MAX6418UK22+T

Product Overview

• Category: Integrated Circuit
• Use: Voltage Monitor and Reset Circuit
• Characteristics: Low-power, low-voltage operation
• Package: SOT23-5
• Essence: Monitors voltage levels and provides reset signals
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.2V, 2.3V, 2.4V, 2.5V, 2.6V, 2.7V, 2.8V, 2.9V, 3.0V, 3.1V, 3.2V, 3.3V, 3.4V, 3.5V, 3.6V, 3.7V, 3.8V, 3.9V, 4.0V, 4.1V, 4.2V, 4.3V, 4.4V, 4.5V, 4.6V, 4.7V, 4.8V, 4.9V, 5.0V, 5.1V, 5.2V, 5.3V, 5.4V, 5.5V
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. GND: Ground connection
2. MR: Manual Reset input
3. VCC: Positive supply voltage
4. RESET: Reset output
5. TH: Threshold voltage selection pin

Functional Features

• Monitors the voltage level of the power supply
• Generates a reset signal when the voltage falls below the threshold
• Manual reset option available through MR pin
• Adjustable threshold voltage using TH pin

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows for versatile applications
• Multiple threshold voltage options provide flexibility
• Low-power operation conserves energy
• Small package size enables space-saving designs

Disadvantages

• Limited reset timeout period may not be suitable for certain applications
• SOT23-5 package may require additional handling precautions

Working Principles

The MAX6418UK22+T is a voltage monitor and reset circuit that operates over a wide supply voltage range. It continuously monitors the voltage level of the power supply and generates a reset signal when the voltage falls below the selected threshold voltage. The threshold voltage can be adjusted using the TH pin, allowing customization for different applications. Additionally, a manual reset option is available through the MR pin.

Detailed Application Field Plans

The MAX6418UK22+T finds applications in various fields where voltage monitoring and reset functionality are required. Some potential application areas include:

1. Microcontrollers: Ensuring proper operation by resetting the system when the power supply voltage drops below a specified threshold.
2. Battery-Powered Devices: Protecting sensitive electronics from damage due to low battery voltage by triggering a reset or warning signal.
3. Industrial Control Systems: Monitoring power supply voltages in control panels to prevent malfunctions and ensure reliable operation.
4. Automotive Electronics: Resetting microcontrollers and other critical components in automotive systems to maintain safe and stable operation.
5. Home Automation: Providing voltage monitoring and reset capabilities in smart home devices to enhance reliability and user experience.

Detailed and Complete Alternative Models

1. MAX6419UK22+T: Similar to MAX6418UK22+T but with a different reset timeout period.
2. MAX6420UK22+T: Voltage monitor and reset circuit with additional features such as adjustable hysteresis and watchdog timer.
3. MAX6381XR26D3-T: Voltage monitor and reset circuit with a fixed threshold voltage of 2.6V and an extended temperature range.

(Note: The above alternative models are provided for reference and may have different specifications and pin configurations. Please refer to the respective datasheets for detailed information.)

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