MAX6388XS22D4-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics: High accuracy, low power consumption, small package size
• Package: SOT23-4
• Essence: Monitors the voltage level of a power supply and generates a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.2V, 2.3V, 2.5V, 2.63V, 2.93V, 3.08V, 3.3V, 3.63V, 4.38V, 4.63V
• Reset Timeout Period: Adjustable or fixed options available
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1µA (typical)

Detailed Pin Configuration

The MAX6388XS22D4-T has a SOT23-4 package with the following pin configuration:

• Pin 1: GND (Ground)
• Pin 2: RESET (Reset Output)
• Pin 3: MR (Manual Reset Input)
• Pin 4: VCC (Supply Voltage)

Functional Features

• Monitors the voltage level of the power supply continuously.
• Generates a reset signal when the voltage falls below the set threshold.
• Provides an optional manual reset input for immediate system reset.
• Offers adjustable or fixed reset timeout period options.
• Low quiescent current ensures minimal power consumption.

Advantages and Disadvantages

Advantages: - High accuracy in voltage monitoring. - Low power consumption, suitable for battery-powered applications. - Small package size allows for space-saving designs. - Wide supply voltage range provides flexibility in various applications.

Disadvantages: - Limited threshold voltage options may not cover all specific requirements. - Lack of built-in hysteresis may result in potential oscillations near the threshold voltage.

Working Principles

The MAX6388XS22D4-T operates by continuously monitoring the voltage level of the power supply connected to its VCC pin. When the voltage falls below the set threshold, the IC generates a reset signal on the RESET pin. This signal can be used to reset the microcontroller or other system components.

The device also offers an optional MR (Manual Reset) input, which allows for an immediate system reset when triggered externally. The reset timeout period can be adjusted or fixed, providing flexibility in different application scenarios.

Detailed Application Field Plans

The MAX6388XS22D4-T is commonly used in various electronic systems where reliable voltage monitoring and reset functionality are required. Some typical application fields include:

1. Microcontrollers and Microprocessors: Ensures proper system initialization and prevents erratic behavior during power-up or voltage fluctuations.
2. Embedded Systems: Provides a reliable reset mechanism for critical system components, ensuring stable operation.
3. Industrial Control Systems: Monitors power supply integrity and initiates system reset in case of voltage drops or failures.
4. Automotive Electronics: Protects sensitive electronic modules from voltage variations and ensures safe operation.
5. Battery-Powered Devices: Optimizes power management by resetting the system when the battery voltage reaches critical levels.

Detailed and Complete Alternative Models

1. MAX6389XS22D4-T: Similar to MAX6388XS22D4-T but with additional features such as adjustable reset timeout period and hysteresis control.
2. MAX6387XS22D4-T: Lower-cost alternative with fixed threshold voltage options and reduced operating temperature range.
3. MAX6386XS22D4-T: Higher accuracy version with tighter voltage threshold tolerances and extended supply voltage range.

These alternative models offer different specifications and features to cater to specific application requirements.

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