仕様
| 属性 | 値 |
| Package / Case | Tube |
| Series | D-CAP2™ |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 18V |
| Voltage - Output (Min/Fixed) | 0.76V |
| Voltage - Output (Max) | 5.5V |
| Current - Output | 5.5A |
| Frequency - Switching | 650kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
概要
Description
The TPS54525PWP is a high-efficiency, synchronous step-down DC-DC converter designed by Texas Instruments. It is part of the SWIFT™ family of power regulators and is commonly used for converting a higher DC input voltage to a lower DC output voltage in applications requiring up to 5A of output current. This device features a wide input voltage range, typically from 4.5V to 18V, making it suitable for various electronic applications including industrial, embedded systems, and consumer electronics.
Key features include high efficiency through its integrated MOSFETs, current-mode control for simple compensation, and a fixed-frequency operation which reduces output voltage ripple and improves system stability. The TPS54525PWP also includes a soft-start function, an adjustable switching frequency, and various protection mechanisms such as overcurrent protection, overvoltage protection, and thermal shutdown to ensure reliable operation. Its small form factor with a PowerPAD™ package aids in effective heat dissipation, making it a robust solution for compact and space-constrained applications.
Key features include high efficiency through its integrated MOSFETs, current-mode control for simple compensation, and a fixed-frequency operation which reduces output voltage ripple and improves system stability. The TPS54525PWP also includes a soft-start function, an adjustable switching frequency, and various protection mechanisms such as overcurrent protection, overvoltage protection, and thermal shutdown to ensure reliable operation. Its small form factor with a PowerPAD™ package aids in effective heat dissipation, making it a robust solution for compact and space-constrained applications.
Equivalent
The TPS54525PWP is a DC-DC buck converter from Texas Instruments. Equivalent products from other manufacturers may include:
1. LM2678 from Texas Instruments - A 5A Step-Down Voltage Regulator.
2. LTC3863 from Analog Devices - A high-efficiency step-down DC/DC controller.
3. MP2482 from MPS (Monolithic Power Systems) - A high voltage, high-efficiency buck converter.
4. LM2596 from Texas Instruments - A 3A Step-Down Voltage Regulator.
Always verify compatibility with your specific application requirements.
1. LM2678 from Texas Instruments - A 5A Step-Down Voltage Regulator.
2. LTC3863 from Analog Devices - A high-efficiency step-down DC/DC controller.
3. MP2482 from MPS (Monolithic Power Systems) - A high voltage, high-efficiency buck converter.
4. LM2596 from Texas Instruments - A 3A Step-Down Voltage Regulator.
Always verify compatibility with your specific application requirements.
Features
The TPS54525PWP is a step-down converter from Texas Instruments designed to deliver high efficiency and performance in power management applications. It features a wide input voltage range from 4.5V to 18V, making it versatile for various power supply systems. The device can deliver up to 5A of continuous output current.
Key features include adaptive on-time D-CAP™ mode control for fast transient response and simplified loop compensation. It operates with a fixed 700 kHz switching frequency, ensuring efficient power conversion and reduced external component sizes. The converter supports an adjustable output voltage range from 0.76V to 6V, allowing for flexible application use.
Additional features include adjustable slow-start, pre-bias start-up capability, and an integrated bootstrap diode. The TPS54525PWP also offers protection features such as cycle-by-cycle current limit, thermal shutdown, and undervoltage lockout to enhance reliability. It is available in an HTSSOP-20 package, which provides a compact form factor suitable for space-constrained designs.
Key features include adaptive on-time D-CAP™ mode control for fast transient response and simplified loop compensation. It operates with a fixed 700 kHz switching frequency, ensuring efficient power conversion and reduced external component sizes. The converter supports an adjustable output voltage range from 0.76V to 6V, allowing for flexible application use.
Additional features include adjustable slow-start, pre-bias start-up capability, and an integrated bootstrap diode. The TPS54525PWP also offers protection features such as cycle-by-cycle current limit, thermal shutdown, and undervoltage lockout to enhance reliability. It is available in an HTSSOP-20 package, which provides a compact form factor suitable for space-constrained designs.
Pinout
The TPS54525PWP is a step-down (buck) converter IC from Texas Instruments. It comes in a 20-pin HTSSOP (PWP) package. This device is designed to provide a high-efficiency power solution with a wide input voltage range and capable of delivering up to 5 A of continuous output current. Its main functions include step-down voltage conversion, internal compensation, and integrated MOSFETs for improved efficiency. Key features are an adjustable output voltage, synchronous rectification, and current mode control for fast transient response. The device is typically used in applications such as power supplies for DSPs, FPGAs, and microcontrollers.
Manufacturer
The TPS54525PWP is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and produces a wide range of analog and embedded processing chips. It is one of the largest and most well-established companies in the semiconductor industry. TI serves various markets, including industrial, automotive, personal electronics, communications equipment, and enterprise systems.
Application
The TPS54525PWP is a high-efficiency step-down DC-DC converter ideal for applications requiring a compact, low-profile power solution. It is commonly used in areas such as telecommunications, networking equipment, and data centers for powering FPGAs, ASICs, and processors. Additionally, it is suitable for consumer electronics, automotive systems, and industrial automation devices where efficient power regulation and fast transient response are critical. Its wide input voltage range and high output current capability make it versatile for various power management needs in both fixed and portable electronic systems.
Package
The TPS54525PWP is a step-down DC-DC converter from Texas Instruments. It comes in a 20-pin HTSSOP (PWP) package, which features a thermally enhanced PowerPAD for improved heat dissipation.
