MAX6728AKAVHD3+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitoring and Resetting
• Characteristics:
  • Low-power consumption
  • Wide operating voltage range
  • High accuracy
  • Small package size
• Package: SOT23-5
• Essence: This IC is designed to monitor the voltage level of a power supply and reset the system when the voltage falls below a certain threshold.
• 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, 4.63V, 4.38V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1µA (typical)

Pin Configuration

The MAX6728AKAVHD3+T IC has the following pin configuration:

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

Functional Features

• Monitors the supply voltage and generates a reset signal when it falls below the selected threshold voltage.
• Provides a manual reset input for immediate system reset.
• Offers multiple threshold voltage options for flexibility in different applications.
• Low quiescent current ensures minimal power consumption.

Advantages and Disadvantages

Advantages: - Wide operating voltage range allows compatibility with various power supply systems. - Small package size enables space-saving integration into compact designs. - High accuracy ensures reliable voltage monitoring and resetting.

Disadvantages: - Limited threshold voltage options may not cover all specific requirements. - Lack of built-in hysteresis may result in potential oscillations near the threshold voltage.

Working Principles

The MAX6728AKAVHD3+T operates by continuously monitoring the supply voltage connected to the VCC pin. When the voltage falls below the selected threshold voltage (determined by the TH pin), the IC generates a reset signal on the RESET pin. This signal can be used to reset the system or trigger other necessary actions. The MR pin allows for manual reset, overriding the automatic reset function.

Detailed Application Field Plans

The MAX6728AKAVHD3+T is widely used in various applications where voltage monitoring and resetting are critical. Some common application fields include:

1. Battery-Powered Devices: Ensures proper operation and prevents damage due to low battery voltage.
2. Microcontrollers and Embedded Systems: Protects against power supply fluctuations and ensures system stability.
3. Industrial Control Systems: Monitors power supply integrity and initiates system resets in case of voltage drops.
4. Automotive Electronics: Safeguards sensitive components from voltage variations and enables reliable operation.
5. Home Automation: Provides voltage monitoring for smart home devices, ensuring uninterrupted functionality.

Detailed and Complete Alternative Models

1. MAX6716UTZWD3+T

   • Category: Integrated Circuit (IC)
   • Use: Voltage Monitoring and Resetting
   • Package: SOT23-6
   • Supply Voltage Range: 1.6V to 5.5V
   • Threshold Voltage Options: 2.93V, 3.08V, 3.30V, 4.63V, 4.38V
   • Operating Temperature Range: -40°C to +85°C
   • Quiescent Current: 1µA (typical)

2. MAX6730AUTZWD3+T

   • Category: Integrated Circuit (IC)
   • Use: Voltage Monitoring and Resetting
   • Package: SOT23-6
   • Supply Voltage Range: 1.6V to 5.5V
   • Threshold Voltage Options: 2.93V, 3.08V, 3.30V, 4.63V, 4.38V
   • Operating Temperature Range: -40°C to +85°C
   • Quiescent Current: 1µA (typical)

3. MAX6717AUTZWD3+T

   • Category: Integrated Circuit (IC)
   • Use: Voltage Monitoring and Resetting
   • Package: SOT23-6
   • Supply Voltage Range: 1.6V to 5.5V
   • Threshold Voltage Options: 2.93V, 3.08V, 3.30V, 4.63V, 4.38V