Rohm Semiconductor
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BD48K31G-TL
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BD48K31G-TL

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency voltage regulator - Low power consumption - Wide input voltage range - Overcurrent and overvoltage protection - Thermal shutdown protection

Package: TO-220

Essence: BD48K31G-TL is a power management IC designed to regulate voltage efficiently with low power consumption. It offers protection against overcurrent, overvoltage, and thermal shutdown.

Packaging/Quantity: The BD48K31G-TL is available in a TO-220 package. Each package contains one unit of the IC.

Specifications

  • Input Voltage Range: 4.5V - 40V
  • Output Voltage Range: 1.2V - 37V
  • Output Current: Up to 3A
  • Quiescent Current: 10mA
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The BD48K31G-TL has the following pin configuration:

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. VOUT (Output Voltage)
  4. ADJ (Adjustment Pin)

Functional Features

  • High efficiency voltage regulation
  • Stable output voltage under varying load conditions
  • Overcurrent protection prevents damage to the IC and connected devices
  • Overvoltage protection safeguards against voltage spikes
  • Thermal shutdown protection prevents overheating

Advantages and Disadvantages

Advantages: - High efficiency operation - Wide input voltage range - Protection features ensure device and system safety - Compact TO-220 package for easy integration

Disadvantages: - Quiescent current may be relatively high compared to other similar ICs - Limited output current capacity (up to 3A)

Working Principles

The BD48K31G-TL operates as a voltage regulator by adjusting the output voltage based on the input voltage and load conditions. It utilizes internal circuitry to maintain a stable output voltage, even when the input voltage or load changes. The IC incorporates protection mechanisms such as overcurrent, overvoltage, and thermal shutdown to safeguard the device and connected components.

Detailed Application Field Plans

The BD48K31G-TL is commonly used in various applications that require efficient voltage regulation and protection. Some of the typical application fields include:

  1. Automotive electronics
  2. Industrial automation systems
  3. Power supplies for consumer electronics
  4. Battery charging circuits
  5. LED lighting systems

Detailed and Complete Alternative Models

  1. BD48K30G-TL: Similar to BD48K31G-TL but with a lower output current capacity of 2A.
  2. BD48K32G-TL: Similar to BD48K31G-TL but with a higher output current capacity of 4A.
  3. BD48K33G-TL: Similar to BD48K31G-TL but with additional features such as adjustable soft-start and enable/disable control.

These alternative models provide options with varying output current capacities and additional features to suit different application requirements.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням BD48K31G-TL у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of BD48K31G-TL in technical solutions:

  1. Q: What is BD48K31G-TL? A: BD48K31G-TL is a specific model of a power management integrated circuit (PMIC) designed for use in various technical solutions.

  2. Q: What are the key features of BD48K31G-TL? A: Some key features of BD48K31G-TL include multiple voltage regulators, power sequencing capabilities, fault protection mechanisms, and low power consumption.

  3. Q: What technical solutions can BD48K31G-TL be used in? A: BD48K31G-TL can be used in a wide range of applications such as consumer electronics, industrial automation, automotive systems, and IoT devices.

  4. Q: How many voltage regulators does BD48K31G-TL have? A: BD48K31G-TL has multiple voltage regulators, typically including a buck regulator, a boost regulator, and LDOs (low-dropout regulators).

  5. Q: Can BD48K31G-TL handle different input voltages? A: Yes, BD48K31G-TL is designed to handle a wide range of input voltages, typically from 2.7V to 5.5V.

  6. Q: Does BD48K31G-TL support power sequencing? A: Yes, BD48K31G-TL supports power sequencing, allowing for controlled startup and shutdown of different power domains.

  7. Q: What kind of fault protection mechanisms does BD48K31G-TL have? A: BD48K31G-TL incorporates various fault protection features such as overvoltage protection, undervoltage lockout, and thermal shutdown.

  8. Q: Is BD48K31G-TL suitable for battery-powered applications? A: Yes, BD48K31G-TL is designed to be efficient and has low power consumption, making it suitable for battery-powered applications.

  9. Q: Can BD48K31G-TL be used in automotive systems? A: Yes, BD48K31G-TL meets the requirements for automotive applications and can be used in automotive systems.

  10. Q: Are evaluation boards or reference designs available for BD48K31G-TL? A: Yes, many manufacturers provide evaluation boards and reference designs to help developers quickly integrate BD48K31G-TL into their solutions.

Please note that the specific details may vary depending on the manufacturer's documentation and datasheets for BD48K31G-TL.