Maxim Integrated
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MAX6423US22+T
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MAX6423US22+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Supervisor
  • Characteristics: Low-power, precision voltage monitoring
  • Package: SOT23-5
  • Essence: Monitors the power supply voltage 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: 1.6V to 5.5V
  • Reset Threshold Voltage Options: 2.2V, 2.5V, 3.08V, 4.63V
  • Reset Timeout Period Options: 140ms, 560ms, 1120ms, 2240ms
  • Quiescent Current: 1µA (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6423US22+T has a SOT23-5 package with the following pin configuration:

  1. GND (Ground)
  2. RESET (Reset Output)
  3. MR (Manual Reset Input)
  4. VCC (Supply Voltage)
  5. TH (Threshold Voltage Selection)

Functional Features

  • Precision voltage monitoring
  • Adjustable reset threshold voltage
  • Programmable reset timeout period
  • Manual reset input for immediate system reset
  • Low quiescent current for power efficiency
  • Wide operating temperature range

Advantages and Disadvantages

Advantages: - Low-power consumption - Small form factor - Wide supply voltage range - Adjustable threshold voltage and reset timeout period - Manual reset option

Disadvantages: - Limited number of threshold voltage options - Limited number of reset timeout period options

Working Principles

The MAX6423US22+T is designed to monitor the power supply voltage in electronic systems. It compares the supply voltage with a user-programmable threshold voltage. When the supply voltage falls below the threshold, the reset output is activated, signaling a system reset. The reset timeout period can be adjusted to control the duration of the reset signal.

The device operates with low quiescent current, ensuring minimal power consumption. It also features a manual reset input that allows for an immediate system reset when triggered.

Detailed Application Field Plans

The MAX6423US22+T is commonly used in various applications where voltage monitoring and system reset functionality are required. Some potential application fields include:

  1. Battery-powered devices: Ensuring proper operation and preventing damage due to low battery voltage.
  2. Microcontrollers and microprocessors: Providing reliable reset signals during power-up or voltage fluctuations.
  3. Industrial automation systems: Monitoring power supply integrity and initiating system resets if necessary.
  4. Automotive electronics: Protecting sensitive components from voltage drops and ensuring safe operation.
  5. Home appliances: Preventing malfunctions caused by unstable power supply conditions.

Detailed and Complete Alternative Models

  1. MAX6424US22+T: Similar to MAX6423US22+T but with additional features such as adjustable hysteresis and watchdog timer functionality.
  2. MAX6425US22+T: Voltage supervisor IC with a different package (SOT23-6) and extended temperature range (-40°C to +125°C).
  3. MAX6426US22+T: Offers multiple reset outputs and adjustable reset thresholds in a SOT23-5 package.

These alternative models provide similar voltage monitoring and reset capabilities, but with additional features or different specifications to meet specific application requirements.

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Énumérez 10 questions et réponses courantes liées à l'application de MAX6423US22+T dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of MAX6423US22+T in technical solutions:

  1. Q: What is the MAX6423US22+T? A: The MAX6423US22+T is a voltage supervisor IC that monitors the power supply voltage and provides reset signals to the microcontroller or other digital devices.

  2. Q: What is the operating voltage range of MAX6423US22+T? A: The operating voltage range of MAX6423US22+T is typically between 1.6V and 5.5V.

  3. Q: How many reset outputs does MAX6423US22+T have? A: MAX6423US22+T has two reset outputs, RST1 and RST2, which can be independently configured for different voltage thresholds.

  4. Q: Can I adjust the voltage threshold for the reset signal? A: Yes, the voltage threshold for each reset output can be adjusted using external resistors.

  5. Q: What is the typical reset time delay of MAX6423US22+T? A: The typical reset time delay of MAX6423US22+T is 140ms.

  6. Q: Can I use MAX6423US22+T in battery-powered applications? A: Yes, MAX6423US22+T is suitable for battery-powered applications as it operates within a wide voltage range and has low quiescent current.

  7. Q: Does MAX6423US22+T have any built-in protection features? A: Yes, MAX6423US22+T includes features like thermal shutdown and short-circuit protection to ensure safe operation.

  8. Q: Can I use MAX6423US22+T in automotive applications? A: Yes, MAX6423US22+T is automotive-grade and can be used in automotive applications that require voltage monitoring and reset functionality.

  9. Q: What is the package type of MAX6423US22+T? A: MAX6423US22+T is available in a small SOT23-5 package, which is suitable for space-constrained designs.

  10. Q: Are there any evaluation boards or reference designs available for MAX6423US22+T? A: Yes, Maxim Integrated provides evaluation kits and reference designs to help users quickly prototype and integrate MAX6423US22+T into their applications.

Please note that these answers are general and may vary depending on the specific requirements and application scenarios. It's always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.