MAX6385XS20D2-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor
• Characteristics: Low-power, precision voltage monitoring
• Package: SOT23-5
• Essence: Monitors the voltage level of a power supply and provides an output signal when it falls below or exceeds a certain threshold.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 6V
• Threshold Voltage Options: 2.048V, 2.5V, 3.0V, 3.3V, 4.096V, 5.0V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1µA (typical)
• Output Type: Active-Low, Open-Drain
• Accuracy: ±1.5% (max)

Detailed Pin Configuration

The MAX6385XS20D2-T has a total of five pins:

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

Functional Features

• Voltage Monitoring: The MAX6385XS20D2-T continuously monitors the input voltage and compares it with the selected threshold voltage.
• Reset Output: When the input voltage falls below the threshold voltage, the active-low reset output is asserted, indicating a power failure or low voltage condition.
• Manual Reset: The manual reset input allows for external control of the reset function.
• Precision Monitoring: The device offers high accuracy in voltage monitoring, ensuring reliable operation.

Advantages and Disadvantages

Advantages: - Low quiescent current enables power-efficient operation. - Wide supply voltage range allows for versatile applications. - Small package size (SOT23-5) facilitates space-constrained designs. - Accurate voltage monitoring ensures system reliability.

Disadvantages: - Limited threshold voltage options may not cover all application requirements. - Active-low reset output may require additional circuitry for certain applications.

Working Principles

The MAX6385XS20D2-T operates by comparing the input voltage with the selected threshold voltage. When the input voltage falls below the threshold, the active-low reset output is asserted, indicating a power failure or low voltage condition. The manual reset input provides external control over the reset function, allowing for system-specific requirements.

Detailed Application Field Plans

The MAX6385XS20D2-T finds applications in various fields, including but not limited to:

1. Battery-Powered Devices: Ensuring proper operation and preventing damage due to low battery voltage.
2. Industrial Control Systems: Monitoring power supply voltages to prevent malfunctions or data loss.
3. Automotive Electronics: Protecting sensitive components from voltage fluctuations and ensuring reliable operation.
4. Medical Equipment: Safeguarding critical systems by detecting power supply abnormalities.
5. Consumer Electronics: Enhancing the overall user experience by providing accurate voltage monitoring.

Detailed and Complete Alternative Models

1. MAX6386XS20D2-T: Similar to MAX6385XS20D2-T, but with different threshold voltage options.
2. MAX6387XS20D2-T: Offers additional features such as adjustable hysteresis and watchdog timer functionality.
3. MAX6388XS20D2-T: Provides higher accuracy and extended temperature range compared to MAX6385XS20D2-T.

These alternative models offer flexibility in selecting the most suitable voltage monitor based on specific application requirements.

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