規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR) |
| Series | SWIFT™, D-CAP3™, Eco-Mode™ |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.5V |
| Voltage-Input(Max) | 22V |
| Voltage-Output(Min/Fixed) | 0.6V |
| Voltage-Output(Max) | 5.5V |
| Current-Output | 40A |
| Frequency-Switching | Selectable |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 40-PowerLFQFN |
概述
Description
The TPS549D22RVFR is a high-efficiency, synchronous buck converter from Texas Instruments. It is designed for use in power management applications, offering a robust solution for step-down voltage conversion. Key features include its wide input voltage range, typically from 1.5V to 16V, and the ability to deliver up to 40A of continuous output current. The converter integrates both high-side and low-side MOSFETs, enhancing efficiency and reducing the need for external components.
The TPS549D22RVFR supports a selectable switching frequency, allowing designers to optimize for efficiency or size. It includes features like current mode control, internal soft-start, and power good indication. The device also offers comprehensive protection features, such as overcurrent protection, overvoltage protection, and thermal shutdown, ensuring reliable operation under various conditions.
With its small QFN package, the TPS549D22RVFR is suitable for space-constrained applications in computing, telecommunications, and networking equipment. Its flexibility and efficiency make it an excellent choice for modern power supply designs requiring compactness and high performance.
The TPS549D22RVFR supports a selectable switching frequency, allowing designers to optimize for efficiency or size. It includes features like current mode control, internal soft-start, and power good indication. The device also offers comprehensive protection features, such as overcurrent protection, overvoltage protection, and thermal shutdown, ensuring reliable operation under various conditions.
With its small QFN package, the TPS549D22RVFR is suitable for space-constrained applications in computing, telecommunications, and networking equipment. Its flexibility and efficiency make it an excellent choice for modern power supply designs requiring compactness and high performance.
Equivalent
The TPS549D22RVFR is a DC-DC buck converter by Texas Instruments. Equivalent products could include other high-current, synchronous buck converters with similar specifications. Potential alternatives might be the ADP5134 from Analog Devices, LTC7150S from Analog Devices/Linear Technology, and the ISL8215M from Renesas. When selecting a substitute, ensure that crucial specifications like input voltage range, output voltage, switching frequency, and current capability match the TPS549D22RVFR requirements. Always consult the datasheets for compatibility.
Features
The TPS549D22RVFR is a highly efficient, integrated synchronous buck converter. Key features include:
1. Wide Input Voltage Range: Operates from 1.5V to 16V, making it suitable for a variety of applications.
2. High Output Current: Supports up to 40A continuous output current.
3. Adjustable Switching Frequency: Offers a wide frequency range from 600 kHz to 1.5 MHz.
4. Advanced Control Topology: Utilizes D-CAP3™ mode for fast transient response and excellent load regulation.
5. Integrated MOSFETs: Enhances efficiency and reduces the need for external components.
6. PMBus Interface: Provides flexibility for digital control and monitoring.
7. Comprehensive Protection Features: Includes over-current protection, over-temperature protection, and under-voltage lockout.
8. Compact Package: Available in a 5mm x 7mm QFN package, allowing for space-efficient designs.
These features make the TPS549D22RVFR suitable for high-performance computing, networking, and telecommunications applications where space, efficiency, and thermal management are critical.
1. Wide Input Voltage Range: Operates from 1.5V to 16V, making it suitable for a variety of applications.
2. High Output Current: Supports up to 40A continuous output current.
3. Adjustable Switching Frequency: Offers a wide frequency range from 600 kHz to 1.5 MHz.
4. Advanced Control Topology: Utilizes D-CAP3™ mode for fast transient response and excellent load regulation.
5. Integrated MOSFETs: Enhances efficiency and reduces the need for external components.
6. PMBus Interface: Provides flexibility for digital control and monitoring.
7. Comprehensive Protection Features: Includes over-current protection, over-temperature protection, and under-voltage lockout.
8. Compact Package: Available in a 5mm x 7mm QFN package, allowing for space-efficient designs.
These features make the TPS549D22RVFR suitable for high-performance computing, networking, and telecommunications applications where space, efficiency, and thermal management are critical.
Pinout
The TPS549D22RVFR is a 42-pin device. It is a high-efficiency, synchronous buck converter designed by Texas Instruments. This device is typically used for step-down power conversion applications, providing a high density, high-efficiency power solution for various applications such as telecommunications, networking, and servers.
Key functions of the TPS549D22RVFR include:
1. Input Voltage Range: Operates from a 1.5 V to 16 V input voltage range.
2. Output Voltage: Capable of delivering output voltages as low as 0.6 V.
3. Current Capability: Supports up to 40 A continuous output current.
4. Efficiency: Designed for high efficiency with integrated synchronous rectification.
5. Switching Frequency: Adjustable switching frequency ranging from 300 kHz to 1 MHz.
6. Protection Features: Includes overcurrent protection, overvoltage protection, and thermal shutdown.
7. Control Features: Features enhanced transient response and supports voltage mode control.
8. Communication: Includes PMBus interface for monitoring and control.
The TPS549D22RVFR is suitable for applications where space and efficiency are critical, ensuring reliable power management in complex systems.
Key functions of the TPS549D22RVFR include:
1. Input Voltage Range: Operates from a 1.5 V to 16 V input voltage range.
2. Output Voltage: Capable of delivering output voltages as low as 0.6 V.
3. Current Capability: Supports up to 40 A continuous output current.
4. Efficiency: Designed for high efficiency with integrated synchronous rectification.
5. Switching Frequency: Adjustable switching frequency ranging from 300 kHz to 1 MHz.
6. Protection Features: Includes overcurrent protection, overvoltage protection, and thermal shutdown.
7. Control Features: Features enhanced transient response and supports voltage mode control.
8. Communication: Includes PMBus interface for monitoring and control.
The TPS549D22RVFR is suitable for applications where space and efficiency are critical, ensuring reliable power management in complex systems.
Manufacturer
The TPS549D22RVFR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components and integrated circuits for various industries. The company is known for its innovations in analog and embedded processing products, which are used in applications spanning industrial, automotive, personal electronics, communications equipment, and enterprise systems. TI focuses on providing solutions that enhance performance, power efficiency, and overall system capabilities.
Application
The TPS549D22RVFR is a high-efficiency, synchronous buck converter designed for applications that require high power density and precise voltage regulation. Key application areas include:
1. Telecommunications Equipment: Used in base stations and routers for reliable power management.
2. Data Centers: Powers servers and storage systems with high current demands.
3. Industrial Automation: Provides stable power in automated machinery and control systems.
4. Networking Devices: Supports switches and other network infrastructure.
5. Embedded Systems: Ideal for powering microcontrollers and processors in complex systems.
Its features, such as PMBus compatibility and adaptive on-time control, make it suitable for applications requiring flexibility and high-performance power solutions.
1. Telecommunications Equipment: Used in base stations and routers for reliable power management.
2. Data Centers: Powers servers and storage systems with high current demands.
3. Industrial Automation: Provides stable power in automated machinery and control systems.
4. Networking Devices: Supports switches and other network infrastructure.
5. Embedded Systems: Ideal for powering microcontrollers and processors in complex systems.
Its features, such as PMBus compatibility and adaptive on-time control, make it suitable for applications requiring flexibility and high-performance power solutions.
Package
The TPS549D22RVFR is a DC-DC buck converter packaged in a 40-pin VQFN (Very Thin Quad Flat No-Lead) package. This package type features a small footprint and enhanced thermal performance, making it suitable for high-density power management applications.
