MAX691ACSE+G002

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics:
  • Monitors the power supply voltage of a system and generates a reset signal when the voltage drops below a certain threshold.
  • Provides a reliable way to ensure proper system initialization and prevent erratic behavior due to insufficient power supply.
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Voltage monitoring and reset functionality in a compact IC package.
• Packaging/Quantity: Comes in a reel packaging with 2500 units per reel.

Specifications

• Supply Voltage Range: 3V to 5.5V
• Threshold Voltage Options: 4.65V, 4.75V, 4.85V, 4.95V, or adjustable
• Reset Timeout Period: 140ms (min) or adjustable
• Operating Temperature Range: -40°C to +85°C
• Output Type: Active-Low Push-Pull or Open-Drain

Pin Configuration

The MAX691ACSE+G002 IC has the following pin configuration:

1. VCC: Power Supply Input
2. GND: Ground
3. MR: Manual Reset Input
4. RESET: Reset Output
5. RESET: Reset Output (Duplicate)
6. GND: Ground (Duplicate)
7. VCC: Power Supply Input (Duplicate)

Functional Features

• Monitors the power supply voltage continuously.
• Generates a reset signal when the voltage drops below the set threshold.
• Provides a manual reset input for immediate system reset.
• Offers options for adjustable threshold voltage and reset timeout period.
• Can be configured for active-low push-pull or open-drain output.

Advantages and Disadvantages

Advantages: - Ensures proper system initialization by monitoring power supply voltage. - Prevents erratic behavior caused by insufficient power supply. - Compact and easy to integrate into various electronic systems. - Offers flexibility with adjustable threshold voltage and reset timeout period.

Disadvantages: - Limited to voltage monitoring and reset functionality. - Requires an external power supply for operation.

Working Principles

The MAX691ACSE+G002 operates by continuously monitoring the power supply voltage. When the voltage drops below the set threshold, it generates a reset signal. This reset signal can be used to initialize the system or trigger specific actions based on the application requirements. The IC also provides a manual reset input for immediate system reset when required.

Detailed Application Field Plans

The MAX691ACSE+G002 is commonly used in various electronic systems where reliable power supply monitoring and reset functionality are essential. Some of the application fields include:

1. Microcontrollers and Microprocessors: Ensures proper initialization and prevents erratic behavior during power-up or voltage fluctuations.
2. Industrial Control Systems: Provides reliable reset functionality to ensure stable operation and prevent system malfunctions.
3. Embedded Systems: Enables safe and controlled system restart after power loss or voltage drop.
4. Communication Equipment: Ensures uninterrupted operation by resetting the system when power supply issues occur.
5. Automotive Electronics: Monitors the vehicle's power supply and triggers a reset if voltage drops below a critical level.

Detailed and Complete Alternative Models

1. MAX809: Voltage Monitor and Reset Circuit with Adjustable Threshold and Timeout Period.
2. MAX1232: Precision Voltage Monitor and Reset Circuit with Adjustable Threshold and Timeout Period.
3. MAX811: Voltage Monitor and Reset Circuit with Fixed Threshold and Adjustable Timeout Period.
4. MAX705: Voltage Monitor and Reset Circuit with Fixed Threshold and Timeout Period.
5. MAX638: Voltage Monitor and Reset Circuit with Adjustable Threshold and Fixed Timeout Period.

These alternative models offer similar voltage monitoring and reset functionality, but with different features and specifications to cater to various application requirements.

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