MAX6314US27D3+T

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics: Low-power, precision voltage monitoring, manual reset input, watchdog timer, power-on reset delay, push-pull active-low reset output
• Package: SOT-23-3
• Essence: The MAX6314US27D3+T is a voltage monitor and reset circuit designed to monitor the power supply voltage of a microcontroller or other digital system. It ensures proper operation by generating a reset signal when the voltage falls below a specified threshold.
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.7V
• Manual Reset Input Voltage: VCC - 0.4V
• Watchdog Timer Timeout Period: 1.6s (typical)
• Power-On Reset Delay: 100ms (typical)
• Active-Low Reset Output: Push-Pull

Detailed Pin Configuration

The MAX6314US27D3+T has three pins in the SOT-23-3 package: 1. GND: Ground connection 2. MR: Manual reset input pin 3. RESET: Active-low reset output pin

Functional Features

• Voltage Monitoring: Monitors the supply voltage and generates a reset signal when it falls below the threshold voltage.
• Manual Reset Input: Allows for an external reset signal to be applied, overriding the voltage monitoring function.
• Watchdog Timer: Provides a timeout period after which a reset signal is generated if the microcontroller fails to toggle a specific pin.
• Power-On Reset Delay: Delays the generation of the reset signal after power is applied, allowing the system to stabilize.
• Active-Low Reset Output: Provides a push-pull active-low reset signal to the microcontroller or digital system.

Advantages and Disadvantages

Advantages: - Low-power operation - Precision voltage monitoring - Manual reset input for flexibility - Watchdog timer for enhanced system reliability - Power-on reset delay for stable operation during power-up

Disadvantages: - Limited threshold voltage options - SOT-23-3 package may not be suitable for all applications

Working Principles

The MAX6314US27D3+T operates by continuously monitoring the supply voltage using an internal voltage reference. When the voltage falls below the threshold voltage, it triggers the generation of a reset signal. The manual reset input allows for an external reset signal to override the voltage monitoring function. The watchdog timer ensures that the microcontroller is functioning properly by requiring it to toggle a specific pin within a specified timeout period. If the microcontroller fails to do so, a reset signal is generated. The power-on reset delay ensures that the reset signal is not immediately generated upon power-up, allowing the system to stabilize.

Detailed Application Field Plans

The MAX6314US27D3+T is commonly used in various applications where voltage monitoring and reset functionality are required. Some potential application fields include: 1. Microcontrollers and Digital Systems: Ensuring proper operation and preventing data corruption in microcontroller-based systems. 2. Industrial Control Systems: Providing reliable reset functionality in industrial automation and control systems. 3. Automotive Electronics: Monitoring and resetting critical components in automotive electronic systems. 4. Battery-Powered Devices: Protecting battery-powered devices from improper operation due to low voltage conditions. 5. IoT Devices: Enhancing the reliability of Internet of Things (IoT) devices by monitoring and resetting the system when necessary.

Detailed and Complete Alternative Models

1. MAX6316MUK46AY+T: Similar voltage monitor and reset circuit with a different threshold voltage option (4.6V).
2. MAX6318LHUK46CY+T: Voltage monitor and reset circuit with a higher supply voltage range (1.6V to 5.5V) and a different threshold voltage option (4.6V).
3. MAX6319MUK29BY+T: Voltage monitor and reset circuit with a lower threshold voltage option (2.9V) and a different package (SOT-23-5).

(Note: The above alternative models are provided for reference and may have different specifications and features. It is recommended to consult the respective datasheets for detailed information.)

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