TPS544B25RVFR

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TPS544B25RVFR

IC REG BUCK ADJ 20A 40LQFN

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Spécifications

Package Tape & Reel (TR)
Series SWIFT™
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 4.5V
Voltage-Input(Max) 18V
Voltage-Output(Min/Fixed) 0.5V
Voltage-Output(Max) 5.5V
Current-Output 20A
Frequency-Switching 200kHz ~ 1MHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 40-LFQFN Exposed Pad

Vue d'ensemble

Description

The TPS544B25RVFR is a high-efficiency, synchronous step-down DC-DC converter designed by Texas Instruments. It is part of the TPS54xxx family, which is known for its robust power management solutions. This converter is capable of delivering up to 20A of continuous output current, making it ideal for high-performance applications like telecommunications, servers, and industrial systems.
Key features of the TPS544B25RVFR include a wide input voltage range of 4.5V to 18V, programmable soft start, integrated MOSFETs, and advanced thermal management. It also supports PMBus interfaces for digital communication, allowing for flexible configuration, real-time monitoring, and fault reporting.
The converter utilizes D-CAP3™ mode control, which offers fast transient response and requires minimal external components, simplifying the design process. Its high efficiency and compact package make it suitable for space-constrained environments.
Overall, the TPS544B25RVFR is well-suited for applications requiring efficient power conversion and precise control over power delivery, thanks to its combination of analog and digital features.

Features

The TPS544B25RVFR is a DC-DC buck converter designed for high-performance applications. Key features include:
1. Input Voltage Range: Supports an input voltage range from 4.5V to 18V.
2. Output Voltage: Provides a programmable output voltage range from 0.6V to 5.5V, allowing for flexibility in various applications.
3. Output Current: Capable of delivering up to 4A continuous output current.
4. Efficiency: High efficiency, typically over 90%, due to advanced switching technology.
5. Switching Frequency: Programmable switching frequency from 200kHz to 1.2MHz, which aids in optimizing performance and component size.
6. Soft Start: Features a programmable soft-start function to control inrush current during startup.
7. Protection: Includes overcurrent protection, overvoltage protection, and thermal shutdown to enhance reliability.
8. Remote Sensing: Supports remote voltage sensing for improved load regulation.
9. I2C/PMBus Interface: Features an I2C/PMBus interface for easy configuration and monitoring.
10. Compact Package: Available in a 5mm x 6mm VQFN package, suitable for space-constrained applications.
These features make the TPS544B25RVFR suitable for use in telecommunications, networking, and industrial systems where efficient power management is crucial.

Package

The TPS544B25RVFR is a DC-DC converter from Texas Instruments, packaged in a 40-pin VQFN (Very Thin Quad Flat No-Lead) package. This package type is compact, which aids in efficient thermal performance and is suitable for space-constrained applications.

Pinout

The TPS544B25RVFR is a DC-DC converter from Texas Instruments. It is designed for high-efficiency synchronous buck power conversion and features a fully integrated 4.5 V to 18 V input voltage range. The device is notable for its flexibility and programmability, often used in applications requiring precision voltage regulation.
Regarding the pin count, the TPS544B25RVFR comes in a 5 mm x 7 mm, 40-pin VQFN package. The device's various pins offer functionality for input and output power, control, and feedback regulation. Key functions include:
1. VIN, VOUT, and GND pins for input, output, and ground connections.
2. PGOOD for power-good indication.
3. COMP for external compensation.
4. FB for feedback voltage sensing.
5. PMBus interface pins for digital control and monitoring.
6. EN for enabling/disabling the device.
7. SYNC for external clock synchronization.
This multi-pin configuration allows precise control over power conversion and is suitable for complex, high-performance applications.

Manufacturer

The TPS544B25RVFR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components and solutions. They are known for their analog and embedded processing products, which are used in various industries, including automotive, industrial, personal electronics, and communications. TI is recognized for its innovation in the semiconductor industry and its contributions to advancing technology through high-performance products and solutions.

Application

The TPS544B25RVFR is a synchronous buck converter primarily used in applications requiring efficient power management. Its applications include powering FPGAs, ASICs, and DSPs in telecom and networking equipment, server and storage systems, and industrial automation devices. Its high efficiency, integrated MOSFETs, and digital interface make it suitable for applications demanding precise voltage regulation and real-time monitoring.

Equivalent

Equivalent products to the TPS544B25RVFR, a synchronous buck converter by Texas Instruments, include:
1. LM5145 from Texas Instruments
2. LTC3880 from Analog Devices
3. ISL8273M from Renesas Electronics
4. MP2888A from Monolithic Power Systems
These alternatives offer similar functionalities, such as high-efficiency voltage regulation and digital control interfaces, suitable for applications requiring precise power management. Always verify specifications and compatibility for specific requirements.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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