Rohm Semiconductor
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BD9E300EFJ-LBE2
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BD9E300EFJ-LBE2

Product Overview

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

Specifications

  • Input Voltage Range: 4.5V to 18V
  • Output Voltage Range: 0.8V to 5.5V
  • Maximum Output Current: 3A
  • Switching Frequency: 1MHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

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

Functional Features

  • High efficiency conversion
  • Wide input voltage range
  • Adjustable output voltage
  • Overcurrent protection
  • Thermal shutdown protection
  • Soft-start function for smooth operation
  • Power good indicator

Advantages

  • Compact size allows for space-saving designs
  • High efficiency reduces power consumption
  • Wide input voltage range provides flexibility in various applications
  • Adjustable output voltage accommodates different requirements
  • Overcurrent and thermal protection ensure safe operation
  • Soft-start function prevents excessive inrush current
  • Power good indicator enables easy monitoring of the output status

Disadvantages

  • Limited maximum output current may not be suitable for high-power applications
  • Operating temperature range may restrict usage in extreme environments

Working Principles

The BD9E300EFJ-LBE2 is a voltage regulator IC that converts the input voltage to a regulated output voltage. It utilizes a high-frequency switching technique to achieve high efficiency. The input voltage is first filtered and then fed into an internal control circuit. The control circuit adjusts the duty cycle of the internal switch to regulate the output voltage according to the feedback signal. The soft-start function gradually ramps up the output voltage during startup to prevent excessive current flow. The overcurrent and thermal protection mechanisms ensure safe operation by shutting down the device in case of abnormal conditions.

Detailed Application Field Plans

The BD9E300EFJ-LBE2 is widely used in various applications, including:

  1. Consumer Electronics: Power management for smartphones, tablets, and portable devices.
  2. Industrial Automation: Voltage regulation for motor drives, PLCs, and industrial control systems.
  3. Automotive: Power supply for infotainment systems, lighting, and sensors.
  4. Telecommunications: Power management for routers, switches, and network equipment.
  5. IoT Devices: Voltage regulation for smart home devices, wearables, and connected appliances.

Detailed and Complete Alternative Models

  1. BD9E301EFJ-LB: Similar specifications with adjustable output voltage range.
  2. BD9E302EFJ-LB: Higher maximum output current of 5A.
  3. BD9E303EFJ-LB: Lower input voltage range of 2.7V to 18V.
  4. BD9E304EFJ-LB: Higher switching frequency of 2MHz.

(Note: These alternative models are provided as examples and may not cover all available options.)

This concludes the encyclopedia entry for the BD9E300EFJ-LBE2 integrated circuit.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de BD9E300EFJ-LBE2 en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of BD9E300EFJ-LBE2 in technical solutions:

  1. Q: What is BD9E300EFJ-LBE2? A: BD9E300EFJ-LBE2 is a specific model of a power management IC (PMIC) designed for use in various technical solutions.

  2. Q: What are the key features of BD9E300EFJ-LBE2? A: Some key features of BD9E300EFJ-LBE2 include high efficiency, low quiescent current, wide input voltage range, and built-in protection functions.

  3. Q: In what applications can BD9E300EFJ-LBE2 be used? A: BD9E300EFJ-LBE2 can be used in a wide range of applications such as industrial equipment, consumer electronics, automotive systems, and more.

  4. Q: How does BD9E300EFJ-LBE2 help in power management? A: BD9E300EFJ-LBE2 provides efficient power conversion, voltage regulation, and protection functions, ensuring stable and reliable power supply to the connected devices.

  5. Q: What is the input voltage range supported by BD9E300EFJ-LBE2? A: BD9E300EFJ-LBE2 supports an input voltage range of typically 4.5V to 18V, making it suitable for a variety of power sources.

  6. Q: Can BD9E300EFJ-LBE2 handle high currents? A: Yes, BD9E300EFJ-LBE2 is capable of handling high currents up to a certain limit, which depends on the specific operating conditions and thermal considerations.

  7. Q: Does BD9E300EFJ-LBE2 have any built-in protection features? A: Yes, BD9E300EFJ-LBE2 incorporates various protection functions such as overcurrent protection, thermal shutdown, and undervoltage lockout to safeguard the connected devices.

  8. Q: Is BD9E300EFJ-LBE2 compatible with different control interfaces? A: Yes, BD9E300EFJ-LBE2 supports both analog and digital control interfaces, providing flexibility in system integration.

  9. Q: Can BD9E300EFJ-LBE2 operate in a wide temperature range? A: Yes, BD9E300EFJ-LBE2 is designed to operate reliably in a wide temperature range, typically from -40°C to 105°C.

  10. Q: Where can I find more detailed information about BD9E300EFJ-LBE2? A: You can refer to the datasheet or technical documentation provided by the manufacturer for more detailed information about BD9E300EFJ-LBE2, including specifications, application notes, and design guidelines.

Please note that the specific details and answers may vary depending on the actual product and its documentation.