MAX6314US30D1+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics:
  • Monitors the voltage level of a power supply and generates a reset signal when the voltage falls below a certain threshold.
  • Provides a reliable way to ensure proper system initialization and operation.
  • Helps prevent data corruption and system malfunctions caused by unstable power supply conditions.
• Package: SOT23-6
• Essence: Voltage monitoring and reset functionality in a compact package.
• Packaging/Quantity: Tape and Reel, 3000 units per reel.

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Threshold Voltage Options: 3.0V, 3.08V, 3.3V, 3.63V, 4.38V, 4.63V
• Reset Timeout Period: Adjustable from 1ms to 1600ms
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX6314US30D1+T IC has the following pin configuration:

```

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| | --| VCC | --| GND | --| MR | --| RESET | --| RESET_OUT | |___________| ```

• VCC: Power supply input pin.
• GND: Ground reference pin.
• MR: Manual reset input pin.
• RESET: Active-low reset output pin.
• RESET_OUT: Open-drain reset output pin.

Functional Features

• Voltage Monitoring: The MAX6314US30D1+T monitors the voltage level at the VCC pin and compares it with the selected threshold voltage.
• Reset Generation: When the voltage falls below the threshold, the IC generates a reset signal on the RESET and RESET_OUT pins.
• Adjustable Timeout Period: The reset signal remains active for a programmable timeout period, allowing sufficient time for the power supply to stabilize before system initialization.
• Manual Reset: The MR pin allows for manual resetting of the circuit.

Advantages and Disadvantages

Advantages: - Compact package size enables space-saving designs. - Wide supply voltage range allows compatibility with various systems. - Adjustable timeout period provides flexibility in different applications. - Manual reset option adds versatility to the circuit's functionality.

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

Working Principles

The MAX6314US30D1+T operates by continuously monitoring the voltage level at the VCC pin. When the voltage falls below the selected threshold voltage, the IC generates an active-low reset signal on the RESET and RESET_OUT pins. This reset signal remains active for a programmable timeout period, allowing the power supply to stabilize before system initialization. The MR pin can be used to manually reset the circuit if required.

Application Field Plans

The MAX6314US30D1+T is commonly used in various electronic systems where reliable voltage monitoring and reset functionality are crucial. Some application field plans include:

1. Microcontrollers and Microprocessors: Ensuring proper initialization and preventing data corruption in embedded systems.
2. Communication Systems: Maintaining stable operation and preventing system malfunctions caused by power supply fluctuations.
3. Industrial Control Systems: Providing reliable reset functionality for critical control circuits.
4. Automotive Electronics: Monitoring and resetting microcontrollers and other components during power supply variations.
5. Medical Devices: Ensuring safe and reliable operation of medical equipment by monitoring power supply conditions.

Alternative Models

• MAX6316MUK46AY+T
• MAX6318LHUK46CY+T
• MAX6319LHUK46CY+T
• MAX6320PUK46CY+T

These alternative models offer similar voltage monitoring and reset circuit functionality, but with different package options, threshold voltage ranges, and additional features.

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