MAX6388XS44D1-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics: Low-power, precision voltage monitoring, reset output
• Package: 4-pin SC70 package
• Essence: Provides accurate monitoring of power supply voltages and generates a reset signal when the voltage falls below a specified threshold.
• Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.93V, 3.08V, 3.30V, 3.63V, 4.38V, 4.63V
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX6388XS44D1-T has the following pin configuration:

```

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| | --|----|-- VCC --|----|-- GND --|____|-- RESET ```

• VCC: Power supply input
• GND: Ground reference
• RESET: Active-low reset output

Functional Features

• Accurate voltage monitoring: The MAX6388XS44D1-T continuously monitors the power supply voltage and compares it to a user-defined threshold.
• Reset signal generation: When the monitored voltage falls below the threshold, the IC generates an active-low reset signal.
• Precision voltage threshold options: The device offers multiple threshold voltage options to suit different applications.
• Low-power operation: The IC operates at low power, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages: - Precise voltage monitoring ensures reliable system operation. - Multiple threshold voltage options provide flexibility for different applications. - Low-power operation extends battery life in portable devices.

Disadvantages: - Limited to a 4-pin package, which may not be suitable for all designs. - Reset timeout period is fixed and cannot be adjusted.

Working Principles

The MAX6388XS44D1-T operates by continuously monitoring the power supply voltage using an internal voltage reference. The monitored voltage is compared to the user-defined threshold voltage. When the voltage falls below the threshold, the IC generates an active-low reset signal. The reset signal remains active until the voltage rises above the threshold and the reset timeout period elapses.

Detailed Application Field Plans

The MAX6388XS44D1-T is commonly used in various applications where accurate voltage monitoring and reset functionality are required. Some typical application fields include:

1. Microcontrollers and microprocessors: Ensures reliable system startup and prevents erratic behavior during power fluctuations.
2. Industrial control systems: Provides a reset signal to restart or reinitialize the system in case of power supply issues.
3. Automotive electronics: Monitors critical voltages in automotive systems and triggers a reset when necessary.
4. Battery-powered devices: Protects against undervoltage conditions and helps manage power resources efficiently.

Detailed and Complete Alternative Models

1. MAX6389XS44D1-T: Similar to MAX6388XS44D1-T but with additional features such as adjustable reset timeout period.
2. MAX6387XS44D1-T: Lower-cost alternative with slightly reduced accuracy and fewer threshold voltage options.
3. MAX6386XS44D1-T: Higher-precision version with tighter voltage threshold tolerances.

These alternative models offer similar functionality but may have differences in specifications, package options, or additional features.

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