MAX6446UK46L+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor
• Characteristics: Low-power, Precision, Adjustable Threshold
• Package: SOT23-5
• Essence: Monitors voltage levels and provides an output signal based on the threshold set by the user.
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Range: 0.4V to VDD - 0.1V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1µA (typical)
• Output Type: Active-Low, Open-Drain
• Accuracy: ±1.5% (typical)

Detailed Pin Configuration

The MAX6446UK46L+T has a total of five pins:

1. GND: Ground connection
2. IN: Input pin for monitoring the voltage level
3. SET: Pin to set the threshold voltage
4. OUT: Output pin that provides the monitored voltage status
5. VDD: Power supply input

Functional Features

• Monitors the voltage level at the IN pin continuously
• Provides an active-low output signal at the OUT pin when the voltage falls below the threshold set by the SET pin
• Adjustable threshold voltage allows customization for different applications
• Low quiescent current ensures minimal power consumption
• Open-drain output allows easy interfacing with other devices

Advantages and Disadvantages

Advantages

• Wide supply voltage range enables compatibility with various systems
• Adjustable threshold voltage provides flexibility in voltage monitoring
• Low quiescent current prolongs battery life in portable applications
• Small SOT23-5 package saves board space

Disadvantages

• Limited accuracy compared to more precise voltage monitoring ICs
• Open-drain output requires an external pull-up resistor for proper signal interpretation

Working Principles

The MAX6446UK46L+T operates by comparing the voltage at the IN pin with the threshold voltage set by the SET pin. When the voltage at the IN pin falls below the threshold, the OUT pin is pulled low, indicating a low-voltage condition. The threshold voltage can be adjusted using an external resistor divider connected to the SET pin.

Detailed Application Field Plans

The MAX6446UK46L+T finds applications in various fields, including:

1. Battery-Powered Devices: Monitoring battery voltage to prevent over-discharge and ensure safe operation.
2. Power Management Systems: Detecting undervoltage conditions to trigger appropriate actions such as shutdown or switching to backup power.
3. Industrial Control Systems: Monitoring critical voltage levels in industrial equipment to prevent damage or malfunction.
4. Automotive Electronics: Voltage monitoring in automotive systems to ensure reliable operation and prevent damage to sensitive components.

Detailed and Complete Alternative Models

1. MAX6446UK46L+T: The specific model discussed in this entry.
2. MAX6447UK46L+T: Similar to MAX6446UK46L+T but with a different threshold voltage range.
3. MAX6448UK46L+T: Higher accuracy version of the MAX6446UK46L+T with ±0.5% accuracy.
4. MAX6449UK46L+T: Adjustable threshold voltage monitor with additional features like hysteresis and watchdog timer.

(Note: This list is not exhaustive and there may be other alternative models available from the manufacturer.)

This entry provides an overview of the MAX6446UK46L+T voltage monitor IC, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.