MAX6314US26D4+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 operation of microcontrollers, microprocessors, and other digital systems.
• Package: SOT-143-4
• Essence: Voltage monitoring and reset functionality in a compact package.
• Packaging/Quantity: Tape and Reel, 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.63V, 2.93V, 3.08V, 3.63V, 4.38V, 4.63V
• Reset Timeout Period: Adjustable or Fixed (140ms, 280ms, 560ms, 1120ms)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX6314US26D4+T IC has the following pin configuration:

```

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

• VCC: Power supply input pin.
• GND: Ground reference pin.
• RESET: Output pin for the reset signal.
• MR: Manual reset input pin.

Functional Features

• Voltage Monitoring: The MAX6314US26D4+T continuously monitors the supply voltage and compares it with the preset threshold voltage.
• Reset Signal Generation: When the supply voltage falls below the threshold, the IC generates a reset signal on the RESET pin.
• Manual Reset: The MR pin allows for manual resetting of the device.
• Adjustable Timeout Period: The reset timeout period can be adjusted using external components or set to a fixed value.

Advantages and Disadvantages

Advantages: - Compact package size allows for space-saving designs. - Wide supply voltage range enables compatibility with various systems. - Adjustable reset timeout period provides flexibility in system requirements.

Disadvantages: - Limited threshold voltage options may not cover all voltage monitoring needs. - Lack of built-in hysteresis may result in potential noise-related issues.

Working Principles

The MAX6314US26D4+T operates by continuously monitoring the supply voltage through an internal voltage divider network. When the voltage falls below the preset threshold, the IC generates a reset signal on the RESET pin. The reset signal remains active until the supply voltage rises above the threshold or a manual reset is triggered via the MR pin. The timeout period determines how long the reset signal remains active after the voltage returns to normal.

Detailed Application Field Plans

The MAX6314US26D4+T finds applications in various fields, including:

1. Microcontroller Systems: Ensures proper initialization and reliable operation of microcontrollers by providing a reset signal during power-up or voltage drops.
2. Embedded Systems: Protects digital systems from erratic behavior caused by voltage fluctuations or power supply issues.
3. Industrial Control Systems: Monitors power supply integrity in industrial control systems to prevent data corruption or system failures.
4. Automotive Electronics: Provides voltage monitoring and reset functionality in automotive electronic systems, ensuring stable operation and preventing malfunctions.

Detailed and Complete Alternative Models

1. MAX6315US26D4+T: Similar to MAX6314US26D4+T but with additional features such as adjustable reset threshold and watchdog timer functionality.
2. MAX6316US26D4+T: Offers higher precision voltage monitoring and reset capabilities with a wider range of threshold voltage options.
3. MAX6317US26D4+T: Provides enhanced noise immunity and hysteresis for improved performance in noisy environments.

(Note: The above alternative models are just examples and not an exhaustive list.)

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