MAX6413UK31+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics: Low-power, precision voltage monitoring, reset output
• Package: SOT23-5
• Essence: Monitors the voltage level of a power supply and generates a reset signal when the voltage falls below a certain threshold.
• 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, 3.30V, 4.38V
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6413UK31+T has a total of five pins:

1. GND: Ground connection
2. MR: Manual Reset Input
3. VCC: Supply Voltage Input
4. RESET: Reset Output
5. TH: Threshold Voltage Selection Input

Functional Features

• Monitors the voltage level of a power supply in real-time.
• Generates a reset signal when the voltage falls below the selected threshold.
• Provides a manual reset input for immediate system reset.
• Low-power consumption for energy-efficient applications.
• Precision voltage monitoring ensures accurate detection.

Advantages

• Compact SOT23-5 package allows for space-saving integration.
• Wide supply voltage range enables compatibility with various systems.
• Multiple threshold voltage options provide flexibility for different applications.
• Reset timeout period prevents false resets due to temporary voltage fluctuations.
• Reliable and robust performance in harsh operating conditions.

Disadvantages

• Limited number of threshold voltage options may not suit all voltage monitoring requirements.
• Manual reset input may require additional external components for proper functionality in some applications.

Working Principles

The MAX6413UK31+T operates by continuously monitoring the supply voltage connected to the VCC pin. The threshold voltage is set using the TH pin, which determines the voltage level at which the reset output is triggered. When the supply voltage falls below the selected threshold, the reset output goes low, indicating a power failure or voltage drop. The reset output remains low until the supply voltage rises above the threshold and the reset timeout period elapses.

Detailed Application Field Plans

The MAX6413UK31+T finds applications in various fields, including:

1. Battery-Powered Devices: Ensures proper shutdown and system reset when battery voltage drops below a critical level.
2. Industrial Control Systems: Monitors power supply integrity to prevent data loss or equipment malfunction during voltage fluctuations.
3. Automotive Electronics: Provides reliable reset signals for microcontrollers and other critical components in automotive systems.
4. Home Automation: Enables safe and controlled operation of smart home devices during power outages or voltage disturbances.

Detailed and Complete Alternative Models

1. MAX6412UK31+T: Similar to MAX6413UK31+T but with different threshold voltage options.
2. MAX6414UK31+T: Higher voltage range and additional features such as watchdog timer and power-fail comparator.

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