Texas Instruments

TPS544B25RVFT  

DC Switching Voltage Regulators

TPS544B25RVFT is a high-performance synchronous step-down (buck) regulator developed by Texas Instruments. It is designed to provide efficient and stable power conversion for a wide range of applications. Here's a description of the TPS544B25RVFT, including its features and applications:

Description:

The TPS544B25RVFT is a highly integrated, high-efficiency synchronous step-down regulator with an input voltage range of 4.5V to 23V and an output voltage range of 0.95V to 12V. It is available in a compact 1.5mm x 1.5mm PowerPAK package, making it suitable for space-constrained applications.

Features:

1. High Efficiency: The TPS544B25RVFT offers high efficiency up to 95%, which helps reduce power dissipation and improve overall system performance.
2. Wide Input Voltage Range: The device can accept input voltages from 4.5V to 23V, making it suitable for various power supply sources.
3. Synchronous Rectification: The synchronous rectification feature minimizes switching losses and improves efficiency, especially at higher input voltages.
4. Tight Voltage Regulation: The TPS544B25RVFT provides tight output voltage regulation, ensuring stable and accurate output voltage across the load and line variations.
5. Low Quiescent Current: The device has a low quiescent current of 35µA in run mode, which helps reduce power consumption during light load conditions.
6. Programmable Soft Start: The soft-start feature allows for easy inrush current control and system protection during startup.
7. Protection Features: The TPS544B25RVFT includes various protection features such as over-current protection (OCP), over-temperature protection (OTP), and open-loop protection.
8. Small Package Size: The compact PowerPAK package saves board space and allows for easy integration into small form-factor designs.

Applications:

1. Portable Devices: The TPS544B25RVFT is suitable for powering portable devices such as smartphones, tablets, and wearable electronics.
2. Industrial Equipment: The device can be used in industrial applications where efficient power conversion and stable output voltage are required, such as in motor drives and control systems.
3. Automotive Applications: The TPS544B25RVFT can be used in automotive systems for power conversion, such as infotainment systems, lighting, and sensor power supplies.
4. Medical Devices: The device's high efficiency and tight voltage regulation make it suitable for powering sensitive medical equipment, such as portable medical instruments and wearable medical devices.
5. Telecom Equipment: The TPS544B25RVFT can be used in telecom equipment for power conversion, such as base stations, routers, and switches.

In summary, the TPS544B25RVFT is a versatile and efficient step-down regulator from Texas Instruments, designed to provide stable and accurate power conversion for a wide range of applications, from portable devices to industrial and automotive systems. Its high efficiency, wide input voltage range, and compact package size make it an attractive choice for designers looking for a reliable and space-saving power solution.

TPS544B25RVFT Documents

Download datasheets and manufacturer documentation for TPS544B25RVFT

Datasheets :

TPS544C25, TPS544B25 Datasheet      

Design Resources :

TPS544B25 Design with WEBENCH® Power Designer      

HTML Datasheet :

TPS544C25, TPS544B25 Datasheet      

PCN Design/Specification :

Material Set Chg 27/Jun/2016       Revision A 14/Jul/2016