Rohm Semiconductor
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BD35390FJ-E2
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BD35390FJ-E2

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High efficiency, compact size, low power consumption
  • Package: Small Outline Package (SOP)
  • Essence: Power management IC for various electronic devices
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Input Voltage Range: 3.0V to 5.5V
  • Output Voltage Range: 1.2V to 3.3V
  • Maximum Output Current: 500mA
  • Operating Temperature Range: -40°C to +85°C
  • Efficiency: Up to 95%
  • Quiescent Current: 50µA

Detailed Pin Configuration

The BD35390FJ-E2 has a total of 8 pins:

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

Functional Features

  • Wide input voltage range allows compatibility with various power sources
  • High efficiency ensures minimal power loss during operation
  • Compact size enables integration into space-constrained designs
  • Low quiescent current reduces standby power consumption
  • Soft-start feature prevents excessive inrush current during startup
  • Power good indicator provides feedback on output voltage stability

Advantages and Disadvantages

Advantages

  • High efficiency leads to energy savings
  • Compact size facilitates design flexibility
  • Wide input voltage range enhances versatility
  • Low quiescent current minimizes power wastage
  • Soft-start feature protects components during startup

Disadvantages

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

Working Principles

The BD35390FJ-E2 is a power management IC that regulates the input voltage to provide a stable output voltage. It utilizes a switching regulator topology to achieve high efficiency. The feedback mechanism continuously monitors the output voltage and adjusts the switching frequency to maintain the desired voltage level. The enable pin allows control of the IC's operation, while the soft-start feature gradually ramps up the output voltage to prevent sudden current surges.

Detailed Application Field Plans

The BD35390FJ-E2 finds application in various electronic devices, including but not limited to:

  1. Mobile phones and smartphones
  2. Tablets and laptops
  3. Portable gaming consoles
  4. Wearable devices
  5. IoT (Internet of Things) devices
  6. Battery-powered devices
  7. Industrial automation systems
  8. Automotive electronics

Detailed and Complete Alternative Models

  1. BD35200FJ-E2: Similar power management IC with higher maximum output current (800mA)
  2. BD35450FJ-E2: Power management IC with lower quiescent current (30µA)
  3. BD35120FJ-E2: Power management IC with wider input voltage range (2.7V to 6.0V)
  4. BD35560FJ-E2: Power management IC with extended operating temperature range (-40°C to +105°C)

These alternative models offer different specifications and features to cater to specific application requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací BD35390FJ-E2 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of BD35390FJ-E2 in technical solutions:

  1. Q: What is BD35390FJ-E2? A: BD35390FJ-E2 is a specific model of integrated circuit (IC) used for power management in various technical solutions.

  2. Q: What are the key features of BD35390FJ-E2? A: Some key features of BD35390FJ-E2 include high efficiency, low power consumption, multiple protection functions, and a wide input voltage range.

  3. Q: In which applications can BD35390FJ-E2 be used? A: BD35390FJ-E2 can be used in a wide range of applications such as industrial automation, consumer electronics, automotive systems, and more.

  4. Q: How does BD35390FJ-E2 help in power management? A: BD35390FJ-E2 provides efficient power conversion, voltage regulation, and protection functions to ensure stable and reliable power supply to other components in a system.

  5. Q: What is the input voltage range supported by BD35390FJ-E2? A: BD35390FJ-E2 supports an input voltage range of typically 4.5V to 18V, making it suitable for various power sources.

  6. Q: Can BD35390FJ-E2 handle high current loads? A: Yes, BD35390FJ-E2 is designed to handle high current loads with its built-in overcurrent protection and thermal shutdown features.

  7. Q: Does BD35390FJ-E2 have any output voltage adjustment capabilities? A: Yes, BD35390FJ-E2 allows for adjustable output voltages through external resistors or feedback circuits.

  8. Q: What kind of protection functions does BD35390FJ-E2 offer? A: BD35390FJ-E2 offers protection against overcurrent, overvoltage, undervoltage, and overtemperature conditions to safeguard the system.

  9. Q: Can BD35390FJ-E2 operate in a wide temperature range? A: Yes, BD35390FJ-E2 is designed to operate reliably in a wide temperature range, typically from -40°C to 105°C.

  10. Q: Is there any evaluation board or reference design available for BD35390FJ-E2? A: Yes, manufacturers often provide evaluation boards and reference designs to help users understand and implement BD35390FJ-E2 in their applications.

Please note that these answers are general and may vary depending on the specific datasheet and application requirements of BD35390FJ-E2.