MAX6388XS40D2-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics: Low-power, precision voltage monitoring, adjustable reset threshold, small package size
• Package: SOT23-5
• Essence: The MAX6388XS40D2-T is a voltage monitor and reset circuit designed for use in various electronic devices. It ensures proper operation by monitoring the supply voltage and generating a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Adjustable Reset Threshold: 4.0V
• Quiescent Current: 3µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX6388XS40D2-T has a total of 5 pins arranged as follows:

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Pin Description: 1. GND: Ground connection 2. MR: Manual reset input 3. RESET: Reset output 4. VCC: Supply voltage input 5. TH: Threshold adjust pin

Functional Features

• Monitors the supply voltage and generates a reset signal when it falls below the adjustable threshold.
• Provides a manual reset input for immediate system reset.
• Low quiescent current makes it suitable for battery-powered applications.
• Adjustable reset threshold allows customization for different voltage requirements.
• Small package size enables space-constrained designs.

Advantages and Disadvantages

Advantages: - Precise voltage monitoring ensures reliable system operation. - Adjustable reset threshold provides flexibility for different applications. - Low-power operation extends battery life in portable devices. - Small package size saves board space.

Disadvantages: - Limited to a maximum supply voltage of 5.5V. - Manual reset input may require additional external components for proper functionality.

Working Principles

The MAX6388XS40D2-T operates by continuously monitoring the supply voltage connected to the VCC pin. When the voltage falls below the adjustable threshold set by the TH pin, the circuit generates a reset signal on the RESET pin. This signal can be used to reset the microcontroller or other system components, ensuring proper operation even in the presence of power supply fluctuations.

Detailed Application Field Plans

The MAX6388XS40D2-T is widely used in various electronic devices where reliable voltage monitoring and reset functionality are essential. Some common application fields include:

1. Microcontrollers and Embedded Systems: Ensures proper system initialization and prevents erratic behavior due to voltage fluctuations.
2. Power Management Systems: Protects sensitive components from undervoltage conditions and allows for controlled shutdown during power loss.
3. Industrial Control Systems: Provides reliable reset functionality for critical equipment and ensures safe operation during power disturbances.
4. Automotive Electronics: Monitors the vehicle's electrical system and generates a reset signal when necessary, enhancing overall system reliability.

Detailed and Complete Alternative Models

1. MAX6389XS40D2-T: Similar to MAX6388XS40D2-T but with an adjustable reset threshold of 4.5V.
2. MAX6390XS40D2-T: Voltage monitor and reset circuit with a fixed reset threshold of 4.0V.
3. MAX6391XS40D2-T: Voltage monitor and reset circuit with a fixed reset threshold of 4.5V and manual reset input.

These alternative models offer similar functionality with slight variations in the reset threshold and additional features like manual reset input.

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