MAX6420UK16+T

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics:
  • Monitors the voltage level of a power supply and generates a reset signal when the voltage falls below a specified threshold.
  • Provides protection against power supply glitches, brownouts, and other voltage-related issues.
  • Can be used in various electronic devices and systems to ensure proper operation and prevent data corruption or loss.
• Package: SOT23-5
• Essence: Voltage monitoring and reset generation
• Packaging/Quantity: Tape and Reel / 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Options: 2.93V, 3.08V, 3.63V, 4.38V, 4.63V
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6420UK16+T IC has the following pin configuration:

____ RESET | | GND | | | | VCC | | |____|

• RESET: Output pin for the reset signal.
• GND: Ground reference pin.
• VCC: Power supply input pin.

Functional Features

• Voltage Monitoring: The MAX6420UK16+T continuously monitors the voltage level of the power supply connected to it.
• Reset Generation: When the voltage falls below the specified threshold, the IC generates a reset signal on the RESET pin.
• Adjustable Threshold: The IC offers multiple reset threshold options, allowing flexibility in setting the desired voltage level for triggering the reset signal.
• Reset Timeout: After generating the reset signal, the IC keeps it active for a specific timeout period (140ms typical) to ensure proper system recovery.
• Low Power Consumption: The MAX6420UK16+T operates with low power consumption, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - Provides reliable voltage monitoring and reset generation functionality. - Adjustable threshold options offer flexibility in different applications. - Compact SOT23-5 package allows for space-efficient integration into electronic devices. - Low power consumption extends battery life in portable devices.

Disadvantages: - Limited to voltage monitoring and reset generation functions only. - Requires an external power supply for operation.

Working Principles

The MAX6420UK16+T works by continuously monitoring the voltage level of the connected power supply. It compares the voltage against the set threshold value. If the voltage falls below the threshold, the IC generates a reset signal on the RESET pin. This reset signal can be used to initiate system recovery or perform other necessary actions. The reset signal remains active for a specific timeout period to allow the system to stabilize before resuming normal operation.

Detailed Application Field Plans

The MAX6420UK16+T is widely used in various electronic devices and systems where voltage monitoring and reset generation are critical. Some application fields include:

1. Microcontrollers and Microprocessors: Ensures proper operation and prevents data corruption in embedded systems.
2. Industrial Control Systems: Protects sensitive equipment from voltage-related issues and ensures reliable operation.
3. Communication Systems: Provides voltage supervision to maintain stable communication channels.
4. Automotive Electronics: Monitors power supply integrity and initiates system recovery in case of voltage disturbances.
5. Medical Devices: Ensures uninterrupted operation and patient safety by monitoring power supply voltage.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MAX6420UK16+T include:

1. MAX6412UK26+T
2. MAX6439UT+T
3. MAX6381XR26D3-T

These models have comparable features and can be considered as alternatives based on specific application requirements.

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