MAX820MCSE+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX820MCSE+ belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

• Integrated circuit
• Voltage monitoring and reset functionality
• Small form factor
• Low power consumption

Package

The MAX820MCSE+ is available in a small outline package (SOP) with a specific pin configuration.

Essence

The essence of the MAX820MCSE+ lies in its ability to monitor voltage levels and provide reset signals to ensure proper functioning of electronic devices.

Packaging/Quantity

The MAX820MCSE+ is typically packaged in reels or tubes, containing a specific quantity of ICs per package.

Specifications

The specifications of the MAX820MCSE+ are as follows:

• Supply Voltage Range: 1.8V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Reset Threshold Voltage: Adjustable from 0.4V to 4.625V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Quiescent Current: 10µA (typical)

Detailed Pin Configuration

The MAX820MCSE+ has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground connection
3. MR: Manual reset input
4. RESET: Reset output
5. TH: Threshold adjust input
6. CT: Capacitor connection for reset timeout adjustment

Functional Features

The MAX820MCSE+ offers the following functional features:

• Voltage monitoring: Monitors the input voltage and generates a reset signal when it falls below a specified threshold.
• Reset generation: Provides a reset signal to the device being monitored, ensuring proper operation after a power-on or voltage drop event.
• Adjustable threshold: The threshold voltage can be adjusted to suit specific application requirements.
• Adjustable timeout period: The reset signal duration can be adjusted to allow for proper device initialization.

Advantages and Disadvantages

Advantages

• Compact size allows for easy integration into various electronic devices.
• Wide supply voltage range enables compatibility with different power sources.
• Adjustable threshold and timeout period provide flexibility for diverse applications.
• Low quiescent current minimizes power consumption.

Disadvantages

• Limited number of pins may restrict the functionality in complex systems.
• Lack of built-in protection features against voltage spikes or transients.

Working Principles

The MAX820MCSE+ operates by continuously monitoring the input voltage. When the voltage falls below the set threshold, it triggers the generation of a reset signal. This signal is then provided to the device being monitored, ensuring its proper functioning. The threshold voltage and reset timeout period can be adjusted using external components.

Detailed Application Field Plans

The MAX820MCSE+ finds applications in various fields, including:

1. Consumer electronics: Used in smartphones, tablets, and wearable devices to ensure reliable operation during power fluctuations.
2. Industrial automation: Employed in control systems and sensors to monitor voltage levels and initiate resets when necessary.
3. Automotive electronics: Integrated into vehicle systems to prevent malfunctions caused by voltage variations.
4. Medical devices: Ensures the stability and safety of medical equipment by providing accurate voltage monitoring and reset capabilities.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MAX820MCSE+ include:

1. MAX821MCSE+: Similar to MAX820MCSE+, but with additional features such as overvoltage protection.
2. LTC2917IMS#PBF: Voltage monitor and reset IC with adjustable threshold and timeout period.
3. TPS3808G01DBVR: Ultra-low power voltage supervisor with fixed threshold and adjustable timeout.

These alternative models provide options for different application requirements, offering similar voltage monitoring and reset functionalities.

In conclusion, the MAX820MCSE+ is a compact integrated circuit that provides voltage monitoring and reset capabilities. Its adjustable threshold and timeout period make it suitable for various applications in consumer electronics, industrial automation, automotive electronics, and medical devices. While it offers advantages such as a wide supply voltage range and low power consumption, it may have limitations in terms of pin count and protection features. Alternative models like MAX821MCSE+, LTC2917IMS#PBF, and TPS3808G01DBVR offer similar functionality and cater to diverse application needs.