MIC2549A-2BTS

Product Overview

Category

The MIC2549A-2BTS belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in various electronic devices to regulate and control power supply, ensuring efficient and reliable operation.

Characteristics

• The MIC2549A-2BTS offers high-performance power management capabilities.
• It provides precise voltage regulation and current limiting functions.
• This IC is known for its low power consumption and high efficiency.
• It operates over a wide input voltage range, making it suitable for diverse applications.
• The MIC2549A-2BTS is designed to withstand harsh environmental conditions.

Package

The MIC2549A-2BTS is available in a compact and industry-standard package, allowing for easy integration into electronic circuit boards.

Essence

The essence of the MIC2549A-2BTS lies in its ability to efficiently manage power supply, ensuring stable and reliable operation of electronic devices.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of MIC2549A-2BTS ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Voltage Range: Adjustable from 1.25V to 37V
• Maximum Output Current: 3A
• Quiescent Current: 10mA
• Operating Temperature Range: -40°C to +125°C
• Package Type: TO-263-7

Detailed Pin Configuration

The MIC2549A-2BTS features a seven-pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin for output voltage regulation
4. EN: Enable pin for turning the IC on/off
5. SS/TR: Soft-start/Tracking pin for controlling the startup behavior
6. VOUT: Output voltage pin
7. PGND: Power ground pin

Functional Features

• Voltage Regulation: The MIC2549A-2BTS provides precise output voltage regulation, ensuring stable power supply to connected devices.
• Current Limiting: It incorporates current limiting functionality to protect both the IC and the connected load from excessive current.
• Soft-Start: The soft-start feature allows for a gradual increase in output voltage during startup, preventing sudden voltage spikes.
• Thermal Shutdown: In case of excessive temperature, the IC automatically shuts down to prevent damage.
• Short-Circuit Protection: The MIC2549A-2BTS includes built-in protection against short circuits, safeguarding the circuitry.

Advantages and Disadvantages

Advantages

• High-performance power management capabilities
• Wide input voltage range
• Low power consumption and high efficiency
• Compact and industry-standard package
• Suitable for harsh environmental conditions

Disadvantages

• Limited maximum output current (3A)
• Requires external components for complete power management solution

Working Principles

The MIC2549A-2BTS operates based on a switching regulator topology. It utilizes pulse-width modulation (PWM) techniques to regulate the output voltage. By adjusting the duty cycle of the PWM signal, the IC controls the average output voltage, ensuring it remains within the desired range.

Detailed Application Field Plans

The MIC2549A-2BTS finds applications in various fields, including but not limited to: 1. Industrial automation systems 2. Automotive electronics 3. Telecommunications equipment 4. Consumer electronics 5. Power supplies for computer peripherals 6. LED lighting systems

Detailed and Complete Alternative Models

1. MIC2548A-1BTS: Similar to the MIC2549A-2BTS, but with a maximum output current of 1A.
2. MIC2550A-3BTS: Offers higher maximum output current (up to 5A) for applications requiring more power.
3. MIC2560A-2BTS: Provides additional features such as adjustable frequency and synchronization capability.

These alternative models offer similar functionality to the MIC2549A-2BTS while catering to specific requirements of different applications.

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