MAX16021PTEY+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX16021PTEY+ is a voltage supervisor IC designed to monitor the power supply voltage of electronic systems and provide reset signals when the voltage falls below a certain threshold. It ensures reliable operation by preventing the system from operating in an undefined state due to insufficient power supply voltage.

Characteristics: - Low power consumption - Wide operating voltage range - Adjustable reset threshold - Small form factor - High accuracy

Package: The MAX16021PTEY+ is available in a tiny 6-pin SOT23 package, which makes it suitable for space-constrained applications.

Essence: The essence of the MAX16021PTEY+ is its ability to monitor and control the power supply voltage, ensuring proper functioning of electronic systems.

Packaging/Quantity: The MAX16021PTEY+ is typically sold in reels containing 3000 units.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage Range: 0.4V to VDD-0.2V
• Quiescent Current: 3µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX16021PTEY+ features the following pin configuration:

```

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

• RESET: Output pin that provides a reset signal when the monitored voltage falls below the threshold.
• GND: Ground reference.
• MR: Manual reset input pin.
• VDD: Power supply input pin.
• N.C.: No connection (unused pin).

Functional Features

1. Voltage Monitoring: The MAX16021PTEY+ continuously monitors the power supply voltage and generates a reset signal when it falls below the user-defined threshold.
2. Adjustable Threshold: The reset threshold voltage can be adjusted within a specified range to suit different system requirements.
3. Manual Reset: The MR pin allows for manual reset, enabling system initialization or recovery.
4. Low Power Consumption: The IC operates with low quiescent current, minimizing power consumption in battery-powered applications.
5. Wide Operating Voltage Range: The MAX16021PTEY+ supports a wide range of supply voltages, making it compatible with various electronic systems.

Advantages and Disadvantages

Advantages: - Ensures reliable operation by preventing undefined states caused by insufficient power supply voltage. - Small form factor enables usage in space-constrained applications. - Adjustable reset threshold provides flexibility for different system requirements. - Low power consumption prolongs battery life in portable devices. - Wide operating voltage range enhances compatibility.

Disadvantages: - Limited number of pins may restrict additional functionalities. - Manual reset feature may require external components for implementation.

Working Principles

The MAX16021PTEY+ works based on a voltage monitoring circuit that compares the power supply voltage with a user-defined threshold. When the voltage drops below the threshold, the IC triggers a reset signal, which can be used to initialize or recover the system. The adjustable threshold allows customization according to specific voltage requirements.

Detailed Application Field Plans

The MAX16021PTEY+ finds applications in various electronic systems where reliable power supply voltage monitoring is crucial. Some potential application fields include: 1. Microcontrollers and microprocessors 2. Embedded systems 3. Industrial automation 4. Automotive electronics 5. Portable devices 6. Communication equipment

Detailed and Complete Alternative Models

1. MAX16020PTEY+: Similar to MAX16021PTEY+, but with a different reset threshold voltage range.
2. MAX16022PTEY+: Offers additional features such as watchdog timer functionality.
3. MAX16023PTEY+: Provides multiple adjustable reset thresholds for monitoring different voltage levels simultaneously.

These alternative models offer similar functionality with slight variations to cater to specific requirements.

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