MAX6400BS25+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor
• Characteristics: Low-Power, Precision, Adjustable Threshold
• Package: SOT23-5
• Essence: Monitors voltage levels and provides a digital output when the voltage exceeds a set 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
• Quiescent Current: 1µA (typical)
• Operating Temperature Range: -40°C to +85°C
• Output Type: Active-Low Open-Drain
• Accuracy: ±1.5% (typical)

Pin Configuration

The MAX6400BS25+T has a SOT23-5 package with the following pin configuration:

```

---

| | --|VDD |-- Pin 1: Supply Voltage (VDD) --|GND |-- Pin 2: Ground (GND) --|TH |-- Pin 3: Threshold Voltage Selection --|OUT |-- Pin 4: Output --|NC |-- Pin 5: No Connection (NC) |____| ```

Functional Features

• Monitors supply voltage and compares it to the selected threshold voltage.
• Provides an active-low open-drain output when the voltage exceeds the threshold.
• Adjustable threshold voltage allows flexibility in monitoring different voltage levels.
• Low quiescent current ensures minimal power consumption.

Advantages and Disadvantages

Advantages: - Wide supply voltage range enables compatibility with various systems. - Adjustable threshold voltage provides versatility in voltage monitoring applications. - Low quiescent current minimizes power consumption, making it suitable for battery-powered devices. - Small SOT23-5 package allows for space-efficient integration into compact designs.

Disadvantages: - Limited threshold voltage options may not cover all desired voltage levels. - Accuracy of ±1.5% may not be sufficient for highly precise applications.

Working Principles

The MAX6400BS25+T operates by comparing the supply voltage (VDD) to the selected threshold voltage (TH). When VDD exceeds TH, the output (OUT) is pulled low, indicating an overvoltage condition. The active-low open-drain output allows easy interfacing with other digital circuits.

Detailed Application Field Plans

The MAX6400BS25+T finds application in various fields, including:

1. Battery-Powered Devices: Monitors battery voltage and triggers actions when it falls below a certain level.
2. Power Management Systems: Provides voltage monitoring for power supplies, ensuring stable operation and protection against overvoltage conditions.
3. Industrial Control Systems: Enables voltage monitoring in industrial equipment, triggering alarms or shutdowns in case of abnormal voltage levels.
4. Automotive Electronics: Used for voltage monitoring in automotive systems, such as battery management and engine control units.

Detailed and Complete Alternative Models

1. MAX6400BS25+T: 2.5V threshold voltage option, SOT23-5 package.
2. MAX6400BS30+T: 3.0V threshold voltage option, SOT23-5 package.
3. MAX6400BS33+T: 3.3V threshold voltage option, SOT23-5 package.
4. MAX6400BS40+T: 4.0V threshold voltage option, SOT23-5 package.
5. MAX6400BS45+T: 4.5V threshold voltage option, SOT23-5 package.

These alternative models provide different threshold voltage options while maintaining the same package and functionality as the MAX6400BS25+T.

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