MIC6315-40D4U TR

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage Supervisor

Characteristics: - Monitors the power supply voltage of a system - Generates a reset signal when the voltage falls below a certain threshold - Ensures proper system initialization and operation

Package: SOT-143-4

Essence: The MIC6315-40D4U TR is a voltage supervisor IC that provides reliable monitoring and reset generation for various electronic systems.

Packaging/Quantity: The MIC6315-40D4U TR is available in a SOT-143-4 package. It is typically sold in reels containing 3000 units.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage: 4.0V
• Reset Timeout Period: 140ms (min)
• Quiescent Current: 3µA (typ)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MIC6315-40D4U TR has four pins arranged as follows:

```

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| | --| VCC |-- --| /RESET|-- --| GND |-- |_______| ```

Pin Description: - VCC: Power supply input - /RESET: Active-low reset output - GND: Ground reference

Functional Features

1. Voltage Monitoring: The MIC6315-40D4U TR continuously monitors the power supply voltage.
2. Reset Generation: When the voltage falls below the reset threshold, the /RESET pin is asserted low, generating a reset signal.
3. Reset Timeout: The reset signal remains active for a minimum timeout period of 140ms after the voltage rises above the threshold.
4. Low Quiescent Current: The IC consumes very low quiescent current, minimizing power consumption in the system.

Advantages and Disadvantages

Advantages: - Reliable voltage monitoring and reset generation - Wide supply voltage range allows compatibility with various systems - Low quiescent current minimizes power consumption - Small package size enables space-saving designs

Disadvantages: - Fixed reset threshold voltage may not be suitable for all applications - Reset timeout period is not adjustable

Working Principles

The MIC6315-40D4U TR operates by comparing the power supply voltage with a fixed threshold voltage. When the voltage falls below the threshold, the /RESET pin is pulled low, indicating a system reset. The reset signal remains active for a minimum timeout period after the voltage rises above the threshold, ensuring proper system initialization.

Detailed Application Field Plans

The MIC6315-40D4U TR is commonly used in various electronic systems where reliable voltage monitoring and reset generation are critical. Some application fields include:

1. Microcontrollers: Ensures proper initialization and operation of microcontroller-based systems.
2. Embedded Systems: Provides reliable reset functionality for embedded systems.
3. Communication Equipment: Monitors power supply voltage in communication devices to prevent data corruption during voltage fluctuations.
4. Industrial Control Systems: Ensures stable operation of industrial control systems by generating resets when the power supply voltage drops below the threshold.

Detailed and Complete Alternative Models

1. MIC6315-30D4U TR: Similar to MIC6315-40D4U TR but with a lower reset threshold voltage of 3.0V.
2. MIC6315-50D4U TR: Similar to MIC6315-40D4U TR but with a higher reset threshold voltage of 5.0V.
3. MIC6315-XXD4U TR: Series of voltage supervisor ICs with adjustable reset threshold voltage (XX represents the desired threshold voltage).

These alternative models provide flexibility in choosing the appropriate reset threshold voltage for specific applications.

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