MAX6446UK29L+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, precision voltage monitoring
• Package: SOT23-5
• Essence: Monitors the voltage level of a system and provides a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.9V
• Reset Timeout Period: Adjustable or fixed options available
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 3µA (typical)

Detailed Pin Configuration

The MAX6446UK29L+T has a SOT23-5 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)

Functional Features

• Monitors the supply voltage and generates a reset signal when it drops below the threshold voltage.
• Provides a manual reset input for immediate system reset.
• Offers adjustable or fixed reset timeout period options.
• Low quiescent current consumption for power-sensitive applications.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - Precision voltage monitoring ensures reliable operation. - Adjustable reset timeout period offers flexibility in different applications. - Low quiescent current minimizes power consumption.

Disadvantages: - Limited threshold voltage options may not suit all voltage monitoring requirements. - SOT23-5 package may not be suitable for all PCB layouts.

Working Principles

The MAX6446UK29L+T operates by continuously monitoring the supply voltage using an internal voltage reference. When the voltage falls below the threshold voltage, the reset output is activated, signaling a system reset. The manual reset input allows for immediate system reset when required. The reset timeout period can be adjusted or fixed depending on the specific model.

Detailed Application Field Plans

The MAX6446UK29L+T finds applications in various fields, including:

1. Battery-powered devices: Ensures proper functioning and prevents damage due to low battery voltage.
2. Embedded systems: Provides reliable reset functionality during power-up and power-down sequences.
3. Industrial automation: Monitors supply voltage to prevent malfunctions and ensure safe operation.
4. Automotive electronics: Protects sensitive components from voltage fluctuations and ensures stable operation.
5. Consumer electronics: Enables graceful shutdown and restart during power interruptions.

Detailed and Complete Alternative Models

1. MAX6446UK29LT+: Similar to MAX6446UK29L+T but without tape and reel packaging.
2. MAX6446UK29LWT+: Same as MAX6446UK29L+T but with a different package (WLP-5).
3. MAX6446UK29LY+: Offers a different threshold voltage option (2.7V) while maintaining similar specifications.
4. MAX6446UK29LZ+: Provides a fixed reset timeout period of 140ms, suitable for specific applications.

(Note: This is not an exhaustive list; there may be other alternative models available.)

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