SHENZHEN GANGXINLI ELECTRONICS CO.,LTD
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SHENZHEN GANGXINLI ELECTRONICS CO.,LTD
Professional Electronic Component Distributor!
2026/7/31
The TPS544B28VANR is a high-efficiency synchronous buck converter designed for high-current point-of-load (POL) power applications. Featuring PMBus digital control, programmable output voltage, remote sensing and integrated MOSFETs, it offers excellent efficiency, fast transient response and flexible power management for modern computing and industrial systems.
Category: Integrated Circuits (ICs) Power Management (PMIC) Voltage Regulators - DC DC Switching Regulators
Voltage - Input (Max): 16V
Mfr: Texas Instruments
Voltage - Output (Min/Fixed): 0.4V
Packaging: Tape & Reel (TR)
Voltage - Output (Max): 5.5V
Part Status: Active
Current - Output: 20A
Function: Step-Down
Frequency - Switching: 500kHz, 600kHz, 800kHz, 1MHz, 1.2MHz, 1.4MHz
Output Configuration: Positive
Synchronous Rectifier: Yes
Topology: Buck
Operating Temperature: -40°C ~ 150°C (TJ)
Output Type: Adjustable
Mounting Type: Surface Mount
Number of Outputs: 1
Package / Case: 19-PowerWFQFN
Voltage - Input (Min): 2.7V
Supplier Device Package: 19-WQFN-HR (3x3)
High Output Current Capability: The TPS544B28VANR delivers up to 20A continuous output current, making it suitable for powering high-performance processors, FPGAs and ASIC devices that require large current with excellent efficiency.
Wide Input Voltage Range: The device supports 4V to 16V input voltage without external bias and can operate from 2.7V to 16V with an external bias supply, providing excellent flexibility for various power architectures.
PMBus Digital Power Management: The integrated PMBus 1.4 interface enables digital configuration, monitoring and telemetry of output voltage, current, temperature and fault status. It greatly simplifies intelligent power management in complex systems.
Ultra-Fast D-CAP4™ Control Technology: TI's proprietary D-CAP4™ adaptive on-time control provides extremely fast transient response while eliminating the need for external compensation components. This improves system stability during rapid load changes.
Differential Remote Sense: The converter supports differential remote sensing, allowing precise voltage regulation by compensating PCB trace voltage drops, improving output accuracy for high-current applications.
FPGA and ASIC Power Supplies: The device provides stable low-voltage, high-current power for FPGA, ASIC and programmable logic devices.
Server and Data Center Equipment: Used in servers and storage systems where intelligent digital power management and high-current conversion are required.
Communication Infrastructure: Provides efficient power conversion for telecom equipment, base stations and networking hardware.
Industrial Automation: Supports industrial controllers, PLCs and embedded computing platforms requiring reliable point-of-load power regulation.
AI and High-Performance Computing: Ideal for AI accelerators, GPUs and high-performance computing systems with demanding power requirements.
The TPS544B28VANR combines 20A high-current capability, PMBus digital control, D-CAP4 fast transient response and excellent efficiency into a compact power solution. It is an ideal DC/DC converter for modern computing, industrial and communication systems requiring intelligent power management.