MAX804RESA+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX804RESA+ is a voltage detector IC that is primarily used for monitoring the power supply voltage in electronic devices. It ensures proper functioning of the device by providing an alert or triggering a reset when the voltage falls below or exceeds a certain threshold.

Characteristics: - Low power consumption - Wide operating voltage range - Adjustable voltage threshold - Small package size - High accuracy

Package: The MAX804RESA+ is available in a small surface-mount SOT-23 package, which makes it suitable for compact electronic devices.

Essence: The essence of the MAX804RESA+ lies in its ability to monitor and regulate the power supply voltage, ensuring the reliable operation of electronic devices.

Packaging/Quantity: The MAX804RESA+ is typically sold in reels containing 3000 units per reel.

Specifications

• Supply Voltage Range: 1.8V to 5.5V
• Adjustable Threshold Voltage Range: 1.2V to 4.6V
• Quiescent Current: 3µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX804RESA+ features a 3-pin configuration:

1. VCC: Power supply input pin
2. GND: Ground pin
3. RESET: Output pin for reset signal

Functional Features

• Voltage Monitoring: The MAX804RESA+ continuously monitors the power supply voltage and provides a reset signal when the voltage falls below or exceeds the set threshold.
• Adjustable Threshold: The voltage threshold can be adjusted within a specified range to suit different applications.
• Reset Signal Generation: When the voltage crosses the threshold, the MAX804RESA+ generates a reset signal to initiate a system reset or trigger an alert.

Advantages and Disadvantages

Advantages: - Low power consumption ensures minimal impact on overall device performance. - Wide operating voltage range makes it compatible with various power supply configurations. - Adjustable threshold voltage allows customization for different applications. - Small package size enables integration into space-constrained designs. - High accuracy ensures reliable voltage monitoring.

Disadvantages: - Limited to voltage monitoring and reset functionality, may not be suitable for complex power management requirements. - SOT-23 package may require specialized equipment for soldering and handling.

Working Principles

The MAX804RESA+ operates by comparing the power supply voltage with the set threshold voltage. When the voltage falls below or exceeds the threshold, the internal circuitry generates a reset signal. This signal can be used to initiate a system reset or trigger an alert, ensuring proper functioning of the electronic device.

Detailed Application Field Plans

The MAX804RESA+ finds application in various electronic devices where voltage monitoring is critical. Some potential application fields include: 1. Battery-powered devices: Ensures efficient use of battery power and prevents damage due to overvoltage or undervoltage. 2. Industrial control systems: Monitors power supply stability to prevent malfunctions and ensure uninterrupted operation. 3. Automotive electronics: Protects sensitive components from voltage fluctuations and provides reliable power supply monitoring.

Detailed and Complete Alternative Models

1. MAX803RESA+: Similar to MAX804RESA+, but with a fixed threshold voltage.
2. MAX809RESA+: Voltage detector IC with a push-pull output configuration.
3. MAX810RESA+: Voltage detector IC with an open-drain output configuration.

These alternative models offer similar voltage monitoring capabilities with slight variations in features and pin configurations.

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