Microchip Technology
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
MIC2142BD5 TR

MIC2142BD5 TR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High efficiency, low power consumption
  • Package: DFN-8 (Dual Flat No-Lead)
  • Essence: Voltage Mode Synchronous Buck Regulator
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 75V
  • Output Voltage Range: 0.8V to 60V
  • Maximum Output Current: 1.5A
  • Switching Frequency: 500kHz
  • Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC2142BD5 TR has the following pin configuration:

  1. VIN: Input voltage
  2. GND: Ground
  3. FB: Feedback voltage
  4. EN: Enable control
  5. SS/TR: Soft-start/Tracking control
  6. PG: Power good indicator
  7. SW: Switch node
  8. VOUT: Output voltage

Functional Features

  • Voltage mode control for stable regulation
  • Synchronous rectification for high efficiency
  • Adjustable soft-start and tracking capability
  • Power good output for fault detection
  • Overcurrent protection and thermal shutdown

Advantages and Disadvantages

Advantages: - High efficiency operation - Wide input and output voltage range - Compact package size - Comprehensive protection features

Disadvantages: - Limited maximum output current - Requires external components for operation

Working Principles

The MIC2142BD5 TR is a voltage mode synchronous buck regulator. It operates by converting a higher input voltage to a lower output voltage using a switching transistor and an inductor. The feedback voltage is compared with a reference voltage to regulate the output voltage. Synchronous rectification improves efficiency by replacing the traditional diode with a synchronous switch.

Detailed Application Field Plans

The MIC2142BD5 TR is commonly used in various applications, including:

  1. Industrial power supplies
  2. Automotive electronics
  3. Telecommunications equipment
  4. Consumer electronics
  5. LED lighting systems

Alternative Models

  • MIC2141BD5 TR
  • MIC2143BD5 TR
  • MIC2144BD5 TR
  • MIC2145BD5 TR

These alternative models offer similar functionality and specifications to the MIC2142BD5 TR, providing flexibility for different design requirements.

In conclusion, the MIC2142BD5 TR is a voltage mode synchronous buck regulator that offers high efficiency and a wide input/output voltage range. With its compact package and comprehensive protection features, it finds applications in various industries such as industrial power supplies, automotive electronics, and consumer electronics.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MIC2142BD5 TR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MIC2142BD5 TR in technical solutions:

  1. Question: What is the MIC2142BD5 TR?
    Answer: The MIC2142BD5 TR is a high-performance synchronous buck regulator IC.

  2. Question: What is the input voltage range of the MIC2142BD5 TR?
    Answer: The input voltage range of the MIC2142BD5 TR is typically between 4.5V and 75V.

  3. Question: What is the output voltage range of the MIC2142BD5 TR?
    Answer: The output voltage range of the MIC2142BD5 TR can be adjusted from 0.8V to 60V.

  4. Question: What is the maximum output current of the MIC2142BD5 TR?
    Answer: The MIC2142BD5 TR can deliver a maximum output current of 2.5A.

  5. Question: Is the MIC2142BD5 TR suitable for automotive applications?
    Answer: Yes, the MIC2142BD5 TR is designed to meet the requirements of automotive applications.

  6. Question: Does the MIC2142BD5 TR have built-in protection features?
    Answer: Yes, the MIC2142BD5 TR includes overcurrent protection, thermal shutdown, and undervoltage lockout.

  7. Question: Can the MIC2142BD5 TR operate in a wide temperature range?
    Answer: Yes, the MIC2142BD5 TR is designed to operate in a temperature range of -40°C to +125°C.

  8. Question: What is the efficiency of the MIC2142BD5 TR?
    Answer: The MIC2142BD5 TR has a high efficiency of up to 95%.

  9. Question: Can the MIC2142BD5 TR be used in battery-powered applications?
    Answer: Yes, the MIC2142BD5 TR is suitable for battery-powered applications due to its low quiescent current.

  10. Question: Does the MIC2142BD5 TR require external components for operation?
    Answer: Yes, the MIC2142BD5 TR requires a few external components such as input and output capacitors, an inductor, and feedback resistors for proper operation.

Please note that these answers are general and may vary depending on specific application requirements.