Rohm Semiconductor
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BD9745EKN-E2

BD9745EKN-E2

Product Overview

Category

BD9745EKN-E2 belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a voltage regulator in various electronic devices.

Characteristics

  • Voltage regulation capability
  • Compact package size
  • Low power consumption
  • High efficiency

Package

BD9745EKN-E2 is available in a small outline package (SOP) with a specified pin configuration.

Essence

The essence of BD9745EKN-E2 lies in its ability to regulate and stabilize voltage levels within electronic circuits.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each containing a specific quantity of ICs.

Specifications

BD9745EKN-E2 has the following specifications:

  • Input Voltage Range: 3V - 30V
  • Output Voltage Range: 1.2V - 15V
  • Maximum Output Current: 1.5A
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

BD9745EKN-E2 has the following pin configuration:

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. VOUT (Output Voltage)
  4. EN (Enable)
  5. FB (Feedback)
  6. COMP (Compensation)
  7. SS (Soft Start)
  8. PG (Power Good)

Functional Features

  • Voltage regulation: BD9745EKN-E2 ensures a stable output voltage regardless of input voltage fluctuations.
  • Overcurrent protection: It incorporates a built-in mechanism to protect against excessive current flow.
  • Thermal shutdown: The IC automatically shuts down when the temperature exceeds a certain threshold, preventing damage due to overheating.
  • Soft start: It provides a gradual increase in output voltage during startup, reducing stress on connected components.

Advantages and Disadvantages

Advantages

  • High voltage regulation accuracy
  • Compact size for space-constrained applications
  • Low power consumption
  • Wide input and output voltage range

Disadvantages

  • Limited maximum output current capacity
  • Relatively higher cost compared to some alternative models

Working Principles

BD9745EKN-E2 operates based on the principle of feedback control. It continuously monitors the output voltage and adjusts the internal circuitry to maintain a stable voltage level. This is achieved through a combination of error amplification, compensation, and feedback mechanisms.

Detailed Application Field Plans

BD9745EKN-E2 finds application in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable gaming consoles - Digital cameras - Industrial automation equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to BD9745EKN-E2 are: - BD9778HFP - LM317 - LT1083CP - TPS7A4700

These models offer similar functionality and can be used as substitutes depending on specific requirements.

In conclusion, BD9745EKN-E2 is a versatile voltage regulator IC with excellent voltage regulation capabilities, compact size, and low power consumption. While it has certain limitations in terms of maximum output current and cost, it offers numerous advantages in various electronic applications.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací BD9745EKN-E2 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of BD9745EKN-E2 in technical solutions:

  1. Q: What is BD9745EKN-E2? A: BD9745EKN-E2 is a power management IC (PMIC) designed for use in various technical solutions, such as consumer electronics, industrial equipment, and automotive applications.

  2. Q: What are the key features of BD9745EKN-E2? A: Some key features of BD9745EKN-E2 include multiple voltage regulators, overcurrent protection, thermal shutdown, and a wide input voltage range.

  3. Q: How many voltage regulators does BD9745EKN-E2 have? A: BD9745EKN-E2 has four voltage regulators, which can provide different output voltages to power various components in a system.

  4. Q: Can BD9745EKN-E2 handle high input voltages? A: Yes, BD9745EKN-E2 can handle a wide input voltage range from 4.5V to 26V, making it suitable for applications with varying power sources.

  5. Q: Does BD9745EKN-E2 offer overcurrent protection? A: Yes, BD9745EKN-E2 provides overcurrent protection, which helps prevent damage to the IC and connected devices in case of excessive current flow.

  6. Q: What is the thermal shutdown feature in BD9745EKN-E2? A: The thermal shutdown feature in BD9745EKN-E2 automatically shuts down the IC if it reaches a certain temperature threshold, protecting it from overheating.

  7. Q: Can BD9745EKN-E2 be used in automotive applications? A: Yes, BD9745EKN-E2 is suitable for automotive applications as it meets the necessary requirements, such as AEC-Q100 Grade 1 qualification.

  8. Q: Is BD9745EKN-E2 programmable? A: No, BD9745EKN-E2 is not programmable. It operates based on its fixed internal circuitry and does not require any external programming.

  9. Q: What are some typical applications of BD9745EKN-E2? A: BD9745EKN-E2 can be used in a wide range of applications, including smartphones, tablets, industrial control systems, LED lighting, and automotive infotainment systems.

  10. Q: Where can I find more information about BD9745EKN-E2? A: You can refer to the datasheet and application notes provided by the manufacturer or visit their official website for detailed information about BD9745EKN-E2.