MAX683EUA+ - English Editing Encyclopedia Entry

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, precision voltage monitoring
• Package: 8-pin microMAX® package
• Essence: Provides accurate power supply monitoring and reset generation
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage Options: 2.5V, 3.0V, 3.3V, 5.0V
• Reset Timeout Period Options: 140ms, 450ms, 1.12s, 2.25s
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 4µA (typical)

Detailed Pin Configuration

The MAX683EUA+ features the following pin configuration:

1. GND: Ground connection
2. MR: Manual Reset input
3. RESET: Active-low reset output
4. VCC: Positive power supply input
5. TH: Threshold voltage selection input
6. CT: Capacitor connection for reset timeout period
7. RESET: Active-low reset output
8. VCC: Positive power supply input

Functional Features

• Accurate voltage monitoring of power supply
• Generates a reset signal when the monitored voltage falls below the threshold
• Manual reset input for immediate system reset
• Adjustable reset threshold voltage and timeout period options
• Low quiescent current for power efficiency

Advantages and Disadvantages

Advantages: - Precise voltage monitoring ensures reliable system operation - Adjustable threshold and timeout options provide flexibility - Low-power consumption for energy-efficient applications - Compact package size for space-constrained designs

Disadvantages: - Limited reset timeout period options may not suit all applications - Requires an external capacitor for reset timeout configuration

Working Principles

The MAX683EUA+ is designed to monitor the voltage of a power supply and generate a reset signal when the voltage falls below a specified threshold. It operates by comparing the monitored voltage with the selected threshold voltage. If the voltage drops below the threshold, the reset output is activated, indicating a power failure or unstable condition. The reset signal remains active until the voltage rises above the threshold or a manual reset input is triggered.

Detailed Application Field Plans

The MAX683EUA+ finds applications in various fields where accurate power supply monitoring and reset generation are crucial. Some potential application areas include:

1. Embedded Systems: Ensuring reliable operation of microcontrollers, DSPs, and other embedded devices.
2. Industrial Automation: Monitoring power supplies in control systems, PLCs, and industrial equipment.
3. Automotive Electronics: Voltage supervision in automotive ECUs, infotainment systems, and safety modules.
4. Medical Devices: Power monitoring and reset generation in medical equipment and patient monitoring systems.
5. Consumer Electronics: Reliable voltage monitoring in smart home devices, wearables, and portable electronics.

Detailed and Complete Alternative Models

1. MAX681EUS+: Similar functionality with a different pin configuration and package type.
2. MAX682ESA+: Offers additional features like adjustable reset timeout and watchdog timer.
3. MAX684EUA+: Provides higher accuracy voltage monitoring with tighter threshold options.
4. MAX685EUA+: Extended temperature range variant suitable for harsh environments.
5. MAX686EUA+: Ultra-low quiescent current version for power-sensitive applications.

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

This entry provides an overview of the MAX683EUA+ voltage supervisor IC, including its category, use, characteristics, package, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.