Rohm Semiconductor
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BU4926G-TR
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BU4926G-TR

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency - Low power consumption - Compact size - Wide input voltage range

Package: SOP-8 (Small Outline Package)

Essence: BU4926G-TR is a power management IC designed for efficient power conversion and regulation.

Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 40V
  • Output Voltage Range: 1.2V to 37V
  • Maximum Output Current: 3A
  • Switching Frequency: 300kHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

BU4926G-TR features an SOP-8 package with the following 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. SW: Switching pin for power conversion
  6. NC: No connection
  7. VOUT: Output voltage pin
  8. COMP: Compensation pin for stability control

Functional Features

  • High efficiency power conversion
  • Overcurrent protection
  • Thermal shutdown protection
  • Short-circuit protection
  • Soft-start function for smooth power-up

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power loss - Wide input voltage range allows for versatile applications - Compact size enables space-saving designs - Comprehensive protection features ensure safe operation

Disadvantages: - Limited maximum output current of 3A may not be suitable for high-power applications - SOP-8 package may require additional thermal management for high-temperature environments

Working Principles

BU4926G-TR operates on the principle of pulse width modulation (PWM) to regulate the output voltage. It uses an internal oscillator to generate a high-frequency switching signal, which controls the power transistor connected to the SW pin. By adjusting the duty cycle of the switching signal, the IC regulates the output voltage according to the feedback received from the FB pin.

Detailed Application Field Plans

BU4926G-TR is widely used in various applications that require efficient power management and regulation. Some common application fields include:

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

Detailed and Complete Alternative Models

  1. LM2596S-ADJ: Adjustable Output Voltage, 3A Buck Converter IC
  2. TPS5430: 3A Step-Down Converter with Integrated FETs
  3. LT1763: 3A Low Dropout Linear Regulator
  4. MP2307: 3A, 23V, 340kHz Synchronous Rectified Step-Down Converter

These alternative models offer similar functionality and specifications to BU4926G-TR, providing options for different design requirements.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af BU4926G-TR i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of BU4926G-TR in technical solutions:

  1. Q: What is BU4926G-TR? A: BU4926G-TR is a specific model or type of electronic component used in technical solutions, such as circuit boards or electrical systems.

  2. Q: What is the purpose of BU4926G-TR? A: The purpose of BU4926G-TR is to perform a specific function within a technical solution, such as amplifying signals or controlling power flow.

  3. Q: How does BU4926G-TR work? A: BU4926G-TR works by utilizing its internal circuitry to process electrical signals according to its design specifications, which allows it to perform its intended function.

  4. Q: What are the key features of BU4926G-TR? A: Some key features of BU4926G-TR may include high efficiency, low power consumption, compact size, and compatibility with certain voltage ranges.

  5. Q: In what applications can BU4926G-TR be used? A: BU4926G-TR can be used in various applications, including audio amplifiers, motor control systems, power supplies, and other electronic devices that require signal processing or power management.

  6. Q: Are there any specific operating conditions for using BU4926G-TR? A: Yes, BU4926G-TR may have specific operating conditions, such as temperature range, voltage input/output requirements, and current limitations. These should be followed for optimal performance.

  7. Q: Can BU4926G-TR be used in both analog and digital circuits? A: Yes, BU4926G-TR can be used in both analog and digital circuits, depending on the specific requirements of the technical solution.

  8. Q: Is BU4926G-TR compatible with other electronic components? A: Yes, BU4926G-TR is designed to be compatible with other electronic components commonly used in technical solutions, such as resistors, capacitors, and transistors.

  9. Q: Are there any recommended design considerations when using BU4926G-TR? A: Yes, it is recommended to consider factors like power dissipation, thermal management, signal integrity, and noise suppression when designing a circuit or system that incorporates BU4926G-TR.

  10. Q: Where can I find more information about BU4926G-TR? A: More detailed information about BU4926G-TR, including datasheets, application notes, and technical specifications, can usually be found on the manufacturer's website or by contacting their customer support.