MAX805SEPA+ - English Editing Encyclopedia Entry

Product Overview

Category

MAX805SEPA+ belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

• Voltage monitoring and reset functionality
• Low power consumption
• Wide operating voltage range
• Small package size
• High accuracy

Package

MAX805SEPA+ is available in a small-sized plastic package, which ensures easy integration into electronic circuits.

Essence

The essence of MAX805SEPA+ lies in its ability to monitor voltage levels and provide a reset signal when necessary, ensuring proper functioning of electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage Range: 1.0V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Reset Threshold Voltage: Adjustable from 1.2V to 4.63V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Quiescent Current: 7µA (typical)

Pin Configuration

The MAX805SEPA+ has the following pin configuration:

```

---

| | --| VCC | --| GND | --| RESET | --| MR | |___________| ```

• VCC: Power supply input
• GND: Ground reference
• RESET: Output reset signal
• MR: Manual reset input

Functional Features

1. Voltage Monitoring: The MAX805SEPA+ continuously monitors the input voltage and compares it with the user-adjustable threshold voltage.
2. Reset Signal Generation: When the input voltage falls below the threshold voltage, the MAX805SEPA+ generates a reset signal to initiate a system reset.
3. Adjustable Threshold and Timeout: The threshold voltage and timeout period can be easily adjusted to suit specific application requirements.
4. Manual Reset Input: The MR pin allows for manual initiation of a system reset.

Advantages and Disadvantages

Advantages

• High accuracy in voltage monitoring
• Wide operating voltage range enables compatibility with various systems
• Low power consumption ensures energy efficiency
• Small package size facilitates integration into compact designs

Disadvantages

• Limited number of adjustable parameters
• Lack of advanced features compared to more specialized voltage monitoring ICs

Working Principles

The MAX805SEPA+ operates by continuously monitoring the input voltage using an internal voltage comparator. When the voltage falls below the user-adjustable threshold, the internal logic generates a reset signal. This signal remains active until the voltage rises above the threshold or the user-defined timeout period elapses.

Detailed Application Field Plans

The MAX805SEPA+ finds applications in various electronic devices that require reliable voltage monitoring and reset functionality. Some potential application fields include:

1. Microcontrollers: Ensuring proper system initialization and preventing data corruption during power fluctuations.
2. Embedded Systems: Providing a reset mechanism to recover from software or hardware failures.
3. Industrial Control Systems: Monitoring critical voltages to prevent damage to sensitive equipment.
4. Automotive Electronics: Enabling safe operation by resetting systems in case of voltage drops or spikes.

Detailed and Complete Alternative Models

1. MAX803SEXR-T: Similar to MAX805SEPA+, but with a different package and additional features such as a watchdog timer.
2. MAX809SEUR-T: Another alternative with similar voltage monitoring and reset functionality, but with a lower quiescent current and smaller package size.
3. MAX811SEUS-T: Offers similar features, but includes a manual reset input and adjustable reset timeout period.

These alternative models provide options for designers based on specific requirements and constraints.

In conclusion, the MAX805SEPA+ is a versatile integrated circuit that offers reliable voltage monitoring and reset functionality. Its small package size, wide operating voltage range, and low power consumption make it suitable for various electronic applications. However, designers should consider alternative models to find the best fit for their specific needs.