MAX818MCPA+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX818MCPA+ belongs to the category of integrated circuits (ICs) specifically designed for voltage monitoring and reset functions.

Use

This product is commonly used in electronic devices where accurate voltage monitoring and system reset functionality are required. It ensures proper operation by monitoring the power supply voltage and initiating a reset when necessary.

Characteristics

• Voltage monitoring: The MAX818MCPA+ accurately monitors the power supply voltage within a specified range.
• Reset function: It provides a reliable system reset signal when the voltage falls below a predetermined threshold.
• Low power consumption: This IC operates with low power consumption, making it suitable for battery-powered applications.
• Wide operating voltage range: The MAX818MCPA+ can operate within a wide voltage range, allowing flexibility in various applications.

Package

The MAX818MCPA+ is available in a small-sized package, typically a 8-pin plastic dual inline package (PDIP). This package offers ease of integration into circuit boards and ensures mechanical stability.

Essence

The essence of the MAX818MCPA+ lies in its ability to monitor the power supply voltage and provide a reliable reset signal, ensuring the proper functioning of electronic systems.

Packaging/Quantity

The MAX818MCPA+ is usually packaged in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the manufacturer and supplier.

Specifications

• Supply Voltage Range: 1.0V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Reset Threshold Accuracy: ±1.5%
• Quiescent Current: 10µA (typical)
• Reset Timeout Period: Adjustable
• Output Type: Active-Low Push-Pull

Detailed Pin Configuration

The MAX818MCPA+ has the following pin configuration:

1. VCC: Power supply voltage input
2. GND: Ground reference
3. MR: Manual reset input (active-low)
4. RESET#: Reset output (active-low)
5. CT: Capacitor connection for reset timeout period adjustment
6. TH: Threshold voltage input for reset comparator
7. TR: Transistor reset output (active-low)
8. NC: No connection (unused pin)

Functional Features

• Accurate Voltage Monitoring: The MAX818MCPA+ continuously monitors the power supply voltage and compares it with the threshold voltage set by the user.
• Reliable System Reset: When the monitored voltage falls below the threshold, the IC generates a reset signal to ensure proper system operation.
• Adjustable Reset Timeout Period: The reset timeout period can be adjusted using an external capacitor connected to the CT pin, allowing customization based on specific application requirements.
• Manual Reset Capability: The MR pin allows for manual initiation of a system reset when required.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring ensures reliable system operation.
• Low power consumption makes it suitable for battery-powered applications.
• Wide operating voltage range provides flexibility in various electronic systems.
• Adjustable reset timeout period allows customization based on specific needs.
• Manual reset capability offers additional control over system reset functionality.

Disadvantages

• Limited availability of alternative models from different manufacturers.
• May require additional external components for certain applications.

Working Principles

The MAX818MCPA+ operates based on a voltage monitoring and reset circuit. It continuously compares the power supply voltage with the threshold voltage set by the user. If the monitored voltage falls below the threshold, the IC generates a reset signal, initiating a system reset. The reset timeout period can be adjusted using an external capacitor, providing flexibility in defining the duration of the reset signal.

Detailed Application Field Plans

The MAX818MCPA+ finds applications in various electronic systems, including but not limited to: - Microcontrollers and microprocessors - Embedded systems - Power management circuits - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

While the MAX818MCPA+ is a reliable choice for voltage monitoring and reset functions, alternative models from different manufacturers can also be considered. Some notable alternatives include: - Texas Instruments TPS3808G01 - Analog Devices ADM708ARZ - ON Semiconductor NCP302LSN30T1G

These alternative models offer similar functionality and can be evaluated based on specific application requirements.

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