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MIC2550AYTS
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MIC2550AYTS

Product Overview

Category

The MIC2550AYTS belongs to the category of voltage supervisors and reset ICs.

Use

It is used to monitor the power supply voltage level and provide a reset signal to the microcontroller or other digital system when the voltage drops below a predefined threshold.

Characteristics

  • Low power consumption
  • Wide operating voltage range
  • Small package size
  • Adjustable reset threshold
  • Built-in delay time

Package

The MIC2550AYTS is available in a small SOT-23-5 package.

Essence

The essence of the MIC2550AYTS lies in its ability to ensure reliable operation of digital systems by monitoring the power supply voltage.

Packaging/Quantity

The MIC2550AYTS is typically sold in reels containing 3000 units.

Specifications

  • Operating Voltage Range: 1.6V to 5.5V
  • Reset Threshold Voltage: Adjustable from 1.2V to 4.63V
  • Reset Timeout Period: 140ms (typical)
  • Quiescent Current: 1.7µA (typical)

Detailed Pin Configuration

The MIC2550AYTS has the following pin configuration: 1. VDD (Power Supply Input) 2. GND (Ground) 3. MR (Manual Reset Input) 4. RESET (Reset Output) 5. VOUT (Voltage Monitor Output)

Functional Features

  • Voltage monitoring and reset generation
  • Adjustable reset threshold
  • Manual reset input for external control
  • Low power consumption

Advantages and Disadvantages

Advantages

  • Wide operating voltage range
  • Small package size
  • Low quiescent current
  • Adjustable reset threshold

Disadvantages

  • Limited number of pins for additional features
  • Fixed reset timeout period

Working Principles

The MIC2550AYTS monitors the power supply voltage using an internal voltage reference and comparator. When the voltage drops below the set threshold, the reset output is activated. The reset remains active for the duration of the reset timeout period, ensuring that the microcontroller or digital system is properly reset.

Detailed Application Field Plans

The MIC2550AYTS is commonly used in applications where reliable power supply monitoring and reset functionality are essential, such as: - Battery-powered devices - Embedded systems - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the MIC2550AYTS include: - MAX809 - ADM811 - TPS3808 - MCP809

In conclusion, the MIC2550AYTS is a versatile voltage supervisor IC with adjustable features, making it suitable for a wide range of applications requiring reliable power supply monitoring and reset functionality.

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Καταγράψτε 10 συνήθεις ερωτήσεις και απαντήσεις που σχετίζονται με την εφαρμογή του MIC2550AYTS σε τεχνικές λύσεις

  1. What is the MIC2550AYTS?

    • The MIC2550AYTS is a low-power, high-voltage supervisor circuit designed to monitor power supplies in microcontroller and digital systems.

  2. What is the input voltage range of the MIC2550AYTS?

    • The input voltage range of the MIC2550AYTS is typically 2.5V to 36V.

  3. What is the output voltage threshold of the MIC2550AYTS?

    • The output voltage threshold of the MIC2550AYTS is adjustable and can be set to any value between 1.2V and 5V using an external resistor divider.

  4. What is the quiescent current consumption of the MIC2550AYTS?

    • The quiescent current consumption of the MIC2550AYTS is typically 35µA, making it suitable for low-power applications.

  5. What is the purpose of the watchdog timer in the MIC2550AYTS?

    • The watchdog timer in the MIC2550AYTS provides an additional level of system monitoring by resetting the microcontroller if it fails to periodically reset the watchdog timer.

  6. Can the MIC2550AYTS tolerate automotive voltage transients?

    • Yes, the MIC2550AYTS is designed to withstand automotive voltage transients, making it suitable for automotive and industrial applications.

  7. What is the operating temperature range of the MIC2550AYTS?

    • The operating temperature range of the MIC2550AYTS is typically -40°C to 125°C, allowing it to be used in a wide range of environments.

  8. Does the MIC2550AYTS have built-in hysteresis on the reset output?

    • Yes, the MIC2550AYTS features a built-in hysteresis on the reset output to prevent erratic operation due to noise or voltage fluctuations.

  9. Is the MIC2550AYTS available in a small package for space-constrained applications?

    • Yes, the MIC2550AYTS is available in a small 5-pin SOT-23 package, making it suitable for space-constrained designs.

  10. Can the MIC2550AYTS be used in battery-powered applications?

    • Yes, the low quiescent current and wide input voltage range make the MIC2550AYTS well-suited for battery-powered applications where power efficiency is crucial.