MAX6419UK46+T

Basic Information 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 certain threshold.
  • Provides a reliable way to ensure proper operation of electronic systems by preventing them from operating in an undervoltage condition.
• Package: SOT23-5
• Essence: Voltage monitoring and reset functionality in a compact package.
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 4.63V, 4.38V, 4.13V, 3.08V, 2.93V, 2.63V, 2.32V, 2.07V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6419UK46+T IC has the following pin configuration:

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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

• Voltage Monitoring: The MAX6419UK46+T continuously monitors the supply voltage and compares it to the selected threshold voltage.
• Reset Generation: When the supply voltage falls below the threshold voltage, the IC generates a reset signal on the RESET pin.
• Manual Reset: The MR pin allows for manual resetting of the circuit, overriding the automatic reset generation.
• Adjustable Timeout Period: The reset timeout period can be adjusted using external components to suit specific system requirements.

Advantages and Disadvantages

Advantages: - Compact package size allows for space-saving integration into electronic systems. - Wide supply voltage range enables compatibility with various power supply configurations. - Adjustable threshold voltage and reset timeout period provide flexibility in system design.

Disadvantages: - Limited number of threshold voltage options may not cover all possible voltage monitoring requirements. - Manual reset functionality may not be necessary in all applications, adding complexity to the circuit design.

Working Principles

The MAX6419UK46+T operates by continuously monitoring the supply voltage on the VCC pin. It compares the voltage level to the selected threshold voltage set by the TH pin. When the supply voltage falls below the threshold voltage, the IC generates a reset signal on the RESET pin. This reset signal can be used to trigger a system reset or perform other necessary actions. The manual reset functionality allows for an external signal on the MR pin to override the automatic reset generation.

Detailed Application Field Plans

The MAX6419UK46+T is commonly used in various electronic systems where voltage monitoring and reset functionality are required. Some application fields include: - Microcontrollers and microprocessors - Embedded systems - Power management circuits - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

• MAX6419UK46+T is part of the MAX6419 series from Maxim Integrated. Other models in the series include:
  • MAX6419UK29+T: Threshold voltage options: 2.93V, 2.78V, 2.63V, 2.38V, 2.23V, 2.07V, 1.85V, 1.63V
  • MAX6419UK33+T: Threshold voltage options: 3.08V, 2.93V, 2.78V, 2.63V, 2.38V, 2.23V, 2.07V, 1.85V
  • MAX6419UK46+T: Threshold voltage options: 4.63V, 4.38V, 4.13V, 3.08V, 2.93V, 2.63V, 2.32V, 2.07V
  • MAX6419UK50+T: Threshold voltage options: 5.0V, 4.75V, 4.50V, 4.25V, 3.08V, 2.93V, 2.63V, 2.32V

These alternative models provide a range of threshold voltage options to suit different voltage monitoring requirements in electronic systems.

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