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MAX819LCPA+
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MAX819LCPA+ - English Editing Encyclopedia Entry

Product Overview

Category

MAX819LCPA+ belongs to the category of integrated circuits (ICs).

Use

The MAX819LCPA+ IC is primarily used for power supply monitoring and reset functions in electronic devices.

Characteristics

  • The MAX819LCPA+ is a low-power, voltage-monitoring circuit with a built-in power-on reset.
  • It operates over a wide voltage range, making it suitable for various applications.
  • The IC has a small package size, allowing for space-efficient integration into electronic devices.
  • It offers high accuracy and reliability in power supply monitoring.

Package

The MAX819LCPA+ is available in a compact 8-pin plastic package.

Essence

The essence of MAX819LCPA+ lies in its ability to monitor power supply voltages and provide a reliable reset signal when necessary.

Packaging/Quantity

The IC is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Supply Voltage Range: 1.6V to 5.5V
  • Reset Threshold Voltage Options: 2.5V, 3.0V, 3.3V, 5.0V
  • Operating Temperature Range: -40°C to +85°C
  • Quiescent Current: 4µA (typical)
  • Power-On Reset Delay Time: 100ms (typical)

Detailed Pin Configuration

The MAX819LCPA+ IC has the following pin configuration:

  1. GND (Ground)
  2. VCC (Supply Voltage)
  3. MR (Manual Reset Input)
  4. RESET (Reset Output)
  5. TH (Threshold Voltage Selection)
  6. NC (No Connection)
  7. NC (No Connection)
  8. NC (No Connection)

Functional Features

  • Power supply voltage monitoring
  • Power-on reset generation
  • Manual reset input for external control
  • Reset output signal for system initialization

Advantages and Disadvantages

Advantages

  • Wide operating voltage range allows for versatile applications.
  • Small package size enables space-efficient integration.
  • High accuracy and reliability in power supply monitoring.
  • Power-on reset ensures proper system initialization.

Disadvantages

  • Limited threshold voltage options may not suit all applications.
  • No built-in protection features against voltage spikes or transients.

Working Principles

The MAX819LCPA+ monitors the supply voltage and generates a reset signal based on the selected threshold voltage. When the supply voltage falls below the threshold, the reset output is activated, indicating a power failure or low voltage condition. The IC also includes a manual reset input that can be used to override the automatic reset function.

Detailed Application Field Plans

The MAX819LCPA+ IC finds application in various electronic devices, including but not limited to: - Microcontrollers - Embedded systems - Industrial automation equipment - Consumer electronics - Power management systems

Detailed and Complete Alternative Models

  1. MAX809LCPA+: Similar to MAX819LCPA+, but without the manual reset input feature.
  2. MAX811LCPA+: Provides additional power supply voltage monitoring options and adjustable reset timeout period.
  3. MAX803LCPA+: Offers a wider range of threshold voltage options and lower quiescent current.

These alternative models provide similar functionality with slight variations to cater to different application requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MAX819LCPA+ en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of MAX819LCPA+ in technical solutions:

  1. Q: What is the MAX819LCPA+? A: The MAX819LCPA+ is a voltage supervisor IC that monitors the power supply voltage and provides reset signals to the microcontroller or other digital systems.

  2. Q: What is the operating voltage range of MAX819LCPA+? A: The operating voltage range of MAX819LCPA+ is typically between 1.6V and 5.5V.

  3. Q: How does MAX819LCPA+ provide reset signals? A: MAX819LCPA+ generates reset signals when the monitored voltage falls below a specified threshold, ensuring proper system initialization.

  4. Q: Can I adjust the reset threshold voltage of MAX819LCPA+? A: Yes, the reset threshold voltage can be adjusted using external resistors connected to the VTH pin.

  5. Q: What is the typical reset timeout period of MAX819LCPA+? A: The typical reset timeout period of MAX819LCPA+ is 140ms, which ensures sufficient time for the power supply to stabilize before releasing the reset signal.

  6. Q: Does MAX819LCPA+ have an open-drain output? A: Yes, MAX819LCPA+ has an open-drain RESET output, allowing easy interfacing with different microcontrollers or logic devices.

  7. Q: Can I use MAX819LCPA+ in battery-powered applications? A: Yes, MAX819LCPA+ operates at low quiescent current and is suitable for battery-powered applications.

  8. Q: Is MAX819LCPA+ available in different package options? A: Yes, MAX819LCPA+ is available in a 6-pin SOT23 package.

  9. Q: Can I use MAX819LCPA+ for overvoltage protection? A: No, MAX819LCPA+ is specifically designed for undervoltage monitoring and does not provide overvoltage protection.

  10. Q: Are there any application notes or reference designs available for MAX819LCPA+? A: Yes, Maxim Integrated provides application notes and reference designs that can help you understand and implement MAX819LCPA+ in your technical solutions.

Please note that the answers provided here are general and may vary depending on specific requirements and datasheet specifications. It's always recommended to refer to the official documentation and consult with the manufacturer for accurate information.