MAX6412UK42+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics:
  • Monitors the voltage level of a power supply and generates a reset signal when the voltage falls below a certain threshold.
  • Provides a reliable way to ensure proper operation of electronic systems by resetting them in case of power supply issues.
• Package: SOT23-5
• Essence: Voltage monitoring and reset functionality in a compact package.
• Packaging/Quantity: Tape and Reel, 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 4.2V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6412UK42+T has the following pin configuration:

1. GND: Ground connection.
2. RESET: Output reset signal.
3. MR: Manual reset input.
4. VCC: Power supply input.
5. TH: Threshold voltage selection input.

Functional Features

• Voltage Monitoring: The MAX6412UK42+T continuously monitors the voltage level at the VCC pin.
• Reset Generation: When the voltage falls below the threshold set by the TH pin, the MAX6412UK42+T generates a reset signal on the RESET pin.
• Manual Reset: The MR pin allows for manual reset control, overriding the automatic reset generation.
• Adjustable Timeout Period: The reset timeout period can be adjusted using external components, allowing customization based on system requirements.

Advantages and Disadvantages

Advantages: - Compact package size enables space-saving designs. - Wide supply voltage range allows compatibility with various power sources. - Adjustable reset timeout period offers flexibility in system design. - Manual reset capability provides additional control.

Disadvantages: - Limited threshold voltage options may not suit all applications. - Lack of built-in hysteresis may result in potential noise-related issues.

Working Principles

The MAX6412UK42+T operates by comparing the voltage at the VCC pin with the threshold voltage set by the TH pin. When the VCC voltage falls below the threshold, the internal circuitry generates a reset signal on the RESET pin. The reset timeout period can be adjusted using external components connected to the device. The MR pin allows for manual reset control, overriding the automatic reset generation.

Detailed Application Field Plans

The MAX6412UK42+T finds applications in various electronic systems where reliable voltage monitoring and reset functionality are crucial. Some potential application fields include:

1. Microcontrollers: Ensuring proper system initialization and recovery after power supply disturbances.
2. Industrial Control Systems: Preventing data corruption or loss during power fluctuations.
3. Automotive Electronics: Resetting microcontrollers and other critical components in case of voltage drops.
4. Medical Devices: Safeguarding patient safety by resetting devices upon power supply issues.
5. Home Automation: Maintaining stable operation of smart home devices during power outages.

Detailed and Complete Alternative Models

1. MAX6412UK42+T: The specific model discussed in this entry.
2. MAX6412UK43+T: Similar to MAX6412UK42+T but with a different threshold voltage option (4.3V).
3. MAX6412UK44+T: Similar to MAX6412UK42+T but with a different threshold voltage option (4.4V).
4. MAX6412UK45+T: Similar to MAX6412UK42+T but with a different threshold voltage option (4.5V).

These alternative models provide flexibility in selecting the appropriate threshold voltage for specific application requirements.

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