TPS548B28RWWR

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TPS548B28RWWR

2.7-V TO 16-V INPUT, 20-A SYNCHR

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規格

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 2.7V
Voltage-Input(Max) 16V
Voltage-Output(Min/Fixed) 0.6V
Voltage-Output(Max) 5.5V
Current-Output 20A
Frequency-Switching 600kHz, 800kHz, 1MHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 21-PowerVFQFN

概述

Description

The TPS548B28RWWR is a high-performance, synchronous buck converter designed by Texas Instruments. It is part of the TPS54 series, known for efficiency and compactness, making it ideal for space-constrained applications. This device operates with a wide input voltage range and provides a stable output voltage, supporting up to 8 A of continuous output current.
Key features include a high switching frequency that reduces the size of the external components, leading to a more compact design. It incorporates advanced control techniques to achieve high efficiency across various loads and features an adjustable output voltage. Protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout are integrated to ensure reliability and longevity.
The device is typically used in applications like telecommunications, networking, and computing, where efficient power management is crucial. Its compact package and ease of use make it a popular choice for engineers looking to optimize power solutions without compromising on performance.

Features

The TPS548B28RWWR is a high-efficiency step-down synchronous DC-DC converter from Texas Instruments. It is designed to deliver up to 15 A of continuous output current and is suitable for a wide range of applications. Key features include:
1. Input Voltage Range: Operates from 2.7 V to 16 V, making it versatile for various power supply sources.
2. Output Voltage: Adjustable output voltage from 0.6 V to 5.5 V to suit different loads.
3. Efficiency: High efficiency due to its synchronous rectification design, minimizing power loss.
4. Switching Frequency: Programmable switching frequency up to 2.2 MHz for optimizing efficiency and size.
5. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout to ensure reliable operation and protect against fault conditions.
6. Soft Start: Configurable soft-start feature to control inrush current during power-up.
7. Compact Package: Available in a small, thermally enhanced package, suitable for space-constrained applications.
These features make the TPS548B28RWWR ideal for use in computing, telecommunications, and other high-current, high-performance applications.

Package

The TPS548B28RWWR is a DC-DC buck converter from Texas Instruments. It comes in a VQFN (Very Thin Quad Flat No-Lead) package with specific dimensions and pins designed for efficient thermal performance and compact PCB layout. This package type is well-suited for high-density applications where space and heat dissipation are critical considerations.

Pinout

The TPS548B28RWWR is a high-efficiency, synchronous buck converter with a pin count of 20. This device is designed for step-down DC-DC applications and is capable of delivering up to 8 A of continuous output current.
Its functions include:
1. Input Voltage Range: It supports a wide input voltage range, typically from 2.7 V to 16 V, making it versatile for various applications.
2. Output Voltage: It can be configured to provide a wide range of output voltages, usually between 0.6 V and 5.5 V.
3. Efficiency: The converter is optimized for high efficiency across its operating range, featuring a low RDS(on) for both high-side and low-side MOSFETs.
4. Protection Features: It includes multiple protection mechanisms like overcurrent protection, thermal shutdown, and undervoltage lockout (UVLO).
5. Soft Start and Tracking: The TPS548B28RWWR offers a soft start and tracking functionality to prevent inrush current during startup.
This IC is commonly used in applications such as point-of-load (POL) power supplies, distributed power systems, and various other power management tasks in computing and networking equipment.

Manufacturer

The TPS548B28RWWR is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, which are used in electronic equipment across multiple industries. They are one of the largest companies in the semiconductor industry, known for their innovation and development of analog chips and embedded processors. TI serves a broad range of sectors, including automotive, industrial, personal electronics, and communications equipment.

Application

The TPS548B28RWWR is a DC-DC buck converter, suitable for various applications requiring efficient power management. Key application areas include telecommunications, networking equipment, servers, storage systems, and industrial automation. It is particularly useful in systems demanding high power density and precise voltage regulation, such as FPGA, ASIC, and DSP power supplies. Its small size and high efficiency make it ideal for compact designs and energy-sensitive applications.

Equivalent

The TPS548B28RWWR is a step-down voltage regulator from Texas Instruments. Equivalent products would include similar step-down converters from other manufacturers, such as the LM61460 from Texas Instruments (for comparison within the same brand), the MP8670 from Monolithic Power Systems, or the LTC7150S from Analog Devices. Always verify the electrical characteristics and pin compatibility before substituting.

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