Rohm Semiconductor
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BD8139AEFV-E2
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BD8139AEFV-E2

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High efficiency, compact size, low power consumption
  • Package: SOP-8
  • Essence: Voltage Regulator
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 18V
  • Output Voltage Range: 0.8V to 15V
  • Output Current: Up to 1.5A
  • Efficiency: Up to 95%
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The BD8139AEFV-E2 IC has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. FB: Feedback pin
  5. COMP: Compensation pin
  6. SS: Soft-start pin
  7. VOUT: Output voltage pin
  8. PGND: Power ground pin

Functional Features

  • High efficiency voltage regulation
  • Overcurrent protection
  • Thermal shutdown protection
  • Soft-start function for smooth power-up
  • Adjustable output voltage
  • Wide input voltage range

Advantages and Disadvantages

Advantages

  • High efficiency helps reduce power consumption
  • Compact size allows for space-saving designs
  • Wide input voltage range provides flexibility in various applications
  • Overcurrent and thermal shutdown protection enhance reliability
  • Soft-start function ensures a smooth startup process

Disadvantages

  • Limited output current capacity (up to 1.5A)
  • May require additional external components for specific applications

Working Principles

The BD8139AEFV-E2 is a voltage regulator IC that converts an input voltage within the range of 4.5V to 18V into a stable output voltage between 0.8V and 15V. It achieves this by utilizing an internal control circuit that adjusts the duty cycle of an integrated power switch. The feedback pin (FB) monitors the output voltage and provides feedback to the control circuit, which adjusts the power switch accordingly to maintain a constant output voltage.

Detailed Application Field Plans

The BD8139AEFV-E2 is commonly used in various applications, including:

  1. Power supplies for consumer electronics
  2. Battery-powered devices
  3. Industrial automation systems
  4. Automotive electronics
  5. LED lighting systems

Detailed and Complete Alternative Models

  • BD8141AEFV-E2
  • BD8125AEFV-E2
  • BD8153EFV-E2
  • BD8117AEFV-E2
  • BD8161EFV-E2

These alternative models offer similar functionality and characteristics to the BD8139AEFV-E2, providing options for different design requirements.

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Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng BD8139AEFV-E2 sa mga teknikal na solusyon

Sure! Here are 10 common questions and answers related to the application of BD8139AEFV-E2 in technical solutions:

  1. Q: What is BD8139AEFV-E2? A: BD8139AEFV-E2 is a specific model of integrated circuit (IC) used for power management applications.

  2. Q: What are the typical applications of BD8139AEFV-E2? A: BD8139AEFV-E2 is commonly used in various technical solutions such as industrial automation, consumer electronics, and automotive systems.

  3. Q: What is the input voltage range supported by BD8139AEFV-E2? A: The input voltage range supported by BD8139AEFV-E2 is typically between 4.5V and 18V.

  4. Q: What is the output current capability of BD8139AEFV-E2? A: BD8139AEFV-E2 can provide an output current of up to 3A, making it suitable for powering a wide range of devices.

  5. Q: Does BD8139AEFV-E2 have built-in protection features? A: Yes, BD8139AEFV-E2 includes various protection features like overcurrent protection, thermal shutdown, and undervoltage lockout.

  6. Q: Can BD8139AEFV-E2 operate in a wide temperature range? A: Yes, BD8139AEFV-E2 is designed to operate reliably in a temperature range of -40°C to +105°C.

  7. Q: Is BD8139AEFV-E2 compatible with both analog and digital control interfaces? A: Yes, BD8139AEFV-E2 supports both analog and digital control interfaces, providing flexibility in system integration.

  8. Q: Can BD8139AEFV-E2 be used in battery-powered applications? A: Yes, BD8139AEFV-E2 is suitable for battery-powered applications as it has low quiescent current and supports low dropout voltage operation.

  9. Q: Does BD8139AEFV-E2 require any external components for operation? A: Yes, BD8139AEFV-E2 requires a few external components such as input/output capacitors and resistors for proper operation.

  10. Q: Is there any evaluation board or reference design available for BD8139AEFV-E2? A: Yes, the manufacturer provides an evaluation board and reference design to help users quickly prototype and integrate BD8139AEFV-E2 into their systems.

Please note that the answers provided here are general and may vary depending on the specific requirements and datasheet of BD8139AEFV-E2.