MAX16081XR30Q+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics: Low-power, low-voltage operation
• Package: 6-pin SOT23
• Essence: Provides voltage monitoring and reset functions for microcontrollers and other digital systems
• 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, 3.45V, 4.63V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1.5µA (typical)
• Reset Timeout Period: 140ms (typical)

Pin Configuration

The MAX16081XR30Q+T has the following pin configuration:

1. GND: Ground connection
2. MR: Manual Reset input
3. RESET: Active-low Reset output
4. VCC: Positive supply voltage
5. TH: Threshold voltage selection
6. NC: No connection

Functional Features

• Voltage Monitoring: Monitors the supply voltage and asserts the reset signal when it falls below the threshold voltage.
• Manual Reset: Allows external control of the reset function through the MR pin.
• Reset Output: Provides an active-low reset signal to the microcontroller or digital system.
• Adjustable Threshold Voltage: The TH pin allows selection of different threshold voltage options.

Advantages and Disadvantages

Advantages: - Low-power operation extends battery life in portable applications. - Wide supply voltage range enables compatibility with various systems. - Small package size saves board space.

Disadvantages: - Limited threshold voltage options may not suit all applications. - Lack of additional features like hysteresis or adjustable timeout period.

Working Principles

The MAX16081XR30Q+T operates by continuously monitoring the supply voltage. When the voltage falls below the selected threshold voltage, the reset output is asserted low, indicating a system reset. The reset signal remains active until the supply voltage rises above the threshold voltage and a timeout period elapses. The manual reset input allows external control of the reset function, overriding the voltage monitoring.

Detailed Application Field Plans

• Microcontroller Systems: Provides reliable reset functionality for microcontrollers, ensuring proper initialization and system stability.
• Digital Systems: Suitable for various digital systems that require voltage monitoring and reset capabilities, such as FPGA-based designs, embedded systems, and IoT devices.
• Battery-Powered Devices: Ideal for applications powered by batteries, where low-power operation and extended battery life are crucial.

Detailed and Complete Alternative Models

1. MAX16080XR21Q+T: Similar to MAX16081XR30Q+T but with a different threshold voltage range (2.08V, 2.21V, 2.45V, 3.08V).
2. MAX16082XR33Q+T: Similar to MAX16081XR30Q+T but with a different threshold voltage range (3.08V, 3.23V, 3.63V, 4.83V).
3. MAX16083XR46Q+T: Similar to MAX16081XR30Q+T but with a different threshold voltage range (4.46V, 4.63V, 5.18V, 6.88V).

These alternative models offer different threshold voltage options to suit specific application requirements.

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