MAX6383XR40D1+T

Product Overview

• Category: Integrated Circuit
• 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 unstable or low-power condition.
• Package: SOT23-6
• Essence: Voltage monitoring and reset functionality in a compact package.
• Packaging/Quantity: Tape and Reel, 3000 units per reel.

Specifications

• Supply Voltage Range: 1.5V to 5.5V
• Threshold Voltage Options: 4.0V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 2µA (typical)
• Reset Timeout Period: 140ms (typical)

Pin Configuration

The MAX6383XR40D1+T has the following pin configuration:

```

---

| | --|VCC |-- Pin 1: Power Supply Input --|GND |-- Pin 2: Ground --|MR |-- Pin 3: Manual Reset Input --|RST |-- Pin 4: Reset Output --|TH |-- Pin 5: Threshold Voltage Selection |____| ```

Functional Features

• Monitors the voltage level continuously and compares it with the threshold voltage set by the TH pin.
• Generates a reset signal on the RST pin when the voltage falls below the threshold.
• Provides a manual reset option through the MR pin.
• Low quiescent current consumption for power-sensitive applications.

Advantages

• Compact package size allows for space-saving designs.
• Wide supply voltage range enables compatibility with various power sources.
• Reliable voltage monitoring prevents system malfunction and damage.
• Manual reset option provides flexibility in system control.

Disadvantages

• Limited threshold voltage options may not suit all applications.
• Reset timeout period may not be adjustable, limiting customization.

Working Principles

The MAX6383XR40D1+T operates by comparing the supply voltage with the threshold voltage set by the TH pin. When the supply voltage falls below the threshold, the internal circuitry generates a reset signal on the RST pin. The reset signal remains active until the supply voltage rises above the threshold or a manual reset is triggered through the MR pin. This ensures that the connected electronic system is properly reset and starts operating reliably.

Detailed Application Field Plans

The MAX6383XR40D1+T finds applications in various fields where voltage monitoring and reset functionality are crucial. Some potential application areas include:

1. Microcontrollers: Ensuring proper initialization and reliable operation of microcontroller-based systems.
2. Power Management Systems: Preventing power-sensitive devices from operating in low-power conditions.
3. Industrial Automation: Resetting control systems when power supply fluctuations occur.
4. Automotive Electronics: Monitoring battery voltage to prevent damage to sensitive electronic components.
5. Medical Devices: Ensuring safe operation by resetting the system in case of power supply issues.

Detailed and Complete Alternative Models

1. MAX6384XR40D1+T: Similar to MAX6383XR40D1+T but with a different threshold voltage option (4.0V).
2. MAX6383XR41D1+T: Same as MAX6383XR40D1+T but with a higher threshold voltage option (4.1V).
3. MAX6383XR42D1+T: Similar to MAX6383XR40D1+T but with a higher threshold voltage option (4.2V).

These alternative models provide flexibility in choosing the appropriate threshold voltage for specific applications while maintaining similar functionality to the MAX6383XR40D1+T.

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