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DC/DC converter touts MOSFETs in HotRod QFN package

Posted: 11 Apr 2013     Print Version  Bookmark and Share

Keywords:Texas Instruments  MOSFET  HotRod QFN  SWIFT 10-A TPS54020  DC/DC converter 

Texas Instruments Inc. (TI) has debuted a synchronous step-down DC/DC converter with integrated MOSFETs in a 3.5 x 3.5mm HotRod QFN package.

The SWIFT 10-A TPS54020 claims to deliver the highest power density and includes frequency synchronization, 180-degree out-of-phase switching and selectable current limit to power FPGAs, SoCs, DSPs and processors in high-voltage, space-constrained communication, gaming and industrial computing applications.

The HotRod integrated circuit package protects the integrated MOSFETs from parasitic inductance and allows low resistance, enabling high current and efficiency and small size. The thermally enhanced, 15-lead package is 50 per cent smaller than similar offerings, added TI.

The TPS54020 DC/DC converter has an integrated 8mΩ high-side and 6mΩ low-side MOSFETs that the company said provide up to 96 per cent efficiency from 12-1V. It also has a selectable 6A, 8A and 10A current limit thresholds that allow optimization for efficiency at a lower output current, while reducing the size of external components.

Additionally, its 200KHz to 1.2MHz adjustable switching frequency supports small output inductors and capacitors for further space savings.

The TPS54020 DC/DC converter is available in a 15-lead HotRod QFN package and is priced at Rs.185.48 ($3.45) in 1,000-unit quantities.

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