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:

```

| | | 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:

Battery-Powered Devices: Provides low-power voltage monitoring for portable electronics, ensuring safe operation and preventing damage due to undervoltage conditions.
Industrial Control Systems: Monitors power supply voltages in industrial equipment, enabling timely system resets and preventing malfunctions or data corruption.
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.
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

MAX6715UTZWD3+: Similar voltage detector IC with adjustable threshold voltage and a different package (SOT23-5).
MAX6730AUTVD3+: Voltage detector IC with fixed threshold voltage and a smaller package (SOT23-3).
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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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van MAX6722UTVDD3+T in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of MAX6722UTVDD3+T in technical solutions:

Q: What is MAX6722UTVDD3+T? A: MAX6722UTVDD3+T is a voltage detector IC manufactured by Maxim Integrated. It is used to monitor the voltage level of a power supply and provide an output signal when the voltage falls below a certain threshold.
Q: What is the operating voltage range of MAX6722UTVDD3+T? A: The operating voltage range of MAX6722UTVDD3+T is typically between 1.6V and 5.5V.
Q: How does MAX6722UTVDD3+T work? A: MAX6722UTVDD3+T compares the input voltage with a fixed reference voltage. When the input voltage drops below the reference voltage, it triggers an internal circuit that generates an output signal.
Q: What is the purpose of using MAX6722UTVDD3+T in a technical solution? A: MAX6722UTVDD3+T is commonly used as a voltage supervisor or reset generator in various applications, such as microcontrollers, DSPs, and other digital systems. It ensures proper system initialization and prevents erratic behavior during power-up or brownout conditions.
Q: Can MAX6722UTVDD3+T be used for overvoltage protection? A: No, MAX6722UTVDD3+T is specifically designed for undervoltage detection. It does not provide overvoltage protection functionality.
Q: What is the typical accuracy of MAX6722UTVDD3+T? A: The typical accuracy of MAX6722UTVDD3+T is ±1.5%.
Q: How much current does MAX6722UTVDD3+T consume? A: MAX6722UTVDD3+T has a low quiescent current of typically 6µA, making it suitable for power-sensitive applications.
Q: Can MAX6722UTVDD3+T be used in automotive applications? A: Yes, MAX6722UTVDD3+T is qualified for automotive applications and can operate in harsh environments within the specified temperature range.
Q: Does MAX6722UTVDD3+T have any built-in delay or hysteresis? A: Yes, MAX6722UTVDD3+T includes a fixed delay time of typically 200ms and a hysteresis voltage of typically 50mV to prevent false triggering due to voltage fluctuations.
Q: What package options are available for MAX6722UTVDD3+T? A: MAX6722UTVDD3+T is available in a small SOT23-3 package, which is compact and suitable for space-constrained designs.

Please note that the answers provided here are general and may vary depending on the specific datasheet and application requirements.