MAX6313UK45D4-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor with Manual Reset
• Characteristics: Low-power, precision voltage monitoring, manual reset input, small package size
• Package: SOT23-5
• Essence: The MAX6313UK45D4-T is a voltage monitor IC designed to monitor the power supply voltage of electronic systems and provide a manual reset function.
• Packaging/Quantity: The MAX6313UK45D4-T is available in tape and reel packaging with 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 4.5V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 2µA (typical)

Detailed Pin Configuration

The MAX6313UK45D4-T has a total of five pins:

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

Functional Features

• Voltage Monitoring: The MAX6313UK45D4-T continuously monitors the power supply voltage and asserts the reset output when the voltage drops below the threshold.
• Manual Reset Input: The manual reset input (MR) allows the user to manually assert the reset output, regardless of the monitored voltage level.
• Adjustable Reset Timeout: The reset timeout period can be adjusted using an external capacitor connected to the CT pin, allowing flexibility in defining the duration of the reset signal.
• Low Quiescent Current: The MAX6313UK45D4-T has a low quiescent current of only 2µA, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - Precise voltage monitoring - Manual reset capability - Adjustable reset timeout period - Low power consumption

Disadvantages: - Limited threshold voltage options - Small package size may require careful handling during assembly

Working Principles

The MAX6313UK45D4-T operates by comparing the supply voltage with the internally set threshold voltage. When the supply voltage drops below the threshold, the reset output is asserted. The manual reset input allows the user to manually assert the reset output, overriding the voltage monitoring function. The reset timeout period can be adjusted using an external capacitor connected to the CT pin. The low quiescent current ensures minimal power consumption when the device is in operation.

Detailed Application Field Plans

The MAX6313UK45D4-T is commonly used in various electronic systems where reliable voltage monitoring and manual reset functionality are required. Some potential application fields include:

1. Microcontroller Systems: Ensuring proper system initialization and preventing erratic behavior due to voltage fluctuations.
2. Industrial Control Systems: Providing a reliable reset mechanism for critical control units to maintain system integrity.
3. Automotive Electronics: Monitoring the vehicle's power supply voltage and initiating a reset if necessary to prevent malfunctions.
4. Battery-Powered Devices: Protecting sensitive circuitry from undervoltage conditions and allowing manual reset for troubleshooting purposes.

Detailed and Complete Alternative Models

1. MAX6314UK46D3-T: Similar to MAX6313UK45D4-T but with a threshold voltage of 4.6V.
2. MAX6315UK47D2-T: Similar to MAX6313UK45D4-T but with a threshold voltage of 4.7V.
3. MAX6316UK48D1-T: Similar to MAX6313UK45D4-T but with a threshold voltage of 4.8V.

These alternative models provide flexibility in selecting the desired threshold voltage for specific application requirements.

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