low-power consumption for energy-efficient designs

Advantages and Disadvantages

Advantages

  • Precise voltage monitoring ensures reliable system operation
  • Flexible threshold voltage options to suit different applications
  • Adjustable reset timeout period allows customization
  • Small package size enables space-saving designs
  • Low-power consumption extends battery life

Disadvantages

  • Limited to monitoring and resetting functions only
  • Not suitable for applications requiring complex control or processing capabilities

Working Principles

The MAX824MEUK+T is designed to monitor the supply voltage of a system. It compares the input voltage with a set threshold voltage and generates a reset signal when the voltage falls below this threshold. The reset signal remains active until the voltage rises above the threshold or a manual reset is triggered.

The IC operates in low-power mode, consuming minimal energy while continuously monitoring the voltage. It offers adjustable timeout periods for the reset signal, allowing designers to fine-tune the response time according to their application requirements.

Detailed Application Field Plans

The MAX824MEUK+T is commonly used in various electronic systems where reliable voltage monitoring and reset functionality are crucial. Some typical application fields include:

  1. Microcontrollers and microprocessors
  2. Embedded systems
  3. Power management circuits
  4. Battery-powered devices
  5. Industrial control systems
  6. Automotive electronics

In these applications, the MAX824MEUK+T ensures proper system initialization and prevents erratic behavior caused by insufficient power supply voltage.

Detailed and Complete Alternative Models

  • MAX823MEUK+T: Similar to MAX824MEUK+T but with fixed threshold voltage options (2.5V, 3.0V, 3.3V, 5.0V)
  • MAX825MEUK+T: Similar to MAX824MEUK+T but with an open-drain reset output instead of push-pull

These alternative models offer similar functionality with slight variations to cater to specific design requirements.

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Orodhesha maswali na majibu 10 ya kawaida yanayohusiana na utumiaji wa MAX824MEUK+T katika suluhu za kiufundi

Sure! Here are 10 common questions and answers related to the application of MAX824MEUK+T in technical solutions:

  1. Q: What is MAX824MEUK+T? A: MAX824MEUK+T is a voltage monitor and reset circuit that provides power supply monitoring and reset generation for microcontrollers, microprocessors, and other digital systems.

  2. Q: What is the operating voltage range of MAX824MEUK+T? A: The operating voltage range of MAX824MEUK+T is typically between 1.6V and 5.5V.

  3. Q: How does MAX824MEUK+T monitor the power supply? A: MAX824MEUK+T monitors the power supply by comparing the voltage on its VCC pin with a fixed internal threshold voltage.

  4. Q: Can MAX824MEUK+T generate a reset signal? A: Yes, MAX824MEUK+T can generate an active-low reset signal when the monitored voltage falls below the specified threshold.

  5. Q: What is the typical reset timeout period of MAX824MEUK+T? A: The typical reset timeout period of MAX824MEUK+T is 140ms.

  6. Q: Can I adjust the reset timeout period of MAX824MEUK+T? A: No, the reset timeout period of MAX824MEUK+T is fixed and cannot be adjusted.

  7. Q: Is MAX824MEUK+T suitable for battery-powered applications? A: Yes, MAX824MEUK+T is suitable for battery-powered applications as it operates within a wide voltage range and has low quiescent current consumption.

  8. Q: Does MAX824MEUK+T have any built-in hysteresis? A: Yes, MAX824MEUK+T has a built-in hysteresis of typically 50mV to prevent false triggering due to noise or voltage fluctuations.

  9. Q: Can I use MAX824MEUK+T in automotive applications? A: Yes, MAX824MEUK+T is suitable for automotive applications as it meets the necessary automotive standards and has a wide operating temperature range.

  10. Q: What package does MAX824MEUK+T come in? A: MAX824MEUK+T comes in a SOT-23-5 package, which is small and suitable for space-constrained designs.

Please note that these answers are general and may vary depending on the specific datasheet and application requirements.