MAX825REUK+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, precision voltage monitoring
• Package: SOT-23-5
• Essence: Ensures proper system operation by monitoring the power supply voltage
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 6.0V
• Threshold Voltage Options: 2.5V, 3.0V, 3.3V, 3.6V
• Reset Timeout Period: 140ms (typical)
• Quiescent Current: 1µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX825REUK+T has a total of 5 pins arranged as follows:

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Pin Description: 1. GND: Ground connection 2. RESET: Active-low reset output 3. MR: Manual reset input 4. VCC: Positive power supply 5. RESET: Power-on reset output

Functional Features

• Monitors the power supply voltage and asserts a reset signal when it falls below the threshold voltage.
• Provides a manual reset input for external system reset control.
• Generates a power-on reset signal upon power-up to ensure proper system initialization.

Advantages and Disadvantages

Advantages: - Low quiescent current enables power-efficient operation. - Wide supply voltage range allows compatibility with various systems. - Small package size facilitates space-constrained designs.

Disadvantages: - Limited threshold voltage options may not suit all applications. - Lack of adjustable reset timeout period may restrict customization.

Working Principles

The MAX825REUK+T is a voltage supervisor IC that continuously monitors the power supply voltage. When the voltage drops below the programmed threshold, it asserts a reset signal to ensure proper system operation. It also generates a power-on reset signal during power-up to initialize the system.

Detailed Application Field Plans

The MAX825REUK+T finds applications in various fields where reliable voltage monitoring and system reset functionality are crucial. Some potential application areas include:

1. Microcontrollers: Ensures stable operation by monitoring the power supply voltage and initiating a reset if necessary.
2. Embedded Systems: Provides a reliable reset mechanism to prevent system malfunctions due to voltage fluctuations.
3. Industrial Control Systems: Monitors the power supply voltage to maintain uninterrupted operation of critical control systems.
4. Battery-Powered Devices: Protects against undervoltage conditions, preventing damage to sensitive electronics.

Detailed and Complete Alternative Models

1. MAX823REUK+T: Similar to MAX825REUK+T but with a different reset timeout period.
2. MAX826REUK+T: Voltage supervisor IC with adjustable threshold voltage options.
3. MAX828REUK+T: Enhanced version with additional features such as watchdog timer and power-fail detection.

Note: This is not an exhaustive list, and there may be other alternative models available from different manufacturers.

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