MAX6831VFUT+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, precision voltage monitoring
• Package: SOT-23-6
• Essence: Monitors the power supply voltage and generates a reset signal when the voltage falls below a specified threshold
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Options: 2.5V, 3.0V, 3.3V, 5.0V
• Reset Timeout Period: Adjustable or fixed options available
• Quiescent Current: 1.5µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6831VFUT+T has a total of six pins arranged as follows:

1. GND: Ground connection
2. MR: Manual Reset input pin
3. RESET: Active-low reset output
4. VCC: Positive power supply input
5. TH: Threshold selection pin
6. N.C.: No Connection

Functional Features

• Precision voltage monitoring: The MAX6831VFUT+T accurately monitors the power supply voltage and provides a reset signal when it drops below the specified threshold.
• Adjustable/reset timeout period: The reset timeout period can be adjusted using an external capacitor or set to a fixed value.
• Manual reset input: The MR pin allows for manual resetting of the device.
• Low-power operation: With a quiescent current of only 1.5µA, the MAX6831VFUT+T is designed for low-power applications.

Advantages and Disadvantages

Advantages: - High accuracy in voltage monitoring - Wide supply voltage range - Adjustable/reset timeout period for flexibility - Low quiescent current for power efficiency

Disadvantages: - Limited number of reset threshold options - No internal pull-up resistor on the MR pin

Working Principles

The MAX6831VFUT+T operates by continuously monitoring the power supply voltage. When the voltage falls below the specified threshold, the device generates an active-low reset signal. The reset signal remains active until the voltage rises above the threshold or a timeout period elapses.

Detailed Application Field Plans

The MAX6831VFUT+T is commonly used in various applications where precise voltage monitoring and reliable reset functionality are required. Some potential application fields include:

1. Microcontrollers: Ensuring proper system initialization and preventing data corruption during power-up or voltage fluctuations.
2. Industrial Control Systems: Providing reliable reset signals to critical components in industrial automation systems.
3. Battery-Powered Devices: Monitoring battery voltage and initiating a reset when the battery level drops below a certain threshold.
4. Embedded Systems: Safeguarding the integrity of embedded systems by resetting them in case of power supply issues.

Detailed and Complete Alternative Models

1. MAX6830VFUT+T: Similar to MAX6831VFUT+T but with fixed reset threshold options.
2. MAX6832VFUT+T: Offers additional features such as adjustable reset timeout period and watchdog timer functionality.
3. MAX6833VFUT+T: Provides multiple reset outputs and adjustable reset threshold options.

These alternative models offer similar functionality to the MAX6831VFUT+T but may have different specifications or additional features to suit specific application requirements.

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