規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | SWIFT™ |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.5V |
| Voltage-Input(Max) | 17V |
| Voltage-Output(Min/Fixed) | 0.8V |
| Voltage-Output(Max) | 15V |
| Current-Output | 3A |
| Frequency-Switching | 200kHz ~ 1.2MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 14-VFQFN Exposed Pad |
概述
Description
The TPS54320RHLR is a high-efficiency, synchronous step-down DC-DC converter designed for a wide range of applications requiring a compact, efficient power supply. Manufactured by Texas Instruments, it features an integrated MOSFET and supports an input voltage range from 4.5V to 17V, making it suitable for systems powered by a variety of sources such as batteries or power adapters.
The device can deliver up to 3A of continuous output current with high efficiency, thanks to its advanced control topology. It operates at a fixed 400 kHz switching frequency, which helps in minimizing the size of external components, thus reducing the overall footprint of the power supply design.
Additional features include adjustable output voltage, internal loop compensation, and protection mechanisms like over-current protection, over-voltage protection, and thermal shutdown. The TPS54320RHLR is available in a thermally enhanced 14-pin VQFN package, offering good thermal performance for applications with stringent space and power requirements. It is commonly used in industrial, consumer electronics, and communications equipment.
The device can deliver up to 3A of continuous output current with high efficiency, thanks to its advanced control topology. It operates at a fixed 400 kHz switching frequency, which helps in minimizing the size of external components, thus reducing the overall footprint of the power supply design.
Additional features include adjustable output voltage, internal loop compensation, and protection mechanisms like over-current protection, over-voltage protection, and thermal shutdown. The TPS54320RHLR is available in a thermally enhanced 14-pin VQFN package, offering good thermal performance for applications with stringent space and power requirements. It is commonly used in industrial, consumer electronics, and communications equipment.
Equivalent
The TPS54320RHLR is a DC-DC buck converter from Texas Instruments. Equivalent products could include the LM22670 or LM22671 from Texas Instruments, LM2576 from ON Semiconductor, or the LT8610 from Analog Devices. It's important to compare specifications like input voltage range, output current, switching frequency, and package type when selecting an equivalent. Always check the manufacturer's datasheets to ensure compatibility with your specific application requirements.
Features
The TPS54320RHLR is a DC-DC buck converter from Texas Instruments designed for high efficiency and compact applications. It features:
1. Input Voltage Range: 4.5V to 17V, suitable for a variety of power sources.
2. Output Current: Up to 3A continuous output current capability.
3. Adjustable Output Voltage: Allows for output voltages as low as 0.8V.
4. Switching Frequency: Programmable from 200 kHz to 1.6 MHz, offering flexibility in design and optimization for either efficiency or size.
5. High Efficiency: Achieves up to 95% efficiency, reducing heat generation and power loss.
6. Integrated MOSFETs: Reduces the need for external components, simplifying design and minimizing PCB space.
7. Soft Start: Adjustable soft-start time to control inrush current during startup.
8. Protection Features: Includes overcurrent protection and thermal shutdown to enhance reliability.
9. Package: Available in a compact 3mm × 3mm VQFN package, suitable for space-constrained applications.
The TPS54320RHLR is ideal for use in applications such as consumer electronics, industrial equipment, and telecommunications systems.
1. Input Voltage Range: 4.5V to 17V, suitable for a variety of power sources.
2. Output Current: Up to 3A continuous output current capability.
3. Adjustable Output Voltage: Allows for output voltages as low as 0.8V.
4. Switching Frequency: Programmable from 200 kHz to 1.6 MHz, offering flexibility in design and optimization for either efficiency or size.
5. High Efficiency: Achieves up to 95% efficiency, reducing heat generation and power loss.
6. Integrated MOSFETs: Reduces the need for external components, simplifying design and minimizing PCB space.
7. Soft Start: Adjustable soft-start time to control inrush current during startup.
8. Protection Features: Includes overcurrent protection and thermal shutdown to enhance reliability.
9. Package: Available in a compact 3mm × 3mm VQFN package, suitable for space-constrained applications.
The TPS54320RHLR is ideal for use in applications such as consumer electronics, industrial equipment, and telecommunications systems.
Pinout
The TPS54320RHLR is a 3A, 17V synchronous step-down DC-DC converter from Texas Instruments. It typically comes in a 16-pin QFN package. The main functions of the TPS54320 include providing a regulated output voltage from a higher input voltage source, suitable for applications like point-of-load power supplies in computing and communications equipment. Key features include internal compensation, an adjustable switching frequency, and efficiency optimized for low noise operation. The device also supports features like enable, soft start, and thermal shutdown for protection and ease of use.
Manufacturer
The TPS54320RHLR is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. TI is one of the top ten semiconductor companies worldwide, with a focus on developing analog chips and embedded processors, which are crucial components in electronics systems. The company serves a wide range of industries, including automotive, industrial, personal electronics, and communication equipment. Texas Instruments is known for its innovation and role in advancing technology in the electronics sector.
Application
The TPS54320RHLR is a step-down DC-DC converter commonly used in applications requiring efficient power management. Its application areas include:
1. Communications Infrastructure: Used in routers, switches, and base stations for stable power supply.
2. Industrial Equipment: Provides efficient power conversion in factory automation and control systems.
3. Consumer Electronics: Powers devices like televisions and set-top boxes.
4. Computing Systems: Used in desktops, servers, and networking equipment for reliable power delivery.
5. Automotive Systems: Suitable for infotainment systems and other automotive electronics due to its robustness.
Its compact size and high efficiency make it versatile for various power management tasks across different industries.
1. Communications Infrastructure: Used in routers, switches, and base stations for stable power supply.
2. Industrial Equipment: Provides efficient power conversion in factory automation and control systems.
3. Consumer Electronics: Powers devices like televisions and set-top boxes.
4. Computing Systems: Used in desktops, servers, and networking equipment for reliable power delivery.
5. Automotive Systems: Suitable for infotainment systems and other automotive electronics due to its robustness.
Its compact size and high efficiency make it versatile for various power management tasks across different industries.
Package
The TPS54320RHLR is a step-down converter from Texas Instruments, packaged in a VQFN (Very Thin Quad Flat No-lead) package. Specifically, it is in a 10-pin, 3.00 x 3.00 mm VQFN package, which provides a compact footprint suitable for space-constrained applications.
