MAX6412UK22/GG8

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Supply Voltage Monitor
• Characteristics: Low-power, Precision, Adjustable Thresholds
• Package: SOT23-5
• Essence: Monitors power supply voltage and provides a reset signal 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: 2.2V, 2.3V, 2.4V, 2.5V, 2.6V, 2.7V, 2.8V, 2.9V, 3.0V, 3.1V, 3.2V, 3.3V, 3.4V, 3.5V, 3.6V, 3.7V, 3.8V, 3.9V, 4.0V, 4.1V, 4.2V, 4.3V, 4.4V, 4.5V, 4.6V, 4.7V, 4.8V, 4.9V, 5.0V, 5.1V, 5.2V, 5.3V, 5.4V, 5.5V
• Reset Timeout Options: 140ms, 560ms, 1120ms, 2240ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6412UK22/GG8 IC has the following pin configuration:

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

Functional Features

• Monitors the power supply voltage and generates a reset signal when the voltage falls below the selected threshold.
• Provides an adjustable threshold voltage to suit different applications.
• Offers a manual reset input for immediate system reset.
• Low-power consumption, suitable for battery-powered devices.
• Small package size allows for space-efficient designs.

Advantages and Disadvantages

Advantages

• Precise monitoring of power supply voltage.
• Adjustable threshold voltage provides flexibility.
• Manual reset input allows for immediate system reset.
• Low-power consumption extends battery life.
• Compact package size saves board space.

Disadvantages

• Limited number of threshold voltage options.
• Reset timeout options may not be suitable for all applications.
• Operating temperature range may restrict usage in extreme environments.

Working Principles

The MAX6412UK22/GG8 operates by continuously monitoring the power supply voltage connected to its VCC pin. When the voltage falls below the selected threshold voltage, the IC generates a reset signal on the RESET pin. This signal can be used to reset the microcontroller or other system components.

The threshold voltage is set using the TH pin, which connects to an external resistor divider network. By adjusting the resistor values, the desired threshold voltage can be achieved.

In addition to the automatic reset generation, the IC also provides a manual reset input (MR pin). Pulling this pin low forces an immediate system reset, regardless of the power supply voltage.

Detailed Application Field Plans

The MAX6412UK22/GG8 is commonly used in various applications 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 low-power consumption and precise voltage monitoring provided by this IC.
2. Industrial Control Systems: The IC can be used in control systems to ensure stable power supply voltages, preventing malfunctions or data corruption.
3. Automotive Electronics: In automotive applications, the MAX6412UK22/GG8 can monitor the vehicle's power supply and trigger a reset if necessary, ensuring proper operation of critical systems.

Detailed and Complete Alternative Models

• MAX6412UK22/GG8 is part of the MAX6412 series from Maxim Integrated. Other models in the series include:
  • MAX6412UK16/GG8
  • MAX6412UK18/GG8
  • MAX6412UK20/GG8
  • MAX6412UK25/GG8

These alternative models offer different threshold voltage options and may have slight variations in specifications, but they serve the same purpose of power supply voltage monitoring and reset generation.

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