MAX6389XS32D2+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 system initialization and operation.
• Package: SOT23-5
• Essence: Voltage monitoring and reset functionality in a compact package.
• Packaging/Quantity: Tape and Reel, 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.32V, 2.93V, 3.08V, 3.30V, 4.38V
• Reset Timeout Period: Adjustable or Fixed (140ms, 280ms, 560ms, 1120ms)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6389XS32D2+T IC has the following pin configuration:

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

Functional Features

1. Voltage Monitoring: The MAX6389XS32D2+T continuously monitors the supply voltage and compares it with the threshold voltage set by the TH pin.
2. Reset Generation: When the supply voltage falls below the threshold voltage, the RESET pin is asserted, generating a reset signal.
3. Manual Reset: The MR pin allows for manual reset, overriding the voltage monitoring function.
4. Adjustable Timeout Period: The reset timeout period can be adjusted using external components or set to a fixed value.
5. Low Power Consumption: The IC operates with low quiescent current, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - Compact package size enables space-saving designs. - Wide supply voltage range allows for versatile applications. - Adjustable reset timeout period offers flexibility. - Low power consumption prolongs battery life.

Disadvantages: - Limited threshold voltage options may not suit all voltage monitoring requirements. - Manual reset functionality may not be necessary in all applications.

Working Principles

The MAX6389XS32D2+T operates by comparing the supply voltage with the threshold voltage set by the TH pin. When the supply voltage drops below the threshold voltage, the RESET pin is activated, generating a reset signal. The reset timeout period determines how long the reset signal remains active after the voltage returns to normal. The MR pin provides an option for manual reset, allowing the user to override the voltage monitoring function.

Detailed Application Field Plans

The MAX6389XS32D2+T finds applications in various fields, including:

1. Microcontrollers: Ensuring proper initialization and operation of microcontroller-based systems.
2. Embedded Systems: Providing reliable reset functionality for embedded systems.
3. Power Management: Monitoring power supply voltage in power management circuits.
4. Industrial Control Systems: Resetting industrial control systems during voltage fluctuations.
5. Automotive Electronics: Ensuring stable operation of automotive electronic systems.

Detailed and Complete Alternative Models

1. MAX6389XS32D3+T: Similar to MAX6389XS32D2+T, but with different threshold voltage options.
2. MAX6389XS32D4+T: Enhanced version with additional features such as adjustable reset timeout period.
3. MAX6389XS32D5+T: Higher voltage range variant suitable for applications with higher supply voltages.

These alternative models offer similar functionality to the MAX6389XS32D2+T but may have different specifications or additional features to meet specific application requirements.

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