MAX161ACWI+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX161ACWI+ is a voltage supervisor IC designed to monitor the power supply voltage of electronic devices and ensure their proper operation. It provides reliable protection against undervoltage and overvoltage conditions.

Characteristics: - Voltage monitoring range: 0V to 5.5V - Adjustable reset threshold voltage - Low quiescent current consumption - Wide operating temperature range: -40°C to +85°C

Package: The MAX161ACWI+ is available in a small-sized, 28-pin wide SOIC (Small Outline Integrated Circuit) package.

Essence: This IC plays a crucial role in maintaining the stability and integrity of electronic systems by continuously monitoring the power supply voltage and generating appropriate reset signals when necessary.

Packaging/Quantity: The MAX161ACWI+ is typically sold in reels or tubes containing 250 units per package.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Reset Threshold Voltage Range: 1.2V to 4.63V
• Quiescent Current: 20µA (typical)
• Power-On Reset Delay: 100ms (typical)
• Reset Timeout Period: 140ms (typical)

Pin Configuration

The MAX161ACWI+ features a 28-pin wide SOIC package with the following pin configuration:

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Functional Features

1. Voltage Monitoring: The MAX161ACWI+ continuously monitors the power supply voltage and compares it with the user-adjustable threshold voltage.
2. Reset Generation: When the monitored voltage falls below or exceeds the set threshold, the IC generates a reset signal to ensure proper system operation.
3. Adjustable Threshold: The reset threshold voltage can be easily adjusted using external resistors, allowing flexibility in different applications.
4. Low Quiescent Current: The IC consumes minimal current during normal operation, minimizing power consumption and extending battery life.
5. Wide Operating Temperature Range: With an operating temperature range of -40°C to +85°C, the MAX161ACWI+ is suitable for various environmental conditions.

Advantages and Disadvantages

Advantages: - Accurate voltage monitoring ensures reliable system operation. - Adjustable threshold voltage allows customization for different applications. - Low quiescent current consumption minimizes power usage. - Wide operating temperature range enables use in diverse environments.

Disadvantages: - Limited pin configuration options may restrict certain circuit designs. - Requires additional external components (resistors) for threshold adjustment.

Working Principles

The MAX161ACWI+ operates by comparing the power supply voltage with the user-defined threshold voltage. If the voltage falls below or exceeds this threshold, the IC generates a reset signal to initiate system recovery or shutdown. This ensures that electronic devices are protected from undervoltage and overvoltage conditions, preventing potential damage or data loss.

Application Field Plans

The MAX161ACWI+ finds extensive application in various electronic systems where voltage monitoring and protection are critical. Some potential application fields include: - Power supply units - Microcontrollers - Industrial automation systems - Automotive electronics - Medical devices

Alternative Models

1. MAX160ACWI+: Similar to the MAX161ACWI+, but with a different pin configuration.
2. MAX162ACWI+: Offers additional features such as adjustable reset timeout period.
3. MAX163ACWI+: Provides multiple voltage monitoring channels for enhanced system protection.

These alternative models offer similar functionality to the MAX161ACWI+ and can be considered based on specific requirements and design constraints.

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