MAX6385XS46D4-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics: Low-power, precision voltage monitoring, reset output
• Package: SOT23-4
• Essence: Monitors the voltage level of a power supply and generates a reset signal when the voltage falls below a specified threshold.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 6.0V
• Threshold Voltage Options: 4.63V
• Reset Timeout Period: 140ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6385XS46D4-T has four pins:

1. VCC: Power supply input pin
2. GND: Ground reference pin
3. RESET: Active-low reset output pin
4. MR: Manual reset input pin

Functional Features

• Monitors the voltage level of the power supply continuously
• Generates a reset signal when the voltage falls below the threshold
• Provides a manual reset option through the MR pin
• Low-power consumption for battery-powered applications
• Precision voltage monitoring ensures accurate reset timing

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows for versatile applications - Small package size enables space-saving designs - Low-power operation prolongs battery life - Accurate voltage monitoring ensures reliable system reset

Disadvantages: - Limited threshold voltage options may not suit all applications - Reset timeout period may not be adjustable for specific requirements

Working Principles

The MAX6385XS46D4-T operates by comparing the supply voltage with a fixed threshold voltage. When the supply voltage drops below the threshold, the reset output is activated, indicating a power failure. The reset output remains active until the supply voltage rises above the threshold and the reset timeout period elapses.

Detailed Application Field Plans

The MAX6385XS46D4-T finds applications in various fields, including:

1. Microcontrollers: Provides a reliable reset signal to ensure proper initialization of microcontroller-based systems.
2. Embedded Systems: Monitors power supply voltage to prevent data corruption or system malfunction during power fluctuations.
3. Industrial Control Systems: Ensures safe operation by resetting the system when the power supply falls below a critical level.
4. Automotive Electronics: Protects sensitive electronic components from voltage dips and spikes, enhancing overall system reliability.

Detailed and Complete Alternative Models

1. MAX6384XS46D4-T: Similar to MAX6385XS46D4-T but with a different threshold voltage option (4.6V).
2. MAX6386XS46D4-T: Similar to MAX6385XS46D4-T but with a longer reset timeout period (280ms).
3. MAX6385XS47D4-T: Similar to MAX6385XS46D4-T but with a higher threshold voltage option (4.7V).

These alternative models provide flexibility to meet specific voltage monitoring requirements in different applications.

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