MIC1815-10U-TR

Product Overview

Category

MIC1815-10U-TR belongs to the category of voltage supervisors or voltage detectors.

Use

This product is primarily used for monitoring and supervising the voltage levels in electronic circuits.

Characteristics

• Voltage threshold: 1.0V
• Supply voltage range: 1.0V to 6.0V
• Low quiescent current: 1.0µA (typical)
• Small package size: SOT-23-3
• RoHS compliant

Package

MIC1815-10U-TR is available in a small SOT-23-3 package, which is suitable for space-constrained applications.

Essence

The essence of MIC1815-10U-TR lies in its ability to monitor and detect voltage levels, ensuring proper functioning and protection of electronic circuits.

Packaging/Quantity

This product is typically packaged in reels containing 3000 units.

Specifications

• Voltage Threshold: 1.0V
• Supply Voltage Range: 1.0V to 6.0V
• Quiescent Current: 1.0µA (typical)
• Operating Temperature Range: -40°C to +85°C
• Output Type: Active low push-pull
• Reset Timeout Period: 140ms (typical)

Detailed Pin Configuration

MIC1815-10U-TR has three pins:

1. VCC: This pin is connected to the supply voltage.
2. GND: This pin is connected to the ground.
3. RESET: This pin provides the active low push-pull reset output.

Functional Features

• Voltage Monitoring: MIC1815-10U-TR continuously monitors the input voltage and asserts the reset signal when the voltage drops below the threshold.
• Reset Signal: The active low push-pull reset output is asserted when the voltage falls below the threshold, ensuring proper system reset.
• Low Quiescent Current: With a typical quiescent current of 1.0µA, this device minimizes power consumption.

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows compatibility with various systems.
• Small package size enables usage in space-constrained applications.
• Low quiescent current reduces power consumption.
• Active low push-pull reset output ensures reliable system reset.

Disadvantages

• Fixed voltage threshold may not be suitable for all applications requiring different voltage levels.
• Lack of adjustable timeout period limits flexibility in certain scenarios.

Working Principles

MIC1815-10U-TR operates by comparing the input voltage with the fixed voltage threshold. When the voltage drops below the threshold, the reset output is asserted, indicating a voltage fault or power loss. This signal can be used to trigger system reset or initiate appropriate actions to handle the voltage drop.

Detailed Application Field Plans

MIC1815-10U-TR finds applications in various fields where voltage monitoring and system reset are critical. Some potential application areas include:

1. Battery-powered devices: Ensuring proper shutdown or hibernation when battery voltage drops below a certain level.
2. Power supply units: Detecting power loss and initiating safe shutdown procedures.
3. Industrial control systems: Monitoring voltage levels to prevent damage to sensitive components during power fluctuations.
4. Automotive electronics: Protecting electronic systems from voltage transients and ensuring reliable operation.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MIC1815-10U-TR are:

1. MAX823: Voltage monitor with adjustable threshold and timeout period.
2. LTC2917: Precision voltage supervisor with programmable threshold and timeout.
3. TPS3839: Ultra-low-power voltage supervisor with adjustable threshold and timeout.

These alternative models provide flexibility in voltage threshold selection and offer additional features to suit specific application requirements.

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