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MAX809REUR+T
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MAX809REUR+T

Product Overview

  • Category: Integrated Circuits (ICs)
  • Use: Voltage Supervisors
  • Characteristics: Low Power, Reset Output, Active High, Open Drain or Open Collector, Push-Pull, 1 Reset, Manual Reset, Watchdog Timer, Adjustable, Fixed, SOT-23-3 Package
  • Essence: MAX809REUR+T is a voltage supervisor IC that monitors the power supply voltage of a system and provides a reset signal to the microcontroller or other digital circuitry when the voltage drops below a predetermined threshold.
  • Packaging/Quantity: SOT-23-3 package, available in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

  • Supply Voltage Range: 1.0V to 5.5V
  • Threshold Voltage Options: 2.93V, 3.08V, 3.15V, 3.30V, 4.38V
  • Reset Timeout Period: 140ms, 560ms, 1120ms, 2240ms
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX809REUR+T has three pins:

  1. GND: Ground pin
  2. RESET: Reset output pin
  3. VCC: Power supply input pin

Functional Features

  • Low quiescent current consumption
  • Precision monitoring of power supply voltage
  • Manual reset input for immediate system reset
  • Watchdog timer for monitoring system activity
  • Adjustable threshold voltage options
  • Open drain or push-pull reset output configuration

Advantages and Disadvantages

Advantages: - Low power consumption - Wide operating voltage range - Adjustable threshold voltage - Small package size

Disadvantages: - Limited reset timeout period options - Lack of additional features like power-on reset delay

Working Principles

The MAX809REUR+T operates by continuously monitoring the voltage level at the VCC pin. When the voltage drops below the threshold voltage set by the user, the RESET pin is activated, providing a reset signal to the connected microcontroller or digital circuitry. The manual reset input allows for an immediate system reset, while the watchdog timer ensures that the system remains active and responsive.

Detailed Application Field Plans

The MAX809REUR+T is commonly used in various applications where reliable voltage monitoring and system reset functionality are required. Some of the typical application fields include:

  1. Embedded Systems: Used to monitor the power supply voltage in microcontroller-based embedded systems, ensuring proper operation and preventing data corruption during power fluctuations.
  2. Industrial Automation: Employed in industrial automation systems to monitor the power supply voltage and initiate a system reset if necessary, ensuring uninterrupted operation and preventing damage to equipment.
  3. Automotive Electronics: Integrated into automotive electronic systems to monitor the battery voltage and provide a reset signal to critical components in case of voltage drops, enhancing system reliability and safety.
  4. Consumer Electronics: Utilized in consumer electronic devices such as smartphones, tablets, and gaming consoles to monitor the power supply voltage and initiate a reset if the voltage falls below the specified threshold, preventing system crashes and data loss.

Detailed and Complete Alternative Models

Some alternative models to MAX809REUR+T with similar functionality and characteristics include:

  1. MAX811SEUS+T
  2. MAX810SEUR+T
  3. MAX803REXR+T
  4. MAX6315US26D3-T
  5. MAX6381XR22D3-T

These alternative models offer comparable voltage monitoring and reset functionality, but may have slight differences in specifications and package options.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van MAX809REUR+T in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of MAX809REUR+T in technical solutions:

  1. Q: What is MAX809REUR+T? A: MAX809REUR+T is a voltage monitor and reset IC that ensures proper system operation by monitoring the power supply voltage.

  2. Q: What is the operating voltage range of MAX809REUR+T? A: The operating voltage range of MAX809REUR+T is typically between 1.6V and 5.5V.

  3. Q: How does MAX809REUR+T monitor the power supply voltage? A: MAX809REUR+T compares the monitored voltage with a preset threshold and asserts a reset signal if the voltage drops below the threshold.

  4. Q: Can I adjust the threshold voltage of MAX809REUR+T? A: No, the threshold voltage of MAX809REUR+T is fixed at a specific value, typically around 2.93V.

  5. Q: What is the typical reset timeout period of MAX809REUR+T? A: The typical reset timeout period of MAX809REUR+T is 140ms.

  6. Q: Can I use MAX809REUR+T in battery-powered applications? A: Yes, MAX809REUR+T is suitable for battery-powered applications due to its low quiescent current consumption.

  7. Q: Does MAX809REUR+T have an open-drain or push-pull output? A: MAX809REUR+T has an open-drain output, which allows for flexibility in connecting multiple devices.

  8. Q: Can I use MAX809REUR+T as a watchdog timer? A: No, MAX809REUR+T is not designed to function as a watchdog timer. It is primarily used for power supply monitoring and reset generation.

  9. Q: What is the maximum operating temperature range of MAX809REUR+T? A: The maximum operating temperature range of MAX809REUR+T is typically between -40°C and +85°C.

  10. Q: Is MAX809REUR+T available in different package options? A: Yes, MAX809REUR+T is available in various package options, including SOT23-3 and SC70-3.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications for MAX809REUR+T.