MAX6318MHUK46CY-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics:
  • Monitors the voltage level of a power supply
  • Generates a reset signal when the voltage falls below a certain threshold
  • Provides a reliable power-on reset for microcontrollers and other digital systems
• Package: SOT23-5
• Essence: Ensures proper system initialization and prevents erratic behavior due to unstable power supply
• Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.93V, 3.08V, 3.63V, 4.38V, 4.63V
• Reset Timeout Period: Adjustable from 1ms to 1600ms
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 7µA (typical)

Pin Configuration

The MAX6318MHUK46CY-T has a total of 5 pins:

1. GND (Ground)
2. MR (Manual Reset Input)
3. RESET (Reset Output)
4. VCC (Power Supply)
5. TH (Threshold Voltage Selection)

Functional Features

• Monitors the voltage level of the power supply continuously
• Generates a reset signal when the voltage falls below the selected threshold
• Provides an active-low reset output signal
• Offers manual reset capability through the MR pin
• Adjustable reset timeout period allows customization based on system requirements
• Low quiescent current ensures minimal power consumption

Advantages

• Ensures reliable system startup and operation by preventing erratic behavior caused by unstable power supply
• Adjustable reset timeout period allows flexibility in system initialization timing
• Low quiescent current minimizes power consumption, making it suitable for battery-powered applications
• Small SOT23-5 package offers space-saving benefits

Disadvantages

• Limited threshold voltage options may not cover all voltage monitoring requirements
• Manual reset functionality may not be necessary in all applications, adding complexity to the design if unused

Working Principles

The MAX6318MHUK46CY-T operates by continuously monitoring the voltage level of the power supply. When the voltage falls below the selected threshold, it generates a reset signal. This reset signal is active-low and can be used to initialize microcontrollers and other digital systems.

The device also provides a manual reset input (MR pin) that allows the user to force a reset regardless of the power supply voltage. The reset timeout period can be adjusted to meet specific system requirements.

Detailed Application Field Plans

The MAX6318MHUK46CY-T is commonly used in various applications where reliable power-on reset functionality is required. Some typical application fields include:

1. Microcontroller Systems: Ensures proper initialization of microcontrollers, preventing unpredictable behavior during power-up.
2. Industrial Control Systems: Provides reliable reset functionality for industrial control units, ensuring stable operation after power loss or fluctuations.
3. Automotive Electronics: Enables safe and reliable operation of automotive electronic systems by resetting them when the power supply voltage drops below the specified threshold.
4. Battery-Powered Devices: Helps maintain stable operation and extends battery life by resetting devices when the battery voltage reaches critical levels.

Detailed and Complete Alternative Models

1. MAX6316LUK46CY-T: Similar voltage monitor and reset circuit with different threshold voltage options.
2. MAX6319MHUK46CY-T: Voltage monitor and reset circuit with additional features like watchdog timer and adjustable reset timeout period.
3. MAX6320PUK46CY-T: Voltage monitor and reset circuit with higher supply voltage range and adjustable threshold voltage.

These alternative models offer similar functionality to the MAX6318MHUK46CY-T but may have different specifications or additional features, allowing users to choose the most suitable option for their specific requirements.

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