MAX6385XS17D2-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 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 0.4V to 5V 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)

Detailed Pin Configuration

The MAX6385XS17D2-T has a total of six pins arranged as follows:

```

---

| | --| VDD GND |-- Pin 1: Ground (GND) --| RESET OUT |-- Pin 2: Reset Output (Active-Low Open-Drain) --| THRESHOLD |-- Pin 3: Threshold Voltage Input --| MR |-- Pin 4: Manual Reset Input --| RESET IN |-- Pin 5: Reset Input --| VDD |-- Pin 6: Power Supply (VDD) |___________| ```

Functional Features

• Monitors the input voltage and compares it with the user-defined threshold voltage.
• Provides a reset signal when the input voltage falls below the threshold.
• The threshold voltage can be adjusted using an external resistor divider network.
• Offers a manual reset option for immediate system reset.
• Low quiescent current makes it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows compatibility with various systems.
• Adjustable threshold voltage provides flexibility in monitoring different voltage levels.
• Low-power consumption extends battery life in portable devices.
• Small SOT23-6 package saves board space.

Disadvantages

• Accuracy may vary under extreme temperature conditions.
• Limited number of threshold voltage options (100mV steps).

Working Principles

The MAX6385XS17D2-T is a voltage monitor IC that operates by comparing the input voltage with a user-defined threshold voltage. When the input voltage falls below the threshold, the reset output becomes active-low, indicating a system reset condition. The threshold voltage can be adjusted using an external resistor divider network connected to the threshold pin. Additionally, a manual reset input allows for an immediate system reset when triggered.

Detailed Application Field Plans

The MAX6385XS17D2-T finds applications in various fields where voltage monitoring is crucial. Some potential application areas include:

1. Battery-Powered Devices: Used to monitor battery voltage and initiate a shutdown or warning when the voltage drops below a critical level.
2. Power Supply Systems: Ensures stable operation by detecting undervoltage conditions and triggering appropriate actions.
3. Industrial Control Systems: Monitors voltage levels in control circuits to prevent malfunctions and ensure reliable operation.
4. Automotive Electronics: Protects sensitive electronic components by monitoring voltage levels and initiating corrective measures if necessary.

Detailed and Complete Alternative Models

1. MAX6384XS17D2-T: Similar to MAX6385XS17D2-T but with a fixed threshold voltage of 1.7V.
2. MAX6386XS17D2-T: Offers adjustable threshold voltage with finer resolution (50mV steps) compared to MAX6385XS17D2-T.
3. MAX6385XS18D2-T: Similar to MAX6385XS17D2-T but with a higher threshold voltage of 1.8V.

These alternative models provide options for different threshold voltage requirements and can be considered based on specific application needs.

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