Maxim Integrated
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MAX812REUS+T
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MAX812REUS+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Monitor
  • Characteristics: Low Power, Precision Monitoring, Reset Output
  • Package: SOT-143
  • Essence: Supervisory Circuit
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Supply Voltage Range: 1.2V to 5.5V
  • Reset Threshold Voltage Options: 2.93V, 3.08V, 3.63V, 4.38V
  • Reset Timeout Period Options: 140ms, 560ms, 1120ms, 2240ms
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX812REUS+T has a total of four pins:

  1. GND: Ground pin.
  2. RESET: Active-low reset output.
  3. MR: Manual reset input.
  4. VCC: Positive supply voltage input.

Functional Features

  • Monitors the supply voltage and asserts the reset output when it falls below the specified threshold.
  • Provides a manual reset input for external system reset control.
  • Low power consumption, making it suitable for battery-powered applications.
  • Precision monitoring ensures accurate detection of voltage variations.

Advantages and Disadvantages

Advantages

  • Wide supply voltage range allows compatibility with various systems.
  • Multiple reset threshold voltage and timeout period options provide flexibility in different applications.
  • Small package size enables space-saving designs.
  • Low power consumption extends battery life.

Disadvantages

  • Limited number of reset threshold voltage and timeout period options may not meet the requirements of all applications.
  • SOT-143 package may be challenging to solder for inexperienced users.

Working Principles

The MAX812REUS+T is a supervisory circuit that continuously monitors the supply voltage. It compares the voltage against the set threshold and generates a reset output when the voltage falls below the threshold. The reset output remains asserted until the voltage rises above the threshold or a manual reset signal is received.

Detailed Application Field Plans

The MAX812REUS+T finds applications in various fields, including:

  1. Embedded Systems: Provides reliable power-on reset functionality for microcontrollers and other digital devices.
  2. Battery-Powered Devices: Ensures proper operation by monitoring the battery voltage and initiating a reset if necessary.
  3. Industrial Control Systems: Enhances system reliability by detecting power supply fluctuations and preventing erratic behavior.
  4. Automotive Electronics: Protects sensitive electronic components from voltage drops and ensures safe operation.

Detailed and Complete Alternative Models

  • MAX811REUS+T
  • MAX813REUS+T
  • MAX810REUS+T
  • MAX809REUS+T
  • MAX813LCSA+T

These alternative models offer similar functionality and can be considered as replacements for the MAX812REUS+T in different applications.

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Énumérez 10 questions et réponses courantes liées à l'application de MAX812REUS+T dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of MAX812REUS+T in technical solutions:

  1. Q: What is the MAX812REUS+T? A: The MAX812REUS+T is a microprocessor supervisory circuit that monitors the power supply voltage of a microcontroller or other digital systems.

  2. Q: What is the purpose of using the MAX812REUS+T? A: The MAX812REUS+T ensures proper operation of the microcontroller by monitoring the power supply voltage and generating a reset signal when it falls below a specified threshold.

  3. Q: How does the MAX812REUS+T work? A: The MAX812REUS+T continuously compares the power supply voltage with a reference voltage. If the voltage drops below the threshold, it triggers a reset signal to the microcontroller.

  4. Q: What is the operating voltage range of the MAX812REUS+T? A: The MAX812REUS+T operates within a voltage range of 1.6V to 5.5V.

  5. Q: Can the MAX812REUS+T be used with different microcontrollers? A: Yes, the MAX812REUS+T can be used with a wide range of microcontrollers and digital systems as long as the operating voltage is within its specified range.

  6. Q: Does the MAX812REUS+T have any adjustable parameters? A: No, the MAX812REUS+T does not have any adjustable parameters. It has a fixed threshold voltage for generating the reset signal.

  7. Q: Can the MAX812REUS+T be used in battery-powered applications? A: Yes, the MAX812REUS+T is suitable for battery-powered applications as it operates within a low voltage range and has low quiescent current consumption.

  8. Q: What is the typical reset time delay of the MAX812REUS+T? A: The typical reset time delay of the MAX812REUS+T is 140ms.

  9. Q: Does the MAX812REUS+T have any additional features? A: Yes, the MAX812REUS+T includes a manual reset input and an active-low push-pull reset output for added flexibility in system design.

  10. Q: Is the MAX812REUS+T available in different package options? A: Yes, the MAX812REUS+T is available in a SOT-143 package, which is a small surface-mount package suitable for space-constrained applications.

Please note that these answers are general and may vary depending on the specific requirements and datasheet of the MAX812REUS+T.