MAX6316LUK29BX/V+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics:
  • Monitors the voltage level of a power supply and generates a reset signal when the voltage falls below a specified threshold.
  • Provides a reliable way to ensure proper operation of microcontrollers, digital systems, and other sensitive electronic devices.
  • Package: SOT23-5
  • Essence: Voltage monitoring and reset functionality in a compact form factor.
  • Packaging/Quantity: Tape and Reel, 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.93V, 3.08V, 3.30V, 4.38V, 4.63V, 4.75V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 7µA (typical)
• Reset Timeout Period: 140ms (typical)

Pin Configuration

The MAX6316LUK29BX/V+T IC has the following pin configuration:

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Pin Description: - Pin 1: GND (Ground) - Pin 2: RESET (Reset Output) - Pin 3: MR (Manual Reset Input) - Pin 4: VCC (Supply Voltage) - Pin 5: TH (Threshold Voltage Selection)

Functional Features

1. Voltage Monitoring: The MAX6316LUK29BX/V+T continuously monitors the supply voltage and compares it with the selected threshold voltage.
2. Reset Signal Generation: When the supply voltage falls below the threshold voltage, the IC generates a reset signal on the RESET pin.
3. Manual Reset Input: The MR pin allows for manual reset functionality, enabling external control over the reset signal.
4. Adjustable Threshold Voltage: The TH pin provides multiple threshold voltage options to suit different system requirements.
5. Low Power Consumption: The IC operates with low quiescent current, minimizing power consumption in battery-powered applications.

Advantages and Disadvantages

Advantages: - Compact form factor enables integration into space-constrained designs. - Wide supply voltage range allows compatibility with various power sources. - Multiple threshold voltage options provide flexibility for different voltage monitoring needs. - Low power consumption ensures efficient operation in energy-sensitive applications.

Disadvantages: - Limited number of threshold voltage options may not cater to all specific voltage monitoring requirements. - Lack of built-in hysteresis may result in potential noise-induced false triggering.

Working Principles

The MAX6316LUK29BX/V+T operates by continuously monitoring the supply voltage using an internal voltage comparator. When the supply voltage falls below the selected threshold voltage, the comparator triggers a reset signal generation circuit, which drives the RESET pin low. This reset signal can be used to initiate a system reset or perform other necessary actions.

Additionally, the MR pin allows for manual reset functionality. When a logic low signal is applied to the MR pin, it overrides the voltage monitoring and forces the RESET pin low, generating a reset signal regardless of the supply voltage level.

Application Field Plans

The MAX6316LUK29BX/V+T finds application in various fields where reliable voltage monitoring and reset functionality are crucial. Some potential application areas include:

1. Microcontroller Systems: Ensuring proper operation and preventing data corruption in microcontroller-based systems.
2. Digital Systems: Providing a fail-safe mechanism for digital circuits and preventing erratic behavior during power fluctuations.
3. Industrial Control Systems: Monitoring power supply integrity in industrial automation and control systems to prevent downtime and equipment damage.
4. Medical Devices: Ensuring reliable operation and patient safety in medical devices that rely on stable power supply voltages.
5. Automotive Electronics: Protecting sensitive automotive electronics from voltage fluctuations and ensuring proper functioning.

Alternative Models

1. MAX6316LUK29BX/V: Similar to the MAX6316LUK29BX/V+T, but without tape and reel packaging.
2. MAX6316LUK29BY/V+T: Offers different threshold voltage options compared to the MAX6316LUK29BX/V+T.
3. MAX6316LUK29BZ/V+T: Provides additional features such as built-in hysteresis for noise immunity.

These alternative models offer similar functionality with slight variations in specifications and features, allowing users to choose the most suitable option for their specific requirements.

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