MAX6831WIUT+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, high-accuracy voltage monitoring
• Package: SOT23-6
• Essence: Ensures reliable power supply in electronic systems
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.5V to 5.5V
• Threshold Voltage Options: 2.5V, 3.0V, 3.3V, 5.0V
• Reset Timeout Period: Adjustable or fixed options
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1.5µA (typical)

Detailed Pin Configuration

The MAX6831WIUT+T features a SOT23-6 package with the following pin configuration:

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

Functional Features

• Accurate Voltage Monitoring: The MAX6831WIUT+T ensures precise monitoring of the supply voltage, preventing system malfunctions due to undervoltage or overvoltage conditions.
• Reset Output: The active-low reset output provides a signal to the system when the monitored voltage falls below the threshold level.
• Manual Reset Input: The manual reset input allows for external control of the reset function.
• Adjustable/Fixed Timeout Period: The reset timeout period can be adjusted using an external capacitor or set to a fixed value, providing flexibility based on application requirements.
• Low Power Consumption: With a quiescent current of only 1.5µA, the MAX6831WIUT+T minimizes power consumption, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages: - High accuracy voltage monitoring - Low power consumption - Adjustable or fixed reset timeout period - Manual reset input for external control - Wide supply voltage range

Disadvantages: - Limited threshold voltage options - SOT23-6 package may require additional space compared to smaller packages

Working Principles

The MAX6831WIUT+T operates by continuously monitoring the supply voltage using an internal voltage reference. When the voltage falls below the selected threshold level, the active-low reset output is asserted, signaling a system reset. The reset timeout period can be adjusted externally or set to a fixed value, determining how long the reset output remains asserted after the voltage returns to normal.

Detailed Application Field Plans

The MAX6831WIUT+T finds applications in various electronic systems where reliable power supply monitoring is crucial. Some potential application fields include:

1. Battery-Powered Devices: Portable electronics such as smartphones, tablets, and wearables benefit from the accurate voltage monitoring provided by the MAX6831WIUT+T.
2. Industrial Control Systems: The IC ensures stable operation of control systems by detecting power supply anomalies and initiating appropriate actions.
3. Automotive Electronics: In automotive applications, the MAX6831WIUT+T safeguards critical components by monitoring the vehicle's power supply voltage.
4. Home Automation: The IC can be used in smart home devices to prevent malfunctions caused by voltage fluctuations.

Detailed and Complete Alternative Models

1. MAX6830WIUT+T: Similar to MAX6831WIUT+T but with different threshold voltage options.
2. MAX6832WIUT+T: Offers additional features such as adjustable reset timeout period and watchdog timer functionality.
3. MAX6833WIUT+T: Provides higher accuracy voltage monitoring and wider operating temperature range.

(Note: The alternative models listed above are just examples and not an exhaustive list.)

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