MAX6731AUTSD3+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor
• Characteristics: Low-power, high-accuracy voltage monitoring
• Package: SOT23-6
• Essence: Monitors the voltage level of a power supply or battery
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 1.575V, 2.048V, 2.5V, 3.075V, 4.095V
• Accuracy: ±1.5%
• Quiescent Current: 3µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6731AUTSD3+T has a total of six pins arranged as follows:

```

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| | --| VDD GND |-- Pin 1: Ground (GND) --| RESET OUT |-- Pin 2: Reset Output (RESET OUT) --| RESET |-- Pin 3: Reset Input (RESET) --| THRES |-- Pin 4: Threshold Voltage Selection (THRES) --| MR/ |-- Pin 5: Manual Reset/Input Voltage Monitoring (MR/VIN) --| VDD |-- Pin 6: Positive Power Supply (VDD) |___________| ```

Functional Features

• Monitors the voltage level of a power supply or battery
• Provides a reset output signal when the voltage falls below a set threshold
• Offers manual reset capability for system initialization
• Low quiescent current consumption for power-sensitive applications
• Wide operating temperature range for versatile usage scenarios

Advantages and Disadvantages

Advantages: - High accuracy voltage monitoring - Low power consumption - Wide supply voltage range - Manual reset capability - Small package size

Disadvantages: - Limited threshold voltage options - Not suitable for high-voltage applications

Working Principles

The MAX6731AUTSD3+T is a voltage monitor IC that continuously monitors the voltage level of a power supply or battery. It compares the input voltage with a set threshold voltage and generates a reset output signal when the voltage falls below the threshold. The device also provides a manual reset input for system initialization.

The IC operates with low quiescent current, making it suitable for power-sensitive applications. It has a wide supply voltage range and can operate in extreme temperature conditions.

Detailed Application Field Plans

The MAX6731AUTSD3+T finds applications in various fields, including:

1. Battery-powered devices: Monitors battery voltage to prevent over-discharge and ensure safe operation.
2. Power supply units: Protects sensitive electronic components by providing a reset signal when the supply voltage drops below a certain level.
3. Industrial control systems: Ensures reliable operation by monitoring power supply voltages and initiating system resets if necessary.
4. Automotive electronics: Guards against voltage fluctuations and ensures stable operation of critical systems.

Detailed and Complete Alternative Models

1. MAX6730AUTSD3+T: Similar to MAX6731AUTSD3+T but with different threshold voltage options.
2. MAX6732AUTSD3+T: Higher accuracy version with ±1% voltage threshold accuracy.
3. MAX6733AUTSD3+T: Offers additional features like adjustable hysteresis and watchdog timer functionality.

These alternative models provide similar voltage monitoring capabilities with slight variations in specifications and features.

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