MAX6831SHUT/GG8

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, precision voltage monitoring
• Package: SOT-23-6
• Essence: Provides accurate monitoring and reset generation for microprocessors and other digital systems.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.5V, 3.0V, 3.3V, 5.0V
• Reset Timeout Period: Adjustable or Fixed (140ms, 280ms, 560ms, 1120ms)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6831SHUT/GG8 has a total of six pins arranged as follows:

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

Functional Features

• Accurate Voltage Monitoring: The MAX6831SHUT/GG8 ensures precise monitoring of the supply voltage, providing reliable reset generation when the voltage falls below the specified threshold.
• Adjustable Reset Timeout: The device allows users to configure the reset timeout period according to their specific application requirements.
• Manual Reset Input: The MR pin enables manual reset functionality, allowing users to initiate a system reset externally.
• Open-Drain Reset Output: The open-drain RESET# pin provides flexibility in connecting multiple devices together for combined reset functionality.

Advantages and Disadvantages

Advantages: - Low-power operation, suitable for battery-powered applications. - Wide supply voltage range allows compatibility with various systems. - Adjustable reset timeout period offers flexibility in different scenarios. - Manual reset input provides additional control over the reset function. - Open-drain reset output enables easy integration with other devices.

Disadvantages: - Limited threshold voltage options may not cover all voltage requirements. - SOT-23-6 package may have size limitations for certain applications.

Working Principles

The MAX6831SHUT/GG8 operates by continuously monitoring the supply voltage using an internal voltage reference and comparator. When the voltage falls below the selected threshold, the device asserts the active-low RESET signal. The reset remains asserted until the voltage rises above the threshold or the specified timeout period elapses. The manual reset input allows users to initiate a reset externally, overriding the automatic monitoring.

Detailed Application Field Plans

The MAX6831SHUT/GG8 finds application in various fields, including but not limited to: - Microprocessor-based systems - Embedded systems - Industrial control systems - Portable electronic devices - Battery-powered applications

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MAX6831SHUT/GG8 include: - MAX6816: Voltage supervisor with adjustable reset timeout and manual reset input. - MAX6820: Low-power microprocessor reset circuit with fixed reset timeout. - MAX6384: Precision voltage monitor with adjustable threshold voltage options.

These alternative models provide options for different voltage ranges, reset timeout periods, and package options, allowing users to select the most suitable solution for their specific requirements.

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