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MAX6426UK42+T

MAX6426UK42+T

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Supervisor
  • Characteristics: Low-power, precision voltage monitoring
  • Package: SOT23-5
  • 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: 1.8V to 5.5V
  • Reset Threshold Voltage: 4.2V
  • Reset Timeout Period: 140ms
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6426UK42+T has a total of 5 pins: 1. GND: Ground connection 2. RESET: Output pin for reset signal 3. MR: Manual reset input pin 4. VCC: Positive power supply connection 5. TH: Threshold voltage setting pin

Functional Features

  • Low-power consumption: The MAX6426UK42+T operates at low power levels, making it suitable for battery-powered applications.
  • Precision voltage monitoring: It accurately monitors the voltage level of the power supply, ensuring reliable operation of the connected system.
  • Reset signal generation: When the voltage falls below the preset threshold, the MAX6426UK42+T generates a reset signal to initiate system reset or shutdown.

Advantages and Disadvantages

Advantages: - Compact package size allows for space-efficient designs. - Wide supply voltage range enables compatibility with various power sources. - Precise voltage monitoring ensures system stability.

Disadvantages: - Limited timeout period may not be suitable for applications requiring longer reset delays. - Manual reset input pin may require additional external components for proper functionality.

Working Principles

The MAX6426UK42+T operates by continuously monitoring the voltage level at the TH pin. When the voltage falls below the threshold set by an external resistor divider connected to the TH pin, the RESET pin is pulled low, generating a reset signal. The reset signal remains active until the voltage rises above the threshold or a manual reset is applied to the MR pin.

Detailed Application Field Plans

The MAX6426UK42+T finds applications in various fields, including: 1. Battery-powered devices: It ensures proper system operation by monitoring the battery voltage and initiating a reset when necessary. 2. Microcontroller systems: The voltage supervisor helps maintain system integrity by resetting the microcontroller during power supply fluctuations. 3. Industrial automation: It provides reliable voltage monitoring for critical control systems, preventing malfunctions due to power supply issues.

Detailed and Complete Alternative Models

  1. MAX6426UK42: Similar to MAX6426UK42+T but without tape and reel packaging.
  2. MAX6426UK42+T/V+: Variant with extended operating temperature range (-40°C to +125°C).
  3. MAX6426UK42+T/WD: Wide supply voltage range version (1.8V to 16V).

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Énumérez 10 questions et réponses courantes liées à l'application de MAX6426UK42+T dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of MAX6426UK42+T in technical solutions:

  1. Question: What is the MAX6426UK42+T?
    Answer: The MAX6426UK42+T is a voltage monitor and reset circuit that provides power supply monitoring and reset generation for microcontrollers, DSPs, and other digital systems.

  2. Question: What is the operating voltage range of the MAX6426UK42+T?
    Answer: The operating voltage range is from 1.6V to 5.5V.

  3. Question: How does the MAX6426UK42+T monitor the power supply?
    Answer: It compares the monitored voltage with a preset threshold and generates a reset signal when the voltage falls below the threshold.

  4. Question: Can I adjust the threshold voltage of the MAX6426UK42+T?
    Answer: Yes, the threshold voltage can be adjusted using external resistors.

  5. Question: What is the typical reset timeout period of the MAX6426UK42+T?
    Answer: The typical reset timeout period is 140ms.

  6. Question: Does the MAX6426UK42+T have an open-drain output?
    Answer: Yes, it has an open-drain RESET output.

  7. Question: Can I use the MAX6426UK42+T in battery-powered applications?
    Answer: Yes, the low quiescent current of the MAX6426UK42+T makes it suitable for battery-powered applications.

  8. Question: Is the MAX6426UK42+T available in different package options?
    Answer: Yes, it is available in a SOT23-5 package.

  9. Question: Can I use the MAX6426UK42+T in automotive applications?
    Answer: Yes, the MAX6426UK42+T is AEC-Q100 qualified and can be used in automotive applications.

  10. Question: What are some typical applications of the MAX6426UK42+T?
    Answer: Some typical applications include power supply monitoring and reset generation in microcontrollers, DSPs, portable devices, industrial equipment, and automotive systems.

Please note that these answers are general and may vary depending on specific requirements and use cases.