MAX6419UK18+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: 1.8V, 2.5V, 3.0V, 3.3V, 5.0V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6419UK18+T IC has the following pin configuration:

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Pin Description: 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

• Monitors the voltage level of the power supply continuously.
• Generates a reset signal when the voltage falls below the selected threshold.
• Provides an adjustable reset timeout period for flexibility.
• Includes a manual reset input for immediate system reset.
• Works with a wide range of supply voltages.

Advantages and Disadvantages

Advantages: - Compact package size allows for space-saving designs. - Wide supply voltage range enables compatibility with various systems. - Adjustable reset timeout period offers flexibility in different applications. - Manual reset input provides additional control over system reset.

Disadvantages: - Limited threshold voltage options may not cover all voltage requirements. - SOT23-5 package may require surface mount soldering expertise.

Working Principles

The MAX6419UK18+T monitors the voltage level of the power supply by comparing it with the selected threshold voltage. When the supply voltage falls below the threshold, the IC generates a reset signal. The reset signal remains active until the supply voltage rises above the threshold or the reset timeout period elapses. The manual reset input allows for an immediate system reset, overriding the voltage monitoring functionality.

Detailed Application Field Plans

The MAX6419UK18+T is commonly used in various electronic systems where reliable voltage monitoring and reset functionality are required. Some application fields include:

1. Microcontrollers: Ensuring proper operation and preventing data corruption during power supply fluctuations.
2. Industrial Control Systems: Resetting critical components to maintain system integrity in case of power disruptions.
3. Automotive Electronics: Monitoring battery voltage and resetting systems to prevent damage due to low voltage conditions.
4. Medical Devices: Providing a failsafe mechanism to reset medical equipment during power supply issues.
5. IoT Devices: Ensuring stable operation and preventing data loss in connected devices.

Detailed and Complete Alternative Models

1. MAX6419UK18+T: Voltage Monitor and Reset Circuit (1.8V threshold)
2. MAX6419UK25+T: Voltage Monitor and Reset Circuit (2.5V threshold)
3. MAX6419UK30+T: Voltage Monitor and Reset Circuit (3.0V threshold)
4. MAX6419UK33+T: Voltage Monitor and Reset Circuit (3.3V threshold)
5. MAX6419UK50+T: Voltage Monitor and Reset Circuit (5.0V threshold)

These alternative models provide different threshold voltage options to suit various system requirements.

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