MAX6721UTVDD3+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Detector
• Characteristics: Low-power, high-accuracy, small form factor
• Package: SOT23-6
• Essence: Monitors voltage levels and provides a digital output
• 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, 3.30V, 4.38V
• Quiescent Current: 1µA (typical)
• Operating Temperature Range: -40°C to +85°C
• Output Type: Active-Low Open-Drain
• Accuracy: ±1.5% (typical)

Pin Configuration

The MAX6721UTVDD3+T has a total of six pins arranged as follows:

```

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| | --| VDD | --| GND | --| RESET | --| OUT | --| N.C. | |___________| ```

• VDD: Power supply input pin
• GND: Ground reference pin
• RESET: Active-low reset output pin
• OUT: Digital output indicating voltage status
• N.C.: No connection pin

Functional Features

• Monitors the input voltage and compares it with the threshold voltage
• Provides a digital output signal indicating whether the voltage is above or below the threshold
• Active-low reset output can be used to trigger system resets
• Low quiescent current makes it suitable for battery-powered applications
• High accuracy ensures reliable voltage monitoring

Advantages and Disadvantages

Advantages: - Small form factor allows for space-efficient designs - Wide supply voltage range enables compatibility with various systems - Low-power operation prolongs battery life - Accurate voltage monitoring enhances system reliability

Disadvantages: - Limited threshold voltage options may not suit all applications - Active-low output configuration may require additional circuitry for certain applications

Working Principles

The MAX6721UTVDD3+T operates by comparing the input voltage with the selected threshold voltage. When the input voltage falls below the threshold, the digital output (OUT) becomes active-low, indicating a low-voltage condition. Conversely, when the input voltage rises above the threshold, the output remains high. The active-low reset output (RESET) can be used to trigger system resets when necessary.

Detailed Application Field Plans

The MAX6721UTVDD3+T finds applications in various fields where voltage monitoring is crucial. Some potential application areas include:

1. Battery-Powered Devices: Used to monitor battery voltage and trigger low-battery warnings or shutdowns.
2. Power Management Systems: Employed to monitor power supply voltages and initiate corrective actions in case of abnormalities.
3. Industrial Control Systems: Integrated into control circuits to ensure stable voltage levels for reliable operation.
4. Automotive Electronics: Utilized for monitoring automotive battery voltage and triggering appropriate actions based on voltage conditions.
5. Consumer Electronics: Incorporated into devices such as smartphones, tablets, and wearables to monitor battery voltage and optimize power consumption.

Detailed and Complete Alternative Models

1. MAX6716UTZWD3+T: Similar voltage detector IC with adjustable threshold voltage and watchdog timer functionality.
2. MAX6730AUTYD3+T: Voltage detector IC with higher accuracy and wider temperature range.
3. MAX6741XKZWD3+T: Voltage detector IC with multiple threshold voltage options and integrated delay timer.

These alternative models offer similar voltage monitoring capabilities but may have different features or specifications that cater to specific application requirements.

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