MAX706TCSA+TG104

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, microprocessor reset circuit
• Package: Surface Mount Technology (SMT)
• Essence: Monolithic CMOS Microprocessor Supervisory Circuits
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.0V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Reset Threshold Voltage Options: 2.63V, 3.08V, 4.38V
• Active-Low Push-Pull RESET Output
• Manual Reset Input
• Power-On Reset Delay Time: 140ms (typical)
• Watchdog Timer Timeout Period: 1.6s (typical)

Detailed Pin Configuration

The MAX706TCSA+TG104 has a total of 8 pins:

1. VCC: Supply Voltage Input
2. GND: Ground
3. MR: Manual Reset Input
4. RESET: Active-Low Push-Pull Reset Output
5. WDI: Watchdog Timer Input
6. GND: Ground
7. RESET: Active-Low Push-Pull Reset Output
8. VCC: Supply Voltage Input

Functional Features

• Monitors the power supply voltage and asserts a reset signal to the microprocessor when the voltage falls below a specified threshold.
• Provides a manual reset input for external system reset control.
• Includes a watchdog timer that generates a reset signal if the microprocessor fails to toggle the watchdog input within a specified timeout period.

Advantages and Disadvantages

Advantages: - Low-power consumption - Wide supply voltage range - Small package size - Easy integration into various electronic systems

Disadvantages: - Limited number of reset threshold voltage options - Lack of additional advanced features compared to some other voltage supervisor ICs

Working Principles

The MAX706TCSA+TG104 operates by continuously monitoring the supply voltage. When the voltage drops below the specified threshold, the IC asserts a reset signal to the microprocessor, ensuring proper system operation. The manual reset input allows for external control over the reset function. Additionally, the watchdog timer feature helps prevent system lock-ups by generating a reset signal if the microprocessor fails to toggle the watchdog input within the defined timeout period.

Detailed Application Field Plans

The MAX706TCSA+TG104 is commonly used in various electronic systems where reliable power supply monitoring and microprocessor reset functionality are required. Some application fields include:

1. Embedded Systems: Used to ensure stable operation and prevent data corruption in microcontroller-based embedded systems.
2. Industrial Automation: Provides critical reset functionality in industrial control systems to maintain system integrity and prevent malfunctions.
3. Automotive Electronics: Ensures proper functioning of microprocessors in automotive applications, such as engine control units and safety systems.
4. Medical Devices: Used to monitor power supply voltages and reset microprocessors in medical equipment, ensuring patient safety and device reliability.

Detailed and Complete Alternative Models

1. MAX705ESA+: Similar to MAX706TCSA+TG104 but with different package type (8-pin SOIC).
2. MAX707ESA+: Voltage supervisor IC with adjustable reset threshold voltage options and active-high RESET output.
3. MAX809SEUR+: Microprocessor supervisory circuit with a fixed 3.08V reset threshold voltage and open-drain RESET output.

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