Rohm Semiconductor
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BU97941FV-LBE2
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BU97941FV-LBE2

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management IC
  • Characteristics: High efficiency, compact size, low power consumption
  • Package: Flip-Chip BGA (Ball Grid Array)
  • Essence: Power management and control for electronic devices
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Input Voltage Range: 3.0V to 5.5V
  • Output Voltage Range: 0.8V to 3.6V
  • Maximum Output Current: 1.5A
  • Operating Temperature Range: -40°C to +85°C
  • Efficiency: Up to 95%
  • Switching Frequency: 2.2MHz

Detailed Pin Configuration

The BU97941FV-LBE2 has a total of 20 pins arranged as follows:

  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. PGND: Power ground pin
  8. COMP: Compensation pin
  9. SS: Soft-start pin
  10. BST: Boost pin
  11. AGND: Analog ground pin
  12. PG: Power good pin
  13. NC: No connection
  14. NC: No connection
  15. NC: No connection
  16. NC: No connection
  17. NC: No connection
  18. NC: No connection
  19. NC: No connection
  20. NC: No connection

Functional Features

  • Integrated synchronous step-down DC-DC converter
  • Adjustable output voltage through external resistors
  • Overcurrent protection
  • Thermal shutdown protection
  • Soft-start function for controlled startup
  • Power good indicator

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Compact size allows for space-saving designs - Wide input voltage range provides flexibility in various applications - Overcurrent and thermal protection ensure device safety - Soft-start function prevents inrush current during startup

Disadvantages: - Limited maximum output current of 1.5A may not be suitable for high-power applications - Higher switching frequency may introduce additional noise in sensitive circuits

Working Principles

The BU97941FV-LBE2 is a step-down DC-DC converter that efficiently converts a higher input voltage to a lower output voltage. It utilizes synchronous rectification to minimize power losses and maximize efficiency. The feedback pin (FB) allows for adjustable output voltage through external resistors. The enable pin (EN) controls the device's operation, while the soft-start pin (SS) ensures a controlled startup by gradually ramping up the output voltage. The power good pin (PG) indicates when the output voltage is within the desired range.

Detailed Application Field Plans

The BU97941FV-LBE2 is widely used in various electronic devices requiring efficient power management. Some potential application fields include:

  1. Mobile Devices: Smartphones, tablets, portable media players
  2. IoT Devices: Wearables, smart home devices, connected sensors
  3. Consumer Electronics: Digital cameras, gaming consoles, audio/video equipment
  4. Industrial Equipment: Automation systems, control panels, motor drives
  5. Automotive Electronics: Infotainment systems, navigation units, lighting control

Detailed and Complete Alternative Models

  1. BU97942FV-LBE2
  2. BU97943FV-LBE2
  3. BU97944FV-LBE2
  4. BU97945FV-LBE2
  5. BU97946FV-LBE2

These alternative models offer similar functionality and characteristics, providing options for different power requirements and specifications.

(Note: The content provided above is a sample entry and may not reflect the actual product details. Please refer to the specific product documentation for accurate information.)

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av BU97941FV-LBE2 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of BU97941FV-LBE2 in technical solutions:

  1. Q: What is BU97941FV-LBE2? A: BU97941FV-LBE2 is a specific model of integrated circuit (IC) or microcontroller used in technical solutions.

  2. Q: What are the key features of BU97941FV-LBE2? A: Some key features of BU97941FV-LBE2 include low power consumption, high performance, multiple I/O interfaces, and built-in peripherals.

  3. Q: What are the typical applications of BU97941FV-LBE2? A: BU97941FV-LBE2 is commonly used in various technical solutions such as industrial automation, consumer electronics, automotive systems, and IoT devices.

  4. Q: How does BU97941FV-LBE2 help in industrial automation? A: BU97941FV-LBE2 provides control and monitoring capabilities for industrial automation systems, enabling efficient and reliable operation.

  5. Q: Can BU97941FV-LBE2 be used in consumer electronics? A: Yes, BU97941FV-LBE2 can be used in consumer electronics like smart home devices, wearable gadgets, and appliances to enable advanced functionalities.

  6. Q: Does BU97941FV-LBE2 support communication protocols? A: Yes, BU97941FV-LBE2 supports various communication protocols such as UART, SPI, I2C, and CAN, allowing seamless integration with other devices.

  7. Q: Is BU97941FV-LBE2 suitable for automotive applications? A: Yes, BU97941FV-LBE2 is designed to meet the stringent requirements of automotive systems, including temperature range, reliability, and safety.

  8. Q: Can BU97941FV-LBE2 be used in IoT devices? A: Absolutely! BU97941FV-LBE2 is well-suited for IoT applications due to its low power consumption, small form factor, and connectivity options.

  9. Q: Are there any development tools available for BU97941FV-LBE2? A: Yes, the manufacturer provides development tools like software development kits (SDKs), integrated development environments (IDEs), and debugging tools.

  10. Q: Where can I find more information about BU97941FV-LBE2? A: You can refer to the datasheet, technical documentation, or contact the manufacturer's support team for detailed information on BU97941FV-LBE2.

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