IC Design and Measurement of an Inductorless 48 V DC/DC Converter in Low-Cost CMOS Technology Facing Harsh Environments.
In: IEEE Transactions on Circuits & Systems. Part I: Regular Papers, Jg. 65 (2018), Heft 1, S. 380-393
Online
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Zugriff:
With reference to 48-V systems, used in electric and hybrid vehicles and for telecom and networking power supply, this paper presents the circuit/transistor-level design, implementation, and test of an inductorless dc/dc converter. Its architecture is a cascade of three switched-capacitor converters with step-up/down capabilities plus linear converters, working in parallel at the end of the cascade. It provides multiple regulated voltages, which are isolated from input failures. The design also includes on-chip control unit and a serial interface toward an external host. Experimental tests carried out on the chip, fabricated in 0.35- \mu \textm CMOS technology, proves that the design is suitable to face harsh operating environments, including the 48-V automotive one. Compared with the state-of-art, the proposed design stands for its wide input voltage regulation range, load/line regulation, power supply rejection ratio, and low electromagnetic interference emissions. [ABSTRACT FROM PUBLISHER]
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Titel: |
IC Design and Measurement of an Inductorless 48 V DC/DC Converter in Low-Cost CMOS Technology Facing Harsh Environments.
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Autor/in / Beteiligte Person: | Saponara, Sergio ; Ciarpi, Gabriele |
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Zeitschrift: | IEEE Transactions on Circuits & Systems. Part I: Regular Papers, Jg. 65 (2018), Heft 1, S. 380-393 |
Veröffentlichung: | 2018 |
Medientyp: | serialPeriodical |
ISSN: | 1549-8328 (print) |
DOI: | 10.1109/TCSI.2017.2713702 |
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