MAX6421XS22+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX6421XS22+ belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for voltage monitoring and reset functions in various electronic devices.

Characteristics

• Voltage monitoring: The MAX6421XS22+ provides accurate monitoring of supply voltages.
• Reset function: It offers a reset signal when the monitored voltage falls below a specified threshold.
• Low power consumption: This IC operates with low power requirements, making it suitable for battery-powered applications.
• Wide operating voltage range: The MAX6421XS22+ can operate within a wide voltage range, enhancing its versatility.
• Small package size: It comes in a compact package, enabling space-efficient designs.

Package

The MAX6421XS22+ is available in a small surface-mount package.

Essence

The essence of this product lies in its ability to monitor voltage levels and provide a reset signal, ensuring reliable operation of electronic devices.

Packaging/Quantity

The MAX6421XS22+ is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage Range: 2.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Output Type: Active-Low Push-Pull
• Reset Threshold Voltage: Adjustable (factory-programmed)
• Quiescent Current: 10µA (typical)

Detailed Pin Configuration

The MAX6421XS22+ has the following pin configuration:

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

Functional Features

1. Voltage Monitoring: The MAX6421XS22+ continuously monitors the supply voltage.
2. Reset Signal Generation: When the monitored voltage falls below the threshold, it generates an active-low reset signal.
3. Threshold Adjustment: The threshold voltage can be adjusted using the TH pin.
4. Manual Reset Input: The MR pin allows for manual reset control.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring ensures reliable operation of electronic devices.
• Low power consumption extends battery life in portable applications.
• Wide operating voltage range enhances compatibility with various systems.
• Compact package size enables space-efficient designs.

Disadvantages

• Factory-programmed threshold voltage may limit customization options.
• Lack of specific application examples in the datasheet may require additional research.

Working Principles

The MAX6421XS22+ operates by continuously monitoring the supply voltage using an internal voltage reference. When the voltage falls below the factory-programmed threshold, it triggers the active-low reset output. The threshold voltage can be adjusted using the TH pin, allowing for customization within a specified range.

Detailed Application Field Plans

The MAX6421XS22+ finds applications in various electronic devices that require voltage monitoring and reset functions. Some potential application fields include:

1. Microcontrollers: Ensuring reliable operation by monitoring the supply voltage and providing a reset signal when necessary.
2. Embedded Systems: Enhancing system stability by detecting voltage fluctuations and initiating a reset if required.
3. Power Management: Safeguarding sensitive components by monitoring voltage levels and triggering appropriate actions.
4. Industrial Control Systems: Maintaining operational integrity by monitoring power supply voltages and initiating corrective measures.

Detailed and Complete Alternative Models

1. MAX6422XS22+: Similar to the MAX6421XS22+, but with adjustable threshold voltage.
2. MAX6423XS22+: Offers additional features such as watchdog timer and power-on reset.
3. MAX6424XS22+: Provides multiple voltage monitoring channels for enhanced system monitoring capabilities.

These alternative models offer similar functionality to the MAX6421XS22+ but may have additional features or customization options based on specific application requirements.

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