MAX16081UR29O+T

Product Overview

• Category: Integrated Circuits (ICs)
• Use: Voltage Supervisors
• Characteristics: Low Power, Precision, Reset Timer
• Package: SOT-23-5
• Essence: This product is a voltage supervisor IC that monitors the power supply voltage of a system and provides a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: Tape & Reel, 3000 pieces per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage Options: 2.93V, 3.08V, 3.30V, 4.38V
• Reset Timeout Period Options: 140ms, 560ms, 1120ms, 2240ms
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX16081UR29O+T has a total of 5 pins:

1. GND: Ground connection
2. RESET: Active-low reset output
3. MR: Manual reset input
4. VCC: Positive power supply input
5. TH: Threshold voltage selection pin

Functional Features

• Precision Monitoring: The MAX16081UR29O+T accurately monitors the power supply voltage with a low voltage threshold deviation.
• Reset Timer: It includes an adjustable reset timeout period, allowing customization based on specific application requirements.
• Manual Reset: The manual reset input (MR) allows for immediate system reset when triggered externally.
• Low Power Consumption: The IC operates with low quiescent current, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - Precise voltage monitoring ensures reliable system operation. - Adjustable reset timeout period offers flexibility in different applications. - Manual reset capability allows for external control. - Low power consumption extends battery life.

Disadvantages: - Limited number of threshold voltage and reset timeout period options. - SOT-23-5 package may not be suitable for all PCB layouts.

Working Principles

The MAX16081UR29O+T operates by continuously monitoring the power supply voltage. When the voltage falls below the selected threshold, the reset output is activated, indicating a system reset. The reset signal remains active until the voltage rises above the threshold or a manual reset is triggered.

Detailed Application Field Plans

The MAX16081UR29O+T is commonly used in various applications where reliable voltage monitoring and system reset functionality are required. Some specific application fields include:

1. Microcontrollers: Ensuring proper operation and reset during power fluctuations.
2. Industrial Control Systems: Monitoring power supply integrity in critical equipment.
3. Automotive Electronics: Providing reset functionality for safety-critical systems.
4. Battery-Powered Devices: Preventing damage due to low voltage conditions.

Detailed and Complete Alternative Models

1. MAX16080UR29O+T: Similar to MAX16081UR29O+T but with different threshold voltage options.
2. MAX16082UR29O+T: Similar to MAX16081UR29O+T but with additional features like watchdog timer.
3. MAX16083UR29O+T: Voltage supervisor IC with adjustable reset timeout period and higher voltage range.

These alternative models offer similar functionality with slight variations to cater to different application requirements.

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