MAX6384XS29D4+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 certain threshold.
  • Provides a reliable way to ensure proper system operation by resetting the microcontroller or other digital circuitry during power-up, power-down, or brownout conditions.
• Package: SOT23-5
• Essence: Voltage monitoring and reset functionality in a compact package.
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.93V, 3.08V, 3.15V, 3.30V, 3.45V, 3.63V, 3.78V, 3.90V, 4.00V, 4.38V, 4.63V, 4.75V, 4.88V, 5.00V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6384XS29D4+T IC has the following pin configuration:

1. GND: Ground connection
2. MR: Manual Reset input pin
3. RESET: Reset output pin
4. VCC: Positive power supply connection
5. TH: Threshold voltage selection pin

Functional Features

• Voltage Monitoring: The MAX6384XS29D4+T continuously monitors the input voltage and compares it with the selected threshold voltage.
• Reset Generation: When the input 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 functionality.
• Adjustable Timeout Period: The reset timeout period can be adjusted using external capacitors connected to the TH pin.
• Power-On Reset Delay: The IC ensures a stable power-on reset delay to allow the system to stabilize before releasing the reset signal.

Advantages and Disadvantages

Advantages: - Compact package size enables space-saving designs. - Wide supply voltage range allows for compatibility with various systems. - Adjustable threshold voltage and reset timeout period provide flexibility in different applications. - Reliable reset functionality ensures proper system operation during power fluctuations.

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

Working Principles

The MAX6384XS29D4+T operates by continuously monitoring the input voltage using an internal voltage comparator. When the input voltage falls below the selected threshold voltage, the comparator triggers the generation of a reset signal. This reset signal is then provided on the RESET pin, which can be used to reset the microcontroller or other digital circuitry.

The reset timeout period can be adjusted using external capacitors connected to the TH pin. This allows for customization of the reset duration based on the specific requirements of the application.

Detailed Application Field Plans

The MAX6384XS29D4+T is commonly used in various electronic systems where reliable voltage monitoring and reset functionality are crucial. Some potential application fields include:

1. Microcontrollers: Ensuring proper initialization and operation of microcontrollers during power-up and brownout conditions.
2. Embedded Systems: Providing a reliable reset mechanism for embedded systems to recover from power disturbances.
3. Industrial Control Systems: Monitoring power supply voltages in industrial control systems to prevent data corruption or equipment malfunction.
4. Automotive Electronics: Resetting automotive electronic modules during power fluctuations to maintain system integrity.
5. Medical Devices: Ensuring the safe operation of medical devices by resetting critical circuitry during voltage anomalies.

Detailed and Complete Alternative Models

1. MAX6384XS29D3+T: Similar to MAX6384XS29D4+T, but with a different threshold voltage range.
2. MAX6384XS29D5+T: Similar to MAX6384XS29D4+T, but with additional features such as adjustable hysteresis.
3. MAX6384XS29D6+T: Similar to MAX6384XS29D4+T, but with a different package option (SOT23-6).

These alternative models provide similar voltage monitoring and reset functionality, but with slight variations in specifications or package options.