MAX6454UT31S+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, high-accuracy, small package size
• Package: SOT23-3
• 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
• Reset Threshold Options: 2.93V, 3.08V, 3.30V, 3.63V
• Reset Timeout Period: 140ms, 280ms, 560ms, 1120ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6454UT31S+T has three pins:

1. VCC: Connects to the positive supply voltage.
2. GND: Connects to the ground or negative supply voltage.
3. RESET: Output pin that provides a reset signal when the monitored voltage falls below the threshold.

Functional Features

• Monitors the supply voltage and generates a reset signal when it drops below the specified threshold.
• Provides a fixed timeout period before releasing the reset signal.
• Low quiescent current consumption, making it suitable for battery-powered applications.
• High accuracy in voltage monitoring, ensuring reliable system operation.

Advantages and Disadvantages

Advantages: - Small package size allows for space-saving designs. - Wide supply voltage range enables compatibility with various systems. - Multiple reset threshold and timeout options provide flexibility for different applications.

Disadvantages: - Limited number of reset threshold and timeout combinations available. - Not suitable for high-voltage applications due to its maximum supply voltage limitation.

Working Principles

The MAX6454UT31S+T operates by continuously monitoring the supply voltage connected to the VCC pin. When the voltage falls below the specified threshold, the RESET pin is asserted, indicating a low-voltage condition. The reset signal remains active for the duration of the timeout period, allowing the system to stabilize before resuming normal operation.

Detailed Application Field Plans

The MAX6454UT31S+T finds applications in various fields, including:

1. Battery-Powered Devices: It ensures proper functioning by monitoring the battery voltage and initiating a reset if it drops below the threshold.
2. Microcontroller Systems: It provides a reliable reset signal to microcontrollers during power-up or voltage fluctuations, preventing erratic behavior.
3. Industrial Control Systems: It helps maintain stable operation by monitoring the power supply voltage and resetting the system if necessary.
4. Automotive Electronics: It ensures the integrity of critical systems by monitoring the vehicle's electrical supply and initiating a reset if needed.

Detailed and Complete Alternative Models

1. MAX6455UT31S+T: Similar to MAX6454UT31S+T but with different reset threshold options.
2. MAX6456UT31S+T: Offers additional features such as adjustable reset timeout period.
3. MAX6457UT31S+T: Provides higher accuracy in voltage monitoring with tighter tolerances.

These alternative models offer similar functionality to the MAX6454UT31S+T but may have specific differences in terms of reset thresholds, timeout periods, or additional features.

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