MAX6313UK46D4-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 MAX6313UK46D4-T is a voltage monitor IC designed to monitor the power supply voltage of electronic systems and provide a manual reset function.
• Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 4.6V
• Reset Timeout Period: Adjustable from 1ms to 1600ms
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 2µA (typical)

Detailed Pin Configuration

The MAX6313UK46D4-T has a total of five pins:

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

Functional Features

• Voltage Monitoring: Monitors the power supply voltage and asserts the reset signal when the voltage drops below the threshold.
• Manual Reset Input: Allows for manual resetting of the system by asserting the MR pin.
• Adjustable Reset Timeout: The reset timeout period can be adjusted using an external capacitor connected to the TH pin.
• Low Quiescent Current: Consumes very low power during operation, making it suitable for battery-powered applications.
• Small Package Size: The SOT23-5 package offers a compact form factor, ideal for space-constrained designs.

Advantages and Disadvantages

Advantages: - Precise voltage monitoring ensures reliable system operation. - Manual reset input provides flexibility in system control. - Adjustable reset timeout allows customization based on application requirements. - Low quiescent current minimizes power consumption. - Small package size enables compact designs.

Disadvantages: - Limited threshold voltage options may not cater to all voltage monitoring needs. - Lack of built-in hysteresis may result in potential oscillations near the threshold voltage.

Working Principles

The MAX6313UK46D4-T operates by continuously monitoring the power supply voltage. When the voltage drops below the threshold set by the TH pin, the reset output is asserted low, indicating a power failure or an out-of-range condition. The reset signal remains active until the voltage rises above the threshold and the reset timeout period elapses. The manual reset input (MR) can be used to force an immediate reset regardless of the monitored voltage level.

Detailed Application Field Plans

The MAX6313UK46D4-T finds applications in various fields, including:

1. Embedded Systems: Provides voltage monitoring and reset functionality for microcontrollers, DSPs, and other embedded systems.
2. Industrial Control Systems: Ensures reliable operation of industrial control equipment by monitoring power supply voltages.
3. Automotive Electronics: Used in automotive applications to monitor battery voltage and initiate system resets if necessary.
4. Consumer Electronics: Enables safe shutdown or restart of electronic devices during power fluctuations or failures.
5. Telecommunications: Ensures continuous operation of telecom equipment by monitoring power supply voltages and initiating appropriate actions.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MAX6313UK46D4-T include:

1. MAX6314: Offers different threshold voltage options and additional features like watchdog timer and power-fail comparator.
2. MAX6381: Provides adjustable reset timeout period and multiple threshold voltage options.
3. MAX809: Simple voltage monitor IC with fixed threshold voltage and manual reset input.

These alternative models can be considered based on specific application requirements and desired features.

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