MAX6722UTVDD3+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Detector
• Characteristics: Low-power, high-precision, adjustable threshold voltage
• Package: SOT23-6
• Essence: Monolithic CMOS circuit
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: Adjustable from 1.2V to 4.8V in 100mV steps
• Quiescent Current: 1.5µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6722UTVDD3+T features a SOT23-6 package with the following pin configuration:

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| | | 1 2 | | | | 3 4 | | | | 5 6 | |___________| ```

Pin Description: 1. GND: Ground 2. VDD: Supply Voltage 3. TH: Threshold Voltage Input 4. RESET: Active-Low Reset Output 5. MR: Manual Reset Input 6. NC: No Connection

Functional Features

• Voltage detection with adjustable threshold
• Low quiescent current for power-sensitive applications
• Precision monitoring of supply voltage
• Active-low reset output for system control
• Manual reset input for user intervention

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows versatile use - Adjustable threshold voltage provides flexibility - Low quiescent current minimizes power consumption - Small package size enables space-constrained designs

Disadvantages: - Limited number of threshold voltage options - Manual reset input may require additional circuitry for implementation

Working Principles

The MAX6722UTVDD3+T is a voltage detector IC that monitors the supply voltage and provides an active-low reset signal when the voltage falls below a user-defined threshold. It operates based on a monolithic CMOS circuit, which ensures low power consumption and high precision.

The threshold voltage can be adjusted using the TH pin, allowing customization for different applications. The device continuously compares the supply voltage with the threshold voltage and generates a reset signal on the RESET pin when the voltage drops below the set threshold.

The MR pin allows manual intervention to generate a reset signal, overriding the automatic detection. This feature is useful for system debugging or specific application requirements.

Detailed Application Field Plans

The MAX6722UTVDD3+T finds applications in various fields, including:

1. Battery-Powered Devices: Provides low-power voltage monitoring for portable electronics, ensuring safe operation and preventing damage due to undervoltage conditions.
2. Industrial Control Systems: Monitors power supply voltages in industrial equipment, enabling timely system resets and preventing malfunctions or data corruption.
3. Automotive Electronics: Ensures reliable operation of automotive systems by detecting undervoltage conditions and triggering appropriate actions, such as resetting microcontrollers or shutting down non-critical components.
4. IoT Devices: Enables efficient power management in Internet of Things (IoT) devices, prolonging battery life and enhancing overall system reliability.

Detailed and Complete Alternative Models

1. MAX6715UTZWD3+: Similar voltage detector IC with adjustable threshold voltage and a different package (SOT23-5).
2. MAX6730AUTVD3+: Voltage detector IC with fixed threshold voltage and a smaller package (SOT23-3).
3. MAX6741XKZWD3+: Precision voltage detector IC with adjustable threshold voltage and a larger package (SOT23-8).

These alternative models offer different features and package options, allowing designers to choose the most suitable option for their specific requirements.

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