Texas Instruments

TPS54540DDAR  

DC Switching Voltage Regulators

The Texas Instruments TPS54540DDAR is a highly integrated step-down (buck) converter that offers high efficiency and high-density power conversion in a compact package. It is designed to provide a stable and regulated output voltage from a wide range of input voltages, making it suitable for a variety of applications.

Description:

The TPS54540DDAR is a synchronous, step-down converter that operates with a wide input voltage range of 4.5V to 22V. It has a compact 12mm x 12mm thermally enhanced QFN package, making it suitable for space-constrained applications. The device features a high efficiency of up to 98%, which helps to reduce power dissipation and improve overall system performance.

Features:

1. Wide input voltage range: 4.5V to 22V
2. High efficiency: up to 98%
3. Compact 12mm x 12mm thermally enhanced QFN package
4. Synchronous rectification for improved efficiency
5. Programmable soft-start and output voltage tracking
6. Over-current protection, over-voltage protection, and thermal shutdown
7. Low quiescent current: 3.5μA (typical)
8. Wide output voltage range: 0.9V to 12V
9. High output current: up to 3A

Applications:

The TPS54540DDAR is suitable for a variety of applications where high efficiency and high-density power conversion are required. Some of the key applications include:

1. Automotive systems: Infotainment systems, instrument clusters, and lighting control
2. Industrial systems: Motor control, sensor power supplies, and programmable logic controllers
3. Telecommunications: Base stations, routers, and network switches
4. Computing and storage: Solid-state drives (SSDs), hard disk drives (HDDs), and servers
5. Consumer electronics: Smart home devices, wearables, and portable electronics

In summary, the Texas Instruments TPS54540DDAR is a highly efficient and compact step-down converter that is suitable for a wide range of applications. Its high efficiency, programmable features, and robust protection mechanisms make it an ideal choice for power conversion in automotive, industrial, telecommunications, computing, and consumer electronics applications.

TPS54540DDAR Documents

Download datasheets and manufacturer documentation for TPS54540DDAR

PCN Assembly/Origin :

Assembly Site 03/May/2023      

Datasheets :

TPS54540      

Design Resources :

TPS54540 Design with WEBENCH® Power Designer      

HTML Datasheet :

TPS54540      

PCN Design/Specification :

TPS54yyy Dev DataSheet Update 18/Apr/2017       Datasheet Update 18/Mar/2014