MIC2544-2BM

Product Overview

Category

MIC2544-2BM belongs to the category of integrated circuits (ICs).

Use

The MIC2544-2BM is commonly used as a power distribution switch in various electronic devices.

Characteristics

• The MIC2544-2BM is designed to provide overcurrent protection and power management capabilities.
• It operates at a wide input voltage range, making it suitable for different applications.
• This IC offers low quiescent current, ensuring efficient power consumption.
• It has built-in thermal shutdown protection to prevent overheating.

Package

The MIC2544-2BM is available in a compact surface-mount package, which facilitates easy integration into circuit boards.

Essence

The essence of MIC2544-2BM lies in its ability to efficiently manage power distribution and protect against overcurrent conditions.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Current Limit: 500mA
• Quiescent Current: 20µA (typical)
• Thermal Shutdown Temperature: 150°C (typical)

Detailed Pin Configuration

The MIC2544-2BM features a 6-pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FLT: Fault output pin
5. OUT: Output voltage pin
6. FB: Feedback pin

Functional Features

• Overcurrent Protection: The MIC2544-2BM monitors the output current and limits it to the specified value, protecting the circuit from damage.
• Thermal Shutdown: In case of excessive temperature, the IC shuts down to prevent further operation until the temperature returns to a safe level.
• Enable Pin: The EN pin allows for easy control of the power switch, enabling or disabling the output as required.
• Fault Output: The FLT pin provides a signal indicating an overcurrent or thermal shutdown event.

Advantages and Disadvantages

Advantages

• Efficient power management and distribution capabilities
• Wide input voltage range for versatile applications
• Low quiescent current for reduced power consumption
• Built-in thermal shutdown protection for enhanced safety

Disadvantages

• Limited output current capacity (500mA)
• Requires external components for complete circuit implementation

Working Principles

The MIC2544-2BM operates by monitoring the output current flowing through it. If the current exceeds the specified limit, the IC limits the output current to protect the circuit. Additionally, it incorporates thermal shutdown protection, which activates when the temperature exceeds a certain threshold.

Detailed Application Field Plans

The MIC2544-2BM finds applications in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Battery-powered devices - IoT devices

Detailed and Complete Alternative Models

1. MIC2545-1YM: Similar to MIC2544-2BM, but with a higher output current limit of 1A.
2. TPS2065DGNR: Power distribution switch with similar features and characteristics.
3. LTC4412ES6: Integrated circuit offering power path control and protection functions.

These alternative models provide similar functionality and can be considered based on specific application requirements.

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