MAX6381XR46D2-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor
• Characteristics: Low-power, Precision, Adjustable Threshold
• Package: SOT23-6
• 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: 1.8V to 5.5V
• Threshold Voltage Options: 4.6V (other options available)
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 3µA (typical)
• Output Type: Active-Low Open-Drain
• Accuracy: ±1.5% (typical)

Detailed Pin Configuration

The MAX6381XR46D2-T has a total of six pins arranged as follows:

____ VCC | | GND | | OUT | | GND | | TRG | | RESET |____|

• VCC: Power supply input
• GND: Ground connection
• OUT: Digital output indicating voltage status
• TRG: Threshold voltage selection pin
• RESET: Reset input for clearing the output latch

Functional Features

• Monitors the input voltage and compares it with the threshold voltage set by the TRG pin.
• When the input voltage exceeds the threshold, the output goes low, indicating an overvoltage condition.
• The output remains low until the RESET pin is triggered or the input voltage drops below the threshold.

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows compatibility with various systems.
• Low quiescent current minimizes power consumption.
• Adjustable threshold voltage provides flexibility for different applications.
• Active-low open-drain output simplifies interfacing with other devices.

Disadvantages

• Limited threshold voltage options may not suit all voltage monitoring requirements.
• SOT23-6 package may be challenging to solder for some users.

Working Principles

The MAX6381XR46D2-T operates by comparing the input voltage with the threshold voltage set by the TRG pin. When the input voltage exceeds the threshold, the output goes low, indicating an overvoltage condition. The output remains low until the RESET pin is triggered or the input voltage drops below the threshold.

Detailed Application Field Plans

The MAX6381XR46D2-T finds applications in various fields where voltage monitoring is critical. Some potential application areas include:

1. Power supply units: Monitoring the output voltage of power supplies to ensure it stays within safe limits.
2. Battery management systems: Detecting overvoltage conditions in battery packs to prevent damage.
3. Industrial automation: Monitoring voltage levels in control circuits to ensure proper operation.
4. Automotive electronics: Voltage monitoring in automotive systems to protect sensitive components.

Detailed and Complete Alternative Models

1. MAX6381XR46D3-T: Threshold voltage option of 4.7V
2. MAX6381XR46D4-T: Threshold voltage option of 4.8V
3. MAX6381XR46D5-T: Threshold voltage option of 4.9V
4. MAX6381XR46D6-T: Threshold voltage option of 5.0V

These alternative models offer different threshold voltage options to cater to specific voltage monitoring requirements.

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