MAX820LCSE+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX820LCSE+ belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for voltage monitoring and supervision in various electronic systems.

Characteristics

• The MAX820LCSE+ is a low-power, precision voltage monitor with a built-in comparator.
• It operates over a wide voltage range, making it suitable for diverse applications.
• This IC offers high accuracy and stability in voltage monitoring.
• It has a low quiescent current, ensuring minimal power consumption.
• The MAX820LCSE+ is designed to provide reliable performance in harsh environments.

Package

The MAX820LCSE+ is available in a small outline package (SOIC) with eight pins.

Essence

The essence of this product lies in its ability to accurately monitor voltage levels and trigger actions based on predefined thresholds.

Packaging/Quantity

The MAX820LCSE+ is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage Range: 2.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 10µA (typical)
• Threshold Voltage Accuracy: ±1%
• Output Type: Active-Low Open-Drain
• Response Time: 20µs (typical)

Detailed Pin Configuration

The MAX820LCSE+ features the following pin configuration:

1. GND: Ground connection
2. IN+: Positive input terminal for voltage monitoring
3. IN-: Negative input terminal for voltage monitoring
4. VCC: Power supply input
5. RESET#: Active-low reset output
6. GND: Ground connection
7. OUT: Open-drain output
8. VCC: Power supply input

Functional Features

• Voltage Monitoring: The MAX820LCSE+ continuously monitors the voltage at the IN+ and IN- inputs.
• Threshold Comparison: It compares the monitored voltage with a predefined threshold voltage.
• Reset Output: When the monitored voltage falls below the threshold, the RESET# output is activated.
• Open-Drain Output: The OUT pin provides an open-drain output for external circuitry.

Advantages and Disadvantages

Advantages

• High accuracy and stability in voltage monitoring.
• Wide operating voltage range allows for versatile applications.
• Low quiescent current minimizes power consumption.
• Reliable performance in harsh environments.

Disadvantages

• Limited number of pins may restrict additional functionalities.
• Requires external components for complete voltage monitoring system implementation.

Working Principles

The MAX820LCSE+ operates based on a comparator circuit. It continuously compares the voltage at the IN+ and IN- inputs. If the monitored voltage falls below the predefined threshold voltage, the RESET# output is activated. This can trigger actions such as system reset or fault indication.

Detailed Application Field Plans

The MAX820LCSE+ finds application in various fields, including:

1. Power Supply Systems: It ensures stable voltage levels and protects sensitive components from undervoltage conditions.
2. Battery-Powered Devices: The IC helps monitor battery voltage to prevent over-discharge and extend battery life.
3. Industrial Control Systems: It provides voltage supervision in control panels, ensuring reliable operation and preventing damage due to voltage fluctuations.
4. Automotive Electronics: The MAX820LCSE+ assists in monitoring critical voltages in automotive systems, enhancing safety and reliability.

Detailed and Complete Alternative Models

1. MAX821LCSE+: Similar to MAX820LCSE+, but with adjustable threshold voltage.
2. MAX819LCSE+: Lower-power version with reduced quiescent current.
3. MAX821LCPE+: Plastic encapsulated version with extended temperature range.

Note: This is not an exhaustive list, and there may be other alternative models available from the manufacturer.

In conclusion, the MAX820LCSE+ is a precision voltage monitor IC that offers high accuracy, low power consumption, and reliable performance. Its wide range of applications makes it a versatile choice for voltage monitoring in various electronic systems.

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