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Communication Dans Un Congrès Année : 2016

Design of a highly integrated, high frequency, low power DC-DC converter with cascode power stage with a 2.5D approach

Florian Neveu
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Frédéric Voiron
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Résumé

The paper presents the design and measurements for very high frequency, low power, inductive DC-DC converters (100 MHz, 3:3 V input voltage, 350 mW output power). Preliminary analyses including the state-of-the-art, the architecture and the technology are briefly discussed. A converter is designed as a power system-in-package, based on a cascode power stage in a 2.5D assembly using a capacitive interposer embedding deep trench capacitors. Experimental characterizations are presented. An efficiency of 90 % is demonstrated while converting from 3:3 V to 2:4 V and supplying 150 mA, showing a + 8 % efficiency improvement compared to a converter with a standard power stage.
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Dates et versions

hal-01646447 , version 1 (23-11-2017)

Identifiants

  • HAL Id : hal-01646447 , version 1

Citer

Florian Neveu, Christian Martin, Pascal Bevilacqua, Frédéric Voiron. Design of a highly integrated, high frequency, low power DC-DC converter with cascode power stage with a 2.5D approach. 9th CIPS, Mar 2016, Nuremberg, Germany. ⟨hal-01646447⟩
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