MAX6718AUKSDD3+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor
• Characteristics: Low-power, precision voltage monitoring
• Package: SOT-23-5
• Essence: Monitors the voltage level and provides a reset signal when it falls below a certain threshold
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.93V, 3.08V, 3.63V, 4.38V, 4.63V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Quiescent Current: 1.5µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6718AUKSDD3+T IC has a total of 5 pins:

1. GND: Ground connection
2. RESET: Active-low reset output
3. MR: Manual reset input
4. VCC: Positive supply voltage
5. TH: Threshold voltage selection pin

Functional Features

• Monitors the supply voltage and generates a reset signal when it drops below the selected threshold voltage.
• Provides an active-low reset output that remains low until the supply voltage rises above the threshold voltage for a specified timeout period.
• Offers a manual reset input for immediate system reset.
• Low quiescent current consumption makes it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows compatibility with various systems.
• Adjustable threshold voltage options provide flexibility in voltage monitoring.
• Low quiescent current consumption helps conserve power in battery-operated devices.
• Small SOT-23-5 package enables space-saving PCB designs.

Disadvantages

• Limited reset timeout period range may not suit all application requirements.
• Manual reset input may introduce the possibility of accidental resets if not properly implemented.

Working Principles

The MAX6718AUKSDD3+T operates by continuously monitoring the supply voltage using an internal voltage reference. When the voltage falls below the selected threshold voltage, the IC generates an active-low reset signal. This reset signal remains low until the supply voltage rises above the threshold voltage for a specified timeout period. The manual reset input allows for immediate system reset when triggered.

Detailed Application Field Plans

The MAX6718AUKSDD3+T is commonly used in various applications where voltage monitoring and system reset functionality are required. Some potential application fields include:

1. Battery-Powered Devices: Portable electronics, IoT devices, and wearable gadgets often rely on battery power. The MAX6718AUKSDD3+T ensures proper voltage monitoring and system reset to prevent unexpected shutdowns or data loss.

2. Industrial Control Systems: In industrial environments, voltage fluctuations can cause system instability or damage. By incorporating the MAX6718AUKSDD3+T, control systems can maintain reliable operation by monitoring the supply voltage and initiating appropriate actions when necessary.

3. Automotive Electronics: Automotive systems require robust voltage monitoring to ensure safe and reliable operation. The MAX6718AUKSDD3+T can be utilized in automotive electronics such as engine control units (ECUs), infotainment systems, and safety modules.

Detailed and Complete Alternative Models

1. MAX6717AUKSDD3+T: Similar to the MAX6718AUKSDD3+T, but with different threshold voltage options.
2. MAX6719AUKSDD3+T: Offers additional features like a watchdog timer and adjustable reset timeout period.
3. MAX6720AUKSDD3+T: Provides a higher number of threshold voltage options for more precise voltage monitoring.

These alternative models offer similar functionality to the MAX6718AUKSDD3+T but may have different specifications or additional features to suit specific application requirements.

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