MAX6450UT46L+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, precision voltage monitoring
• Package: SOT-23-6
• Essence: Monitors power supply voltages and provides reset signals
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.5V to 5.5V
• Threshold Voltage Options: 2.93V, 3.08V, 3.63V, 4.38V
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1.5µA (typical)

Pin Configuration

The MAX6450UT46L+T has a total of 6 pins arranged as follows:

____ VCC| |GND RST| |MR GND| |TH ___|____|___

• VCC: Power Supply Input
• GND: Ground
• RST: Reset Output
• MR: Manual Reset Input
• TH: Threshold Voltage Selection

Functional Features

• Monitors the power supply voltage and asserts the reset output when it falls below the threshold voltage.
• Provides a manual reset input for immediate system reset.
• Offers multiple threshold voltage options for flexibility in different applications.
• Low quiescent current ensures minimal power consumption.

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows compatibility with various systems.
• Precision voltage monitoring ensures reliable operation.
• Small package size enables space-saving designs.
• Low quiescent current prolongs battery life in portable applications.

Disadvantages

• Limited threshold voltage options may not cover all voltage monitoring requirements.
• Reset timeout period may not be adjustable, limiting customization options.

Working Principles

The MAX6450UT46L+T operates by continuously monitoring the power supply voltage using an internal voltage reference. When the voltage falls below the selected threshold voltage, the reset output is asserted, indicating a power failure or low voltage condition. The manual reset input allows for immediate system reset, overriding the voltage monitoring function.

Detailed Application Field Plans

The MAX6450UT46L+T finds applications in various fields where precise voltage monitoring and reliable reset signals are required. Some potential application areas include:

1. Battery-powered devices: Ensures proper shutdown or system reset when the battery voltage drops below a safe level.
2. Industrial control systems: Provides fault detection and system reset capabilities in critical control applications.
3. Automotive electronics: Monitors vehicle power supply voltages to prevent damage to sensitive electronic components during voltage fluctuations.
4. Medical equipment: Ensures reliable operation and patient safety by monitoring power supply voltages in medical devices.

Detailed and Complete Alternative Models

1. MAX6451UT46L+T: Similar to MAX6450UT46L+T but with additional features such as adjustable reset timeout period.
2. MAX6452UT46L+T: Voltage supervisor IC with higher threshold voltage options for specific applications.
3. MAX6453UT46L+T: Low-power voltage monitor with integrated watchdog timer for enhanced system reliability.

These alternative models offer similar functionality to the MAX6450UT46L+T but may have additional features or different specifications to suit specific application requirements.

In conclusion, the MAX6450UT46L+T is a voltage supervisor IC that provides precise voltage monitoring and reset signal generation. Its small package size, low power consumption, and multiple threshold voltage options make it suitable for a wide range of applications.