MAX6427AGUR+T

Product Overview

• Category: Integrated Circuits (ICs)
• Use: Voltage Supervisors
• Characteristics: Low Power, Precision, Adjustable Threshold
• Package: 16-TSSOP (0.173", 4.40mm Width)
• Essence: This product is a voltage supervisor IC that monitors the power supply voltage and provides a reset signal to the microcontroller or other digital systems when the voltage falls below a certain threshold.
• Packaging/Quantity: Tape & Reel (TR) Packaging, 2500 pieces per reel

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Reset Threshold Voltage Options: 2.5V, 3.0V, 3.3V, 5.0V
• Reset Timeout Period Options: 140ms, 560ms, 1120ms, 2240ms
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1µA (typical)

Detailed Pin Configuration

The MAX6427AGUR+T has a 16-pin TSSOP package with the following pin configuration:

1. GND (Ground)
2. RESET (Reset Output)
3. MR (Manual Reset Input)
4. VCC (Supply Voltage)
5. TH (Threshold Voltage Selection)
6. CT (Reset Timeout Period Selection)
7. NC (No Connection)
8. NC (No Connection)
9. NC (No Connection)
10. NC (No Connection)
11. NC (No Connection)
12. NC (No Connection)
13. NC (No Connection)
14. NC (No Connection)
15. NC (No Connection)
16. NC (No Connection)

Functional Features

• Monitors the power supply voltage and generates a reset signal when the voltage drops below the selected threshold.
• Adjustable threshold voltage and reset timeout period options provide flexibility for different applications.
• Manual reset input allows for external control of the reset signal.
• Low quiescent current ensures minimal power consumption.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - Adjustable threshold voltage and reset timeout period offer customization. - Low power consumption prolongs battery life in portable devices.

Disadvantages: - Limited number of available pin configurations. - No built-in hysteresis feature for noise immunity.

Working Principles

The MAX6427AGUR+T operates by comparing the supply voltage with the selected threshold voltage. When the supply voltage falls below the threshold, the reset output is activated, providing a low signal to the microcontroller or digital system. The reset signal remains active until the supply voltage rises above the threshold or a manual reset input is triggered.

Detailed Application Field Plans

The MAX6427AGUR+T is commonly used in various applications where reliable voltage monitoring and system reset functionality are required. Some potential application fields include:

1. Battery-Powered Devices: Ensures proper operation and prevents data corruption when the battery voltage drops below a safe level.
2. Industrial Control Systems: Provides fault detection and system recovery capabilities in critical industrial automation applications.
3. Automotive Electronics: Monitors the vehicle's power supply and triggers a system reset in case of voltage fluctuations or failures.
4. Medical Equipment: Safeguards sensitive medical devices by resetting them when the power supply becomes unstable.
5. Home Automation: Enhances the reliability of smart home systems by detecting power supply issues and initiating appropriate actions.

Detailed and Complete Alternative Models

1. MAX6412UK16-T: Similar voltage supervisor IC with a 16-pin SOT23 package.
2. MAX6389XS26D3-T: Voltage supervisor IC with adjustable threshold voltage and reset timeout period in a 6-pin SOT23 package.
3. MAX6730AUTYD3-T: Precision voltage supervisor IC with ultra-low quiescent current in a 6-pin SOT23 package.

(Note: This is not an exhaustive list of alternative models, but provides a few examples.)

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