MAX6731AUTLD1+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor
• Characteristics: Low-power, precision voltage monitoring
• Package: SOT-23-6
• Essence: Monitors the voltage level and provides a digital output when it falls below a certain threshold
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.5V, 3.0V, 3.3V, 4.0V, 4.5V
• Operating Temperature Range: -40°C to +125°C
• Quiescent Current: 1µA (typical)
• Output Type: Active-Low Open-Drain
• Accuracy: ±1.5% (typical)

Pin Configuration

The MAX6731AUTLD1+T has a total of 6 pins arranged as follows:

```

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| | --| VDD GND |-- Pin 1: Ground (GND) --| OUT RST |-- Pin 2: Reset Output (Active-Low Open-Drain) --| TH VDD |-- Pin 3: Threshold Input (Voltage Reference) |___________| ```

Functional Features

• Monitors the supply voltage and generates a reset signal when it falls below the programmed threshold voltage.
• The reset output is active-low open-drain, allowing easy interfacing with other devices.
• Low quiescent current makes it suitable for battery-powered applications.
• Wide operating temperature range enables usage in various environments.

Advantages and Disadvantages

Advantages: - Precise voltage monitoring with selectable threshold options. - Low power consumption. - Small package size for space-constrained designs. - Wide operating temperature range.

Disadvantages: - Limited threshold voltage options available. - Active-low open-drain output may require additional circuitry for certain applications.

Working Principles

The MAX6731AUTLD1+T operates by comparing the supply voltage with the programmed threshold voltage. When the supply voltage drops below the threshold, the reset output is activated, indicating a low-voltage condition. The active-low open-drain output allows easy integration with other devices in the system. The low quiescent current ensures minimal power consumption during normal operation.

Detailed Application Field Plans

The MAX6731AUTLD1+T finds applications in various fields where precise voltage monitoring is required. Some potential application areas include:

1. Battery-Powered Devices: Ensuring proper battery voltage levels to prevent damage or data loss.
2. Industrial Control Systems: Monitoring power supply voltages to prevent equipment malfunction.
3. Automotive Electronics: Detecting low voltage conditions to protect sensitive components.
4. Medical Equipment: Voltage monitoring for patient safety and device reliability.
5. Consumer Electronics: Preventing damage to electronic devices due to low battery voltage.

Detailed and Complete Alternative Models

1. MAX6730AUTLD1+T: Similar to MAX6731AUTLD1+T but with different threshold voltage options.
2. MAX6732AUTLD1+T: Higher accuracy version of MAX6731AUTLD1+T with tighter voltage thresholds.
3. MAX6733AUTLD1+T: Extended temperature range variant of MAX6731AUTLD1+T for harsh environments.

These alternative models offer similar functionality but cater to specific requirements based on voltage thresholds, accuracy, and operating conditions.

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