The SWIFT TPS548D22 DC/DC converter contains a small PowerStack package and integrated MOSFETs to drive ASICs and DSPs in space-constrained applications.
Texas Instruments (TI) has brought to market a 40A, 16VIN synchronous step-down DC/DC converter with true differential remote-voltage sensing. The SWIFT TPS548D22 buck converter contains a small PowerStack package and integrated MOSFETs to drive ASICs and DSPs in space-constrained applications.
When used with TI’s WEBENCH Power Designer tool, the TPS548D22 allows engineers to get their power-dense wired and wireless communications; enterprise and cloud computing; and data-storage systems designs to market faster, indicated the company.
The DC/DC converter employs the D-CAP3 control-mode topology, features 0.5% reference-voltage accuracy over temperature, and includes true differential remote-voltage sensing to meet voltage requirements of deep submicron processors.
The TPS548D22 features integrated 2.9/1.2mΩ high-/low-side RDS(ON) power MOSFETs for increased power density and system reliability. In addition, true differential remote-voltage sensing improves load regulation for overall system accuracy, noted TI.
The PowerStack quad flat no-lead (QFN) packaging promises very high power density and allows easy heat sinking from the single ground pad on the bottom of the IC into the internal PCB ground layers with very few vias. Other features that help ensure predictable and reliable operation include internal soft start, input undervoltage protection and thermal shutdown, the company added.
Available in volume from TI and its authorised distributors, the TPS548D22 is packaged in a 40-pin, 5mm x 7mm x 1.5mm PowerStack QFN package and priced at $4.19 in 1,000-unit quantities.
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