MAX6385XS31D5-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 & Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 6.0V
• Threshold Voltage Options: 2.93V, 3.08V, 3.13V, 3.30V, 3.47V, 3.63V, 3.78V, 4.00V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1µA (typical)
• Output Type: Active-Low Open-Drain
• Accuracy: ±1.5% (typical)

Pin Configuration

The MAX6385XS31D5-T has a total of 5 pins:

1. GND: Ground connection
2. VCC: Supply voltage input
3. TH: Threshold voltage selection pin
4. RESET: Active-low reset output
5. MR: Manual reset input

Functional Features

• Monitors the voltage level at the TH pin and compares it with the selected threshold voltage.
• When the voltage at the TH pin drops below the threshold, the RESET pin is pulled low, indicating a reset condition.
• The MR pin can be used to manually force a reset condition.

Advantages and Disadvantages

Advantages

• Low quiescent current makes it suitable for battery-powered applications.
• Wide supply voltage range allows for flexibility in different power supply configurations.
• Adjustable threshold voltage provides customization options for different voltage monitoring requirements.

Disadvantages

• Limited number of threshold voltage options may not cover all possible voltage monitoring scenarios.
• Active-low open-drain output may require additional circuitry for certain applications.

Working Principles

The MAX6385XS31D5-T operates by comparing the voltage at the TH pin with the selected threshold voltage. When the voltage at the TH pin drops below the threshold, the RESET pin is pulled low, indicating a reset condition. The MR pin can be used to manually force a reset condition.

Detailed Application Field Plans

The MAX6385XS31D5-T is commonly used in various applications where voltage monitoring is critical. Some potential application fields include:

1. Battery-powered devices: Ensuring proper operation and preventing damage due to low battery voltage.
2. Power management systems: Monitoring power supply voltages to protect sensitive components.
3. Industrial control systems: Detecting abnormal voltage levels to trigger appropriate actions or alarms.
4. Automotive electronics: Monitoring vehicle battery voltage to prevent unexpected shutdowns.

Detailed and Complete Alternative Models

1. MAX6386XS31D5-T: Similar to MAX6385XS31D5-T but with additional features such as adjustable hysteresis.
2. MAX6384XS31D5-T: Lower accuracy version with ±3% accuracy but lower cost.
3. MAX6387XS31D5-T: Higher accuracy version with ±0.5% accuracy but higher cost.

(Note: This list is not exhaustive and there may be other alternative models available in the market.)

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