MAX6425UK16+TG103

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, precision voltage monitoring
• Package: SOT23-5
• Essence: Provides accurate monitoring and reset generation for microcontrollers and other digital systems
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.93V, 3.08V, 3.63V, 4.38V
• Reset Timeout Period: 140ms (typical)
• Quiescent Current: 1µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6425UK16+TG103 IC has a SOT23-5 package with the following pin configuration:

1. GND: Ground connection
2. RESET: Active-low reset output
3. MR: Manual reset input
4. VCC: Positive supply voltage
5. TH: Threshold voltage selection input

Functional Features

• Accurate voltage monitoring: The MAX6425UK16+TG103 provides precise monitoring of the supply voltage, ensuring reliable operation of microcontrollers and digital systems.
• Reset generation: It generates an active-low reset signal when the monitored voltage falls below the threshold voltage, allowing proper system initialization.
• Manual reset capability: The MR pin allows for manual reset initiation, providing flexibility in system control.
• Low-power operation: With a quiescent current of only 1µA, it minimizes power consumption, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - Precise voltage monitoring ensures system reliability. - Low-power operation extends battery life. - Manual reset capability provides flexibility in system control.

Disadvantages: - Limited threshold voltage options may not suit all applications. - SOT23-5 package may require additional space on the PCB.

Working Principles

The MAX6425UK16+TG103 operates by comparing the supply voltage with the selected threshold voltage. When the supply voltage drops below the threshold, the reset output becomes active-low, signaling a system reset. The manual reset input allows for an external trigger to initiate a reset. The IC's low-power design ensures minimal power consumption during operation.

Detailed Application Field Plans

The MAX6425UK16+TG103 is commonly used in various applications, including:

1. Microcontroller Systems: Provides reliable voltage monitoring and reset generation for microcontrollers, ensuring proper initialization and preventing data corruption.
2. Embedded Systems: Ensures stable operation of embedded systems by monitoring the supply voltage and initiating resets when necessary.
3. Battery-Powered Devices: Maximizes battery life by consuming minimal power while accurately monitoring the voltage level.
4. Industrial Control Systems: Enhances the reliability of industrial control systems by monitoring the power supply and initiating resets in case of voltage fluctuations or failures.

Detailed and Complete Alternative Models

1. MAX6426UK26+TG104: Similar to MAX6425UK16+TG103 but with different threshold voltage options (2.6V, 2.8V, 3.0V, 3.1V).
2. MAX6427UK29+TG105: Offers extended threshold voltage options (2.9V, 3.0V, 3.1V, 3.2V) for specific application requirements.
3. MAX6428UK31+TG106: Provides higher threshold voltage options (3.1V, 3.2V, 3.3V, 3.4V) suitable for systems with higher voltage tolerances.

These alternative models offer similar functionality to the MAX6425UK16+TG103 but with different threshold voltage options, allowing for greater flexibility in voltage monitoring and reset generation.