MAX816EPA+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX816EPA+ belongs to the category of integrated circuits (ICs).

Use

This product is commonly used as a voltage monitor and reset circuit.

Characteristics

• Voltage monitoring: The MAX816EPA+ is designed to monitor the voltage level of a power supply.
• Reset function: It provides a reset signal when the voltage falls below a certain threshold.
• Low power consumption: This IC operates with low power consumption, making it suitable for battery-powered applications.

Package

The MAX816EPA+ is available in an 8-pin DIP (Dual Inline Package) format.

Essence

The essence of this product lies in its ability to monitor voltage levels and provide a reset signal, ensuring proper functioning of electronic systems.

Packaging/Quantity

The MAX816EPA+ is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Threshold Voltage Options: 2.63V, 3.08V, 4.38V, and adjustable
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX816EPA+ has the following pin configuration:

1. GND (Ground)
2. RESET (Reset Output)
3. VCC (Supply Voltage)
4. MR (Manual Reset Input)
5. TH (Threshold Voltage Selection)
6. CT (Reset Timeout Capacitor)
7. NC (No Connection)
8. NC (No Connection)

Functional Features

• Voltage Monitoring: The MAX816EPA+ continuously monitors the input voltage.
• Reset Signal Generation: When the voltage falls below the set threshold, the IC generates a reset signal.
• Manual Reset: The MR pin allows for manual reset control.
• Adjustable Threshold: The TH pin provides options to select different threshold voltages.
• Reset Timeout: The CT pin sets the timeout period for the reset signal.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring ensures system stability.
• Low power consumption extends battery life in portable applications.
• Adjustable threshold voltage offers flexibility for various voltage levels.
• Manual reset capability allows for user intervention.

Disadvantages

• Limited number of threshold voltage options.
• Lack of built-in hysteresis may lead to potential noise-related issues.

Working Principles

The MAX816EPA+ operates by comparing the input voltage with the set threshold voltage. If the input voltage falls below the threshold, the IC generates a reset signal. The reset signal remains active until the input voltage rises above the threshold or the reset timeout period elapses.

Detailed Application Field Plans

The MAX816EPA+ finds application in various fields, including: 1. Power supply monitoring in embedded systems. 2. Microcontroller-based systems requiring reliable reset functionality. 3. Battery-powered devices where low power consumption is crucial. 4. Industrial automation systems for voltage supervision.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MAX816EPA+ include: 1. MAX809: Voltage monitor and reset circuit with adjustable threshold. 2. MCP100: Precision voltage monitor with manual reset option. 3. ADM708: Supervisory circuit with adjustable reset timeout.

These alternative models provide options for different voltage thresholds, reset timeout periods, and package formats, catering to diverse application requirements.

In conclusion, the MAX816EPA+ is an integrated circuit used for voltage monitoring and reset functions. Its low power consumption, adjustable threshold, and manual reset capability make it suitable for various applications. However, limited threshold options and the absence of built-in hysteresis are potential drawbacks. Alternative models such as MAX809, MCP100, and ADM708 offer similar features and can be considered based on specific application needs.