MAX6385XS24D5-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 based on the threshold set by the user.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: Adjustable from 1.22V to 5.0V in 100mV steps
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 3µA (typical)
• Output Type: Active-Low Open-Drain
• Accuracy: ±1.5% (typical)

Pin Configuration

The MAX6385XS24D5-T has a total of 5 pins:

1. GND: Ground connection
2. VCC: Positive supply voltage input
3. TH: Threshold voltage adjustment pin
4. RESET: Active-low open-drain reset output
5. MR: Manual reset input

Functional Features

• Monitors the input voltage and compares it with the threshold voltage set by the user.
• Provides a digital output signal on the RESET pin when the input voltage falls below the threshold.
• The threshold voltage can be adjusted using an external resistor connected to the TH pin.
• Includes a manual reset input (MR) for immediate system reset.

Advantages and Disadvantages

Advantages

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

Disadvantages

• Accuracy may vary depending on operating conditions.
• Limited number of threshold voltage options (100mV steps).

Working Principles

The MAX6385XS24D5-T operates by comparing the input voltage with the threshold voltage set by the user. When the input voltage falls below the threshold, the RESET pin is pulled low, indicating a voltage fault or power loss. The threshold voltage can be adjusted using an external resistor connected to the TH pin. The manual reset input (MR) allows for immediate system reset when triggered.

Detailed Application Field Plans

The MAX6385XS24D5-T finds applications in various fields, including:

1. Battery-Powered Devices: Monitoring battery voltage to prevent over-discharge and ensure safe operation.
2. Power Supply Units: Detecting power failures or abnormal voltage levels to trigger appropriate actions.
3. Industrial Control Systems: Providing voltage monitoring for critical components and systems.
4. Automotive Electronics: Monitoring voltage levels in automotive systems to ensure proper functioning.
5. Home Automation: Voltage monitoring for smart home devices and systems.

Detailed and Complete Alternative Models

1. MAX6384XS24D5-T: Similar to MAX6385XS24D5-T but with fixed threshold voltage options.
2. MAX6386XS24D5-T: Higher accuracy version with ±1% threshold voltage accuracy.
3. MAX6387XS24D5-T: Adjustable threshold voltage with additional hysteresis for noise immunity.

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