MAX6383XR16D6+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 initialization and operation.
• Package: 6-pin SOT23
• 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: 2.93V, 3.08V, 3.30V, 4.38V, 4.63V, 4.75V
• Reset Timeout Period: Adjustable from 1ms to 1600ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6383XR16D6+T IC has the following pin configuration:

1. GND: Ground connection.
2. MR: Manual Reset input. Pulling this pin low forces a reset.
3. RESET: Active-low reset output. Goes low when the monitored voltage falls below the threshold.
4. VCC: Positive power supply input.
5. TH: Threshold voltage selection pin. Connect to VCC or GND to set the desired threshold voltage.
6. NC: No Connection. This pin is not internally connected and should be left unconnected.

Functional Features

• Voltage Monitoring: The MAX6383XR16D6+T continuously monitors the voltage level of the power supply.
• Reset Generation: When the monitored voltage falls below the threshold voltage, the IC generates an active-low reset signal.
• Manual Reset: The IC provides a manual reset input (MR) to force a reset regardless of the voltage level.
• Adjustable Timeout Period: The reset timeout period can be adjusted using an external capacitor connected to the CT pin.
• Power-On Reset Delay: The IC ensures a minimum delay before generating the reset signal during power-up.

Advantages and Disadvantages

Advantages: - Compact package size allows for space-efficient designs. - Wide supply voltage range enables compatibility with various systems. - Adjustable reset timeout period provides flexibility in system initialization. - Reliable voltage monitoring helps prevent improper operation.

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

Working Principles

The MAX6383XR16D6+T operates by comparing the monitored voltage with the selected threshold voltage. When the monitored voltage falls below the threshold, the reset output is activated. The reset signal remains active until the voltage rises above the threshold or a manual reset is triggered.

The IC incorporates internal circuitry to ensure a minimum delay before generating the reset signal during power-up. The reset timeout period can be adjusted using an external capacitor connected to the CT pin. This allows customization of the reset duration according to specific application requirements.

Detailed Application Field Plans

The MAX6383XR16D6+T is commonly used in various electronic systems where reliable voltage monitoring and reset functionality are crucial. Some potential application fields include:

1. Microcontrollers and Microprocessors: Ensures proper initialization and operation of these devices by monitoring the power supply voltage.
2. Embedded Systems: Provides a reliable way to reset the system in case of power supply fluctuations or failures.
3. Industrial Control Systems: Helps maintain stable operation by resetting the system when the power supply voltage drops below a certain threshold.
4. Automotive Electronics: Monitors the battery voltage and generates a reset signal if it falls below the desired level, ensuring safe and reliable operation.

Detailed and Complete Alternative Models

1. MAX6384XR16D6+T: Similar to MAX6383XR16D6+T, but with different threshold voltage options.
2. MAX6385XR16D6+T: Voltage monitor and reset circuit with additional features like watchdog timer functionality.
3. MAX6386XR16D6+T: Enhanced version of MAX6383XR16D6+T with extended operating temperature range.

These alternative models offer similar functionality with slight variations in specifications, providing options for different application requirements.

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