MAX161BEWI+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX161BEWI+ is a voltage supervisor IC that provides power supply monitoring and reset generation functions. It is designed to ensure proper operation of microprocessors, microcontrollers, and other digital systems by monitoring the power supply voltage and generating a reset signal when necessary.

Characteristics: - Voltage monitoring range: 0.8V to 5.5V - Adjustable reset threshold voltage - Low quiescent current consumption - Wide operating temperature range: -40°C to +85°C

Package: The MAX161BEWI+ is available in a small 16-pin SOIC (Small Outline Integrated Circuit) package.

Essence: The essence of the MAX161BEWI+ is its ability to monitor the power supply voltage and generate a reset signal to ensure reliable operation of digital systems.

Packaging/Quantity: The MAX161BEWI+ is typically sold in reels containing 250 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage Range: 0.4V to VCC - 0.2V
• Quiescent Current: 10µA (typical)
• Power-On Reset Delay: 100ms (typical)
• Reset Output Active Low
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX161BEWI+ features a 16-pin SOIC package with the following pin configuration:

Pin 1: GND (Ground) Pin 2: RESET (Reset Output) Pin 3: MR (Manual Reset Input) Pin 4: VCC (Supply Voltage) Pin 5: TH (Threshold Adjust) Pin 6: CT (Delay Capacitor) Pin 7: GND (Ground) Pin 8: GND (Ground) Pin 9: GND (Ground) Pin 10: GND (Ground) Pin 11: GND (Ground) Pin 12: GND (Ground) Pin 13: GND (Ground) Pin 14: GND (Ground) Pin 15: GND (Ground) Pin 16: VCC (Supply Voltage)

Functional Features

The MAX161BEWI+ offers the following functional features:

1. Power Supply Monitoring: The IC continuously monitors the power supply voltage and compares it with the user-adjustable threshold voltage.
2. Reset Generation: When the power supply voltage falls below the threshold voltage, the IC generates a reset signal to initiate a system reset.
3. Manual Reset Input: The MR pin allows for manual initiation of a system reset by pulling it low.
4. Adjustable Threshold: The TH pin enables the user to adjust the threshold voltage according to the specific requirements of the system.

Advantages and Disadvantages

Advantages: - Wide operating voltage range - Adjustable reset threshold voltage - Low quiescent current consumption - Small package size - Reliable power supply monitoring

Disadvantages: - Lack of built-in protection features against voltage spikes or transients - Limited number of available alternative models

Working Principles

The MAX161BEWI+ operates by comparing the power supply voltage with the user-adjustable threshold voltage. If the power supply voltage drops below the threshold voltage, indicating a potential power loss or instability, the IC generates a reset signal. This reset signal can be used to initiate a system reset, ensuring proper operation and preventing data corruption.

The adjustable threshold voltage allows the user to set the desired voltage level at which the reset signal should be generated. This flexibility enables compatibility with various microprocessors and digital systems.

Application Field Plans

The MAX161BEWI+ finds applications in a wide range of electronic systems where reliable power supply monitoring and reset generation are crucial. Some potential application fields include:

1. Microcontrollers: The IC ensures proper operation of microcontroller-based systems by monitoring the power supply voltage and generating a reset signal when necessary.
2. Embedded Systems: It is suitable for embedded systems that require reliable power supply monitoring to prevent data corruption or system malfunction.
3. Industrial Automation: The IC can be used in industrial automation systems to ensure uninterrupted operation and prevent damage due to power supply fluctuations.
4. Automotive Electronics: It finds applications in automotive electronics, providing power supply monitoring and reset generation functions for critical systems.

Alternative Models

While the MAX161BEWI+ is a reliable voltage supervisor IC, there are alternative models available in the market that offer similar functionality. Some alternative models worth considering include:

1. MAX16050
2. ADM6315
3. TPS3808

These alternative models provide comparable features and can be evaluated based on specific requirements and system compatibility.

In conclusion, the MAX161BEWI+