MAX811SEUS+TG069

Product Overview

• Category: Integrated Circuits (ICs)
• Use: Voltage Supervisors
• Characteristics:
  • Low Power Consumption
  • Precision Monitoring of Supply Voltages
  • Manual Reset Input
  • Active-High, Push-Pull RESET Output
  • Watchdog Timer
• Package: SOT-143
• Essence: Voltage Supervisor with Watchdog Timer
• Packaging/Quantity: Tape & Reel (3000 pieces)

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Threshold Voltage Options: 2.93V, 3.08V, 3.63V, 4.38V
• Operating Temperature Range: -40°C to +85°C
• Watchdog Timeout Period: 1.6s (typical)
• Manual Reset Input Threshold Voltage: 0.8V (typical)
• Quiescent Current: 7µA (typical)

Detailed Pin Configuration

1. GND: Ground
2. MR: Manual Reset Input
3. VCC: Supply Voltage
4. RESET: Active-High, Push-Pull RESET Output

Functional Features

• Monitors the supply voltage and asserts a reset signal when it falls below a specified threshold.
• Provides a manual reset input for immediate system reset.
• Generates an active-high, push-pull RESET output.
• Includes a watchdog timer to detect system malfunctions and initiate a reset if necessary.

Advantages

• Low power consumption helps conserve energy in battery-powered applications.
• Precision monitoring ensures reliable operation by preventing the system from operating outside safe voltage levels.
• Manual reset input allows for easy system restarts when needed.
• Active-high, push-pull RESET output provides a strong and reliable signal to other components.
• Watchdog timer enhances system reliability by detecting and recovering from malfunctions.

Disadvantages

• Limited threshold voltage options may not cover all possible supply voltage requirements.
• SOT-143 package may not be suitable for applications with space constraints.

Working Principles

The MAX811SEUS+TG069 is a voltage supervisor IC that continuously monitors the supply voltage. It compares the voltage against a specified threshold and asserts a reset signal when the voltage falls below this threshold. The manual reset input allows for immediate system restarts, while the active-high, push-pull RESET output provides a strong signal to other components.

Additionally, the MAX811SEUS+TG069 includes a watchdog timer that detects system malfunctions. If the system fails to toggle the watchdog input within a specified timeout period, the IC initiates a reset to recover the system.

Detailed Application Field Plans

The MAX811SEUS+TG069 is commonly used in various applications where reliable voltage monitoring and system reset functionality are required. Some potential application fields include:

1. Microcontrollers: Ensuring stable operation of microcontroller-based systems by monitoring the supply voltage and initiating a reset if necessary.
2. Industrial Control Systems: Providing voltage supervision and reset capabilities in industrial control systems to prevent damage or data corruption during power fluctuations.
3. Automotive Electronics: Enhancing the reliability of automotive electronics by monitoring the supply voltage and resetting the system in case of voltage drops or malfunctions.
4. Battery-Powered Devices: Conserving battery power by monitoring the voltage and initiating a reset when the battery voltage reaches critical levels.
5. Embedded Systems: Facilitating reliable operation of embedded systems by monitoring the supply voltage and recovering from malfunctions using the watchdog timer.

Detailed and Complete Alternative Models

1. MAX809SEUR+: Voltage Supervisor with Manual Reset Input
2. MAX813LESA+: Voltage Supervisor with Adjustable Threshold Voltage
3. MAX810SEUR+: Voltage Supervisor with Watchdog Timer and Manual Reset Input
4. MAX812SEUS+: Voltage Supervisor with Active-Low, Open-Drain RESET Output

These alternative models offer similar functionality to the MAX811SEUS+TG069 but may have different package options, threshold voltage ranges, or additional features based on specific application requirements.

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