MAX6313UK50D1-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor
• Characteristics: Low-power, Precision, Reset Output
• Package: SOT23-5
• Essence: Monitors voltage levels and provides a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.8V to 5.5V
• Threshold Voltage Options: 2.93V, 3.08V, 3.30V, 4.38V, 4.63V, 4.75V
• Reset Timeout Period: Adjustable or Fixed (140ms, 280ms, 560ms, 1120ms, 2240ms)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6313UK50D1-T has a total of 5 pins:

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 pin

Functional Features

• Monitors the supply voltage and generates a reset signal when it drops below the selected threshold voltage.
• Provides an active-low reset output that remains low until the supply voltage rises above the threshold voltage for a specified timeout period.
• Offers both fixed and adjustable reset timeout options to suit different application requirements.
• Low-power consumption makes it suitable for battery-powered devices.
• Precision voltage monitoring ensures accurate detection of voltage variations.

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows compatibility with various systems.
• Multiple threshold voltage options provide flexibility in voltage monitoring.
• Adjustable reset timeout period allows customization based on application needs.
• Low-power consumption extends battery life in portable devices.
• Small SOT23-5 package offers space-saving and easy integration.

Disadvantages

• Limited number of threshold voltage options may not cover all voltage monitoring scenarios.
• Lack of built-in hysteresis may result in oscillations near the threshold voltage.
• Manual reset input (MR) may require additional external components for proper functionality.

Working Principles

The MAX6313UK50D1-T operates by continuously monitoring the supply voltage connected to the VCC pin. It compares the voltage level with the selected threshold voltage set using the TH pin. When the supply voltage drops below the threshold, the RESET pin is pulled low, indicating a reset condition. The reset output remains low until the supply voltage rises above the threshold voltage for the specified timeout period. The manual reset input (MR) can be used to force an immediate reset regardless of the voltage level.

Detailed Application Field Plans

The MAX6313UK50D1-T is commonly used in various applications where reliable voltage monitoring and reset functionality are required. Some potential application fields include:

1. Microcontrollers: Ensuring proper system initialization and preventing erratic behavior during power-up or brownout conditions.
2. Industrial Control Systems: Monitoring critical voltages in control units to prevent malfunctions or damage.
3. Automotive Electronics: Providing reset signals to microcontrollers, sensors, or other components in automotive systems.
4. Battery-Powered Devices: Protecting sensitive circuitry from undervoltage conditions and ensuring safe operation.
5. Home Automation: Monitoring power supply voltages in smart home devices to maintain stable operation.

Detailed and Complete Alternative Models

1. MAX6314UK46D3-T: Similar to MAX6313UK50D1-T but with a different threshold voltage range (4.38V, 4.50V, 4.63V).
2. MAX6315UK29D3-T: Voltage monitor with a fixed threshold voltage of 2.93V and adjustable reset timeout options.
3. MAX6316UK31D3-T: Offers a fixed threshold voltage of 3.08V and adjustable reset timeout periods.

These alternative models provide similar functionality but with different threshold voltage options to cater to specific voltage monitoring requirements.

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