MIC6315-30D2UY

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Supervisor

Characteristics: - Monitors the voltage level of a power supply - Generates a reset signal when the voltage falls below a certain threshold - Ensures proper functioning of microcontrollers and other digital systems

Package: SOT-23-3

Essence: The MIC6315-30D2UY is a voltage supervisor IC designed to monitor the voltage level of a power supply and provide a reset signal when the voltage falls below a specific threshold. It is commonly used in various electronic devices to ensure the reliable operation of microcontrollers and other digital systems.

Packaging/Quantity: The MIC6315-30D2UY is available in a SOT-23-3 package, which is a small surface-mount package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage: 3.0V
• Reset Timeout Period: 140ms (typical)
• Quiescent Current: 5µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MIC6315-30D2UY has three pins:

1. VDD: Power supply input pin (+1.6V to +5.5V)
2. GND: Ground reference pin
3. RESET: Output pin for the reset signal

Functional Features

1. Voltage Monitoring: The MIC6315-30D2UY continuously monitors the voltage level of the power supply.
2. Reset Generation: When the voltage falls below the preset threshold (3.0V), the IC generates a reset signal.
3. Reset Timeout: The reset signal remains active for a fixed timeout period (140ms) after the voltage rises above the threshold.
4. Low Power Consumption: The IC operates with low quiescent current (5µA), minimizing power consumption.

Advantages and Disadvantages

Advantages: - Compact SOT-23-3 package allows for space-saving designs - Wide supply voltage range enables compatibility with various power sources - Low quiescent current reduces power consumption - Reset timeout feature ensures proper system reset

Disadvantages: - Fixed reset threshold voltage may not be suitable for all applications - Limited number of pins restricts additional functionalities

Working Principles

The MIC6315-30D2UY works by comparing the input voltage (VDD) with the preset threshold voltage (3.0V). When VDD falls below this threshold, the internal circuitry generates a reset signal on the RESET pin. This signal remains active for the specified timeout period (140ms) after VDD rises above the threshold.

The IC continuously monitors the voltage level to ensure that the microcontroller or digital system is properly reset whenever the power supply voltage drops below the threshold.

Detailed Application Field Plans

The MIC6315-30D2UY is widely used in various electronic devices and systems where reliable voltage monitoring and reset functionality are crucial. Some common application areas include:

1. Microcontrollers: Ensures proper initialization and reliable operation of microcontrollers upon power-up or voltage fluctuations.
2. Embedded Systems: Provides a reset signal to ensure the correct startup sequence and prevent system malfunctions.
3. Battery-Powered Devices: Monitors battery voltage to prevent damage due to undervoltage conditions and ensure safe operation.
4. Industrial Control Systems: Ensures stable operation of control systems by resetting them in case of power supply disturbances.

Detailed and Complete Alternative Models

1. MAX6315: Similar voltage supervisor IC with adjustable reset threshold and timeout period.
2. LTC2915: Voltage supervisor IC with additional features like power supply glitch detection and manual reset input.
3. ADM6315: Low-power voltage supervisor IC with a wide supply voltage range and adjustable reset threshold.

These alternative models offer similar functionality to the MIC6315-30D2UY but may have different specifications, package types, or additional features based on specific application requirements.

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