MIC2547-1YTS-TR

Product Overview

Category

The MIC2547-1YTS-TR 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 MIC2547-1YTS-TR is a highly versatile and compact IC that offers excellent power management capabilities.
• It provides precise voltage regulation, current limiting, and thermal shutdown protection.
• This IC is known for its low power consumption and high efficiency, making it suitable for battery-powered devices.
• It operates over a wide input voltage range, allowing flexibility in different power supply configurations.

Package and Quantity

The MIC2547-1YTS-TR is available in a small surface-mount package, typically a 16-pin thin-shrink small-outline package (TSSOP). It is supplied in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: Adjustable from 0.8V to V_IN
• Maximum Output Current: 1.5A
• Quiescent Current: 120µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MIC2547-1YTS-TR features a 16-pin TSSOP package with the following pin configuration:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | EN | Enable | | 2 | FB | Feedback | | 3 | GND | Ground | | 4 | SW | Switch | | 5 | LX | Inductor | | 6-9 | NC | No Connect | | 10 | VCC | Power Supply | | 11-14 | NC | No Connect | | 15 | PG | Power Good | | 16 | VIN | Input Voltage |

Functional Features

The MIC2547-1YTS-TR offers several functional features that enhance its performance and usability:

1. Voltage Regulation: It provides precise output voltage regulation, ensuring stable power supply to connected devices.
2. Current Limiting: The IC incorporates current limiting functionality to protect the circuit from excessive current flow, preventing damage to components.
3. Thermal Shutdown Protection: In case of overheating, the IC automatically shuts down to prevent thermal damage, enhancing safety and reliability.
4. Enable Pin: The enable pin allows for easy control of the IC's operation, enabling power management as per system requirements.
5. Power Good Indicator: The power good pin indicates the status of the output voltage, providing a signal for system monitoring and fault detection.

Advantages and Disadvantages

Advantages

• Compact size and low power consumption make it suitable for portable and battery-powered devices.
• Wide input voltage range allows for versatile power supply configurations.
• Precise voltage regulation ensures stable and reliable operation of connected devices.

Disadvantages

• Limited maximum output current may not be sufficient for high-power applications.
• The TSSOP package may require specialized equipment for soldering and handling.

Working Principles

The MIC2547-1YTS-TR operates based on a switching regulator topology. It utilizes pulse-width modulation (PWM) techniques to regulate the output voltage. The IC continuously monitors the feedback voltage and adjusts the duty cycle of the internal switch to maintain the desired output voltage. This switching action allows for efficient power conversion and minimizes power dissipation.

Application Field Plans

The MIC2547-1YTS-TR finds applications in various electronic devices, including but not limited to: - Portable consumer electronics (e.g., smartphones, tablets) - Battery-powered devices (e.g., wearables, wireless sensors) - Industrial control systems - Automotive electronics

Alternative Models

For those seeking alternative options, the following ICs provide similar functionality to the MIC2547-1YTS-TR: - LM2576-ADJ - TPS54331 - LT1370

These alternatives offer comparable features and can be considered based on specific application requirements.

In conclusion, the MIC2547-1YTS-TR is a versatile and efficient integrated circuit designed for power management applications. Its compact size, precise voltage regulation, and low power consumption make it an ideal choice for various electronic devices. However, its limited maximum output current and specialized package may pose limitations in certain high-power applications.