MAX6313UK30D2-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
• Reset Timeout Period: Adjustable or Fixed (140ms, 280ms, 560ms, 1120ms)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6313UK30D2-T IC has a total of 5 pins:

1. VCC: Power supply input pin.
2. GND: Ground reference pin.
3. RESET#: Active-low reset output pin.
4. MR#: Manual reset input pin.
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 a manual reset option through the MR# pin.
• Offers adjustable or fixed reset timeout periods for flexibility in different applications.
• Low-power consumption makes it suitable for battery-powered devices.
• Precision voltage monitoring ensures accurate detection of voltage variations.

Advantages and Disadvantages

Advantages

• Compact SOT23-5 package allows for space-saving integration into small electronic devices.
• Wide supply voltage range enables compatibility with various power sources.
• Multiple threshold voltage options provide flexibility for different voltage level requirements.
• Adjustable or fixed reset timeout periods cater to different system response time needs.
• Low-power operation extends battery life in portable applications.

Disadvantages

• Limited number of threshold voltage options may not cover all specific voltage monitoring requirements.
• Lack of built-in hysteresis feature may result in potential oscillations near the threshold voltage.

Working Principles

The MAX6313UK30D2-T operates by continuously monitoring the supply voltage connected to the VCC pin. When the voltage falls below the selected threshold voltage, the RESET# pin is asserted low, indicating a reset condition. The reset signal remains active until the supply voltage rises above the threshold voltage and the reset timeout period elapses.

The MR# pin allows for manual resetting of the device, overriding the automatic reset function. By asserting a low signal on the MR# pin, the reset condition can be cleared even if the supply voltage is within the normal operating range.

Detailed Application Field Plans

The MAX6313UK30D2-T is commonly used in various electronic systems where reliable voltage monitoring and reset functionality are crucial. Some typical application fields include:

1. Microcontrollers: Ensuring proper initialization and safe operation by monitoring the power supply voltage and initiating a reset when necessary.
2. Industrial Control Systems: Providing fault detection and recovery capabilities by monitoring critical power supply voltages.
3. Automotive Electronics: Safeguarding sensitive components from voltage fluctuations and ensuring proper system startup.
4. Battery-Powered Devices: Extending battery life by initiating a reset when the supply voltage drops below a certain level, preventing unreliable operation.

Detailed and Complete Alternative Models

1. MAX6314UK46D3-T: Similar to MAX6313UK30D2-T but with a higher threshold voltage option (4.63V).
2. MAX6315UK29D2-T: Similar to MAX6313UK30D2-T but with a lower threshold voltage option (2.93V).
3. MAX6316UK31D3-T: Similar to MAX6313UK30D2-T but with a higher reset timeout period (310ms).

These alternative models offer similar functionality and characteristics, allowing users to choose the most suitable option based on their specific requirements.

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