MAX6454UT16S+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, high-accuracy, small form factor
• Package: SOT-23-6
• Essence: Monitors voltage levels and provides reset signals
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Options: 2.63V, 3.08V, 3.45V, 4.63V
• Reset Timeout Period: 140ms, 560ms, 1120ms, 2240ms
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1.5µA (typical)

Detailed Pin Configuration

The MAX6454UT16S+T IC has a total of six pins arranged in the following configuration:

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Pin Number | Pin Name | Description --- | --- | --- 1 | GND | Ground 2 | RESET | Active-Low Reset Output 3 | MR | Manual Reset Input 4 | VCC | Supply Voltage 5 | TH | Threshold Selection Input 6 | CT | Capacitor Connection Terminal

Functional Features

• Monitors the supply voltage and generates a reset signal when it falls below the selected threshold.
• Provides manual reset capability through the MR pin.
• Offers multiple threshold options for flexibility in different applications.
• Low quiescent current makes it suitable for battery-powered devices.
• Small form factor package enables space-constrained designs.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - Accurate reset threshold options ensure reliable operation. - Low power consumption extends battery life. - Small package size enables compact designs.

Disadvantages: - Limited number of threshold options may not cover all voltage requirements. - Lack of adjustable timeout period may restrict certain applications.

Working Principles

The MAX6454UT16S+T operates by continuously monitoring the supply voltage. When the voltage falls below the selected threshold, the IC asserts the RESET pin low, indicating a reset condition. The manual reset input (MR) can also be used to force a reset regardless of the voltage level. The CT pin is connected to an external capacitor to set the reset timeout period. The IC remains in a low-power state during normal operation, consuming minimal current.

Detailed Application Field Plans

The MAX6454UT16S+T is commonly used in various applications where voltage supervision and reset generation are critical. Some specific application fields include:

1. Microcontroller Systems: Ensures proper system initialization and prevents erratic behavior during power-up or brownout conditions.
2. Industrial Control Systems: Provides reliable reset signals to microcontrollers, ensuring stable operation in harsh industrial environments.
3. Automotive Electronics: Monitors automotive power supplies, preventing malfunctions and ensuring safe operation of electronic control units.
4. Battery-Powered Devices: Maximizes battery life by initiating a reset when the voltage drops below a specified level, preventing damage to sensitive components.

Detailed and Complete Alternative Models

1. MAX6455UT16S+T: Similar to MAX6454UT16S+T but with additional features such as adjustable timeout period and more threshold options.
2. MAX6456UT16S+T: Offers similar functionality to MAX6454UT16S+T but in a different package (SOT-23-5) with reduced pin count.
3. MAX6457UT16S+T: Provides voltage supervision and reset generation with extended temperature range (-40°C to +125°C) for demanding applications.

These alternative models offer similar functionality to the MAX6454UT16S+T but may have additional features or variations in package options to suit specific requirements.

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