MAX6721UTVHD3+ - English Editing Encyclopedia Entry

Product Overview

Category

MAX6721UTVHD3+ belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in electronic devices for voltage monitoring and reset functions.

Characteristics

• Voltage monitoring and reset functionality
• Low power consumption
• Wide operating voltage range
• Small package size
• High accuracy

Package

The MAX6721UTVHD3+ is available in a small SOT23-6 package.

Essence

The essence of this product lies in its ability to monitor voltage levels and provide a reset signal when necessary, ensuring proper functioning of electronic devices.

Packaging/Quantity

The MAX6721UTVHD3+ is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.93V
• Reset Timeout Period: 140ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6721UTVHD3+ has six pins arranged as follows:

```

---

| | --| VCC |-- --| GND |-- --| MR |-- --| RESET |-- --| RST |-- |_______| ```

Pin Description: - VCC: Power supply input - GND: Ground reference - MR: Manual reset input - RESET: Active-low reset output - RST: Open-drain reset output

Functional Features

1. Voltage Monitoring: The MAX6721UTVHD3+ continuously monitors the supply voltage and compares it to the preset threshold voltage.
2. Reset Generation: When the supply voltage falls below the threshold voltage, the IC generates a reset signal to ensure proper device operation.
3. Manual Reset: The manual reset input (MR) allows for an external reset signal to override the internal monitoring circuitry.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring
• Low power consumption
• Small package size
• Wide operating voltage range

Disadvantages

• Limited reset timeout period
• Single threshold voltage option

Working Principles

The MAX6721UTVHD3+ operates by comparing the supply voltage with the preset threshold voltage. When the supply voltage drops below the threshold, the IC triggers a reset signal. The reset output remains active until the supply voltage rises above the threshold or a manual reset signal is received.

Detailed Application Field Plans

The MAX6721UTVHD3+ finds applications in various electronic devices that require reliable voltage monitoring and reset functionality. Some potential application fields include:

1. Microcontrollers: Ensuring proper operation of microcontrollers by providing a reset signal when the supply voltage drops below a certain level.
2. Power Management Systems: Monitoring voltage levels in power management systems to prevent damage due to undervoltage conditions.
3. Battery-Powered Devices: Protecting battery-powered devices from improper operation caused by low battery voltage.

Detailed and Complete Alternative Models

1. MAX6715UTZWD3+: Similar to MAX6721UTVHD3+, but with a different threshold voltage option (2.93V).
2. MAX6730UTYHD3+: Offers additional features such as adjustable reset timeout period and multiple threshold voltage options.

Note: This list is not exhaustive, and there are several alternative models available in the market.

In conclusion, the MAX6721UTVHD3+ is an integrated circuit designed for voltage monitoring and reset functions. Its small package size, wide operating voltage range, and low power consumption make it suitable for various electronic devices. However, it has limitations such as a fixed threshold voltage and limited reset timeout period. Nonetheless, its accurate voltage monitoring and reliable reset generation capabilities make it an essential component in many applications.

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