MAX6836FXSD3+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, high-accuracy voltage monitoring
• Package: 8-pin SOT23
• Essence: Provides power supply monitoring and reset generation for microcontrollers and other digital systems
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage Options: 2.63V, 2.93V, 3.08V, 4.38V
• Reset Timeout Period Options: 140ms, 560ms, 1120ms, 2240ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6836FXSD3+T has 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. TO: Reset timeout period selection input
7. NC: No connection
8. NC: No connection

Functional Features

• Voltage Monitoring: Monitors the supply voltage and generates a reset signal when it falls below the threshold voltage.
• Reset Generation: Provides an active-low reset output to reset the microcontroller or digital system.
• Manual Reset: Allows manual reset of the system by asserting a low level on the MR pin.
• Threshold Voltage Selection: The TH pin allows selection of the desired threshold voltage option.
• Reset Timeout Period Selection: The TO pin allows selection of the desired reset timeout period option.

Advantages and Disadvantages

Advantages: - Low-power operation - High accuracy in voltage monitoring - Small package size - Wide supply voltage range

Disadvantages: - Limited number of threshold voltage and reset timeout period options - No built-in power-on reset functionality

Working Principles

The MAX6836FXSD3+T operates by continuously monitoring the supply voltage. When the voltage falls below the selected threshold voltage, it generates an active-low reset signal. This reset signal can be used to reset the microcontroller or digital system, ensuring proper operation under low-voltage conditions. The manual reset input allows for additional control over the reset function.

Detailed Application Field Plans

The MAX6836FXSD3+T is commonly used in various applications where voltage monitoring and reset generation are critical. Some of the typical application fields include:

1. Battery-Powered Devices: Ensures proper operation and prevents data corruption when the battery voltage drops below a certain level.
2. Industrial Control Systems: Provides reliable reset functionality for microcontrollers used in industrial automation and control systems.
3. Automotive Electronics: Monitors the vehicle's power supply and generates a reset signal to ensure safe and reliable operation of electronic systems.
4. Consumer Electronics: Used in devices such as smartphones, tablets, and gaming consoles to prevent malfunctions due to low voltage conditions.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MAX6836FXSD3+T are:

1. MAX6816: 6-pin SOT23 voltage supervisor with adjustable threshold voltage and reset timeout period.
2. MAX6389: 5-pin SOT23 voltage monitor with fixed threshold voltage and adjustable reset timeout period.
3. MAX809: 3-pin SOT23 microprocessor reset circuit with fixed threshold voltage and reset timeout period.

These alternative models provide options for different pin configurations, threshold voltage ranges, and reset timeout periods, allowing designers to choose the most suitable option for their specific application requirements.

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