Meixin Integrated
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MAX803REXR+T10
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MAX803REXR+T10

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Supervisor
  • Characteristics: Low-power, microprocessor reset circuit
  • Package: SOT-23-3
  • Essence: Ensures reliable system operation by monitoring the power supply voltage
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Supply Voltage Range: 1.0V to 5.5V
  • Reset Threshold Voltage Options: 2.63V, 2.93V, 3.08V, 4.38V
  • Reset Timeout Period Options: 1.6ms, 20ms, 140ms, 1120ms
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX803REXR+T10 has a standard SOT-23-3 package with the following pin configuration:

  • Pin 1: GND (Ground)
  • Pin 2: RESET (Reset Output)
  • Pin 3: VCC (Power Supply)

Functional Features

  • Monitors the power supply voltage and asserts the reset output when the voltage drops below the specified threshold.
  • Provides a debounced reset signal to the microprocessor, ensuring a reliable reset operation.
  • Offers a choice of reset threshold voltage and timeout period options to suit different system requirements.
  • Consumes low quiescent current, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - Reliable voltage monitoring for enhanced system stability. - Flexible options for reset threshold voltage and timeout period. - Low power consumption for extended battery life. - Compact SOT-23-3 package for space-constrained designs.

Disadvantages: - Limited number of reset threshold voltage and timeout period options. - Not suitable for high-voltage applications.

Working Principles

The MAX803REXR+T10 operates by continuously monitoring the power supply voltage. When the voltage drops below the specified threshold, the reset output is asserted, indicating a power failure or unstable voltage condition. The reset signal remains active until the voltage rises above the threshold and the timeout period elapses. This ensures that the microprocessor is properly reset and prevents erratic behavior during power-up or voltage fluctuations.

Application Field Plans

The MAX803REXR+T10 is widely used in various electronic systems where reliable voltage monitoring and microprocessor reset functionality are required. Some application fields include:

  1. Embedded Systems: Provides a stable reset operation for microcontrollers, ensuring proper initialization and preventing software glitches.
  2. Industrial Automation: Ensures uninterrupted operation of control systems by monitoring the power supply voltage and initiating a reset when necessary.
  3. Automotive Electronics: Enhances the reliability of automotive electronic systems by monitoring the battery voltage and resetting the microcontroller in case of voltage drops or transients.
  4. Medical Devices: Guarantees the safe operation of medical equipment by monitoring the power supply voltage and initiating a reset if voltage deviations occur.

Alternative Models

  • MAX803SEXR+T10
  • MAX803TEXR+T10
  • MAX803XEXR+T10

These alternative models offer similar functionality and characteristics to the MAX803REXR+T10, providing flexibility in choosing the most suitable voltage supervisor for specific applications.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van MAX803REXR+T10 in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of MAX803REXR+T10 in technical solutions:

  1. Q: What is the MAX803REXR+T10? A: The MAX803REXR+T10 is a microprocessor reset circuit that monitors the power supply voltage and keeps the microprocessor in reset until the voltage reaches a stable level.

  2. Q: What is the operating voltage range of MAX803REXR+T10? A: The operating voltage range of MAX803REXR+T10 is typically between 1.0V and 5.5V.

  3. Q: How does MAX803REXR+T10 ensure a reliable reset signal? A: MAX803REXR+T10 uses a precision voltage reference and comparator to generate a reset signal with a guaranteed minimum pulse width.

  4. Q: Can I adjust the reset threshold voltage of MAX803REXR+T10? A: No, the reset threshold voltage of MAX803REXR+T10 is fixed at a specific value.

  5. Q: What is the typical reset timeout period of MAX803REXR+T10? A: The typical reset timeout period of MAX803REXR+T10 is 140ms.

  6. Q: Is MAX803REXR+T10 suitable for battery-powered applications? A: Yes, MAX803REXR+T10 has a low quiescent current and is suitable for battery-powered applications.

  7. Q: Can I use MAX803REXR+T10 in automotive applications? A: Yes, MAX803REXR+T10 is designed to meet automotive requirements and can be used in automotive applications.

  8. Q: Does MAX803REXR+T10 have any built-in protection features? A: Yes, MAX803REXR+T10 has built-in protection against short-circuit and overvoltage conditions.

  9. Q: Can I use MAX803REXR+T10 with different microprocessors? A: Yes, MAX803REXR+T10 is compatible with a wide range of microprocessors.

  10. Q: What package options are available for MAX803REXR+T10? A: MAX803REXR+T10 is available in a small SOT23-3 package.

Please note that the answers provided here are general and may vary depending on the specific datasheet and application requirements.