MAX816CSA+TG002

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics:
  • Monitors the power supply voltage and generates a reset signal when the voltage falls below a specified threshold.
  • Provides reliable power-on reset (POR) for microcontrollers, microprocessors, and other digital systems.
  • Ensures proper system initialization and prevents erratic behavior during power-up or brownout conditions.
• Package: SOIC-8 (Small Outline Integrated Circuit)
• Essence: Voltage monitoring and reset generation
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Reset Threshold Options: 4.63V, 4.38V, 4.00V, 3.08V, 2.93V, 2.63V, 2.32V, 2.06V
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. GND: Ground
2. RESET: Active-Low Reset Output
3. MR: Manual Reset Input
4. VCC: Positive Power Supply
5. TH: Threshold Selection Input
6. NC: No Connection
7. NC: No Connection
8. NC: No Connection

Functional Features

• Monitors the power supply voltage continuously.
• Generates a reset signal when the voltage drops below the selected threshold.
• Reset signal remains active until the voltage rises above the threshold and the timeout period elapses.
• Provides manual reset capability through the MR pin.

Advantages

• Reliable power-on reset functionality ensures proper system initialization.
• Prevents erratic behavior of digital systems during power-up or brownout conditions.
• Wide supply voltage range allows compatibility with various power sources.
• Multiple threshold options provide flexibility for different applications.
• Manual reset input allows external control over the reset signal.

Disadvantages

• Limited to voltage monitoring and reset generation functionality.
• Not suitable for applications requiring complex supervisory functions.

Working Principles

The MAX816CSA+TG002 operates by comparing the power supply voltage with a selected threshold voltage. When the supply voltage falls below the threshold, the reset output is activated, indicating a low-voltage condition. The reset signal remains active until the supply voltage rises above the threshold and the timeout period elapses. The manual reset input can be used to override the automatic reset function.

Detailed Application Field Plans

• Microcontrollers and microprocessors
• Digital systems requiring reliable power-on reset
• Battery-powered devices
• Embedded systems
• Industrial control systems

Detailed and Complete Alternative Models

1. MAX809: Voltage Supervisors with Push-Pull Output
2. MAX811: Voltage Supervisors with Open-Drain Output
3. MAX813: Voltage Supervisors with Adjustable Reset Timeout

(Note: This list is not exhaustive and other alternative models may exist.)

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