Static Characteristics of the Digital PWM and/or PFM Controlled Switching DC-DC Converters

Masahiro SASAKI; Hirofumi MATSUO; Fujio KUROKAWA; Yasuhiro MIMURA

doi:10.1093/ietcom/e90-b.3.645

Static Characteristics of the Digital PWM and/or PFM Controlled Switching DC-DC Converters

Masahiro SASAKI, Hirofumi MATSUO, Fujio KUROKAWA, Yasuhiro MIMURA

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The digitally controlled dc-dc converter has the advantage of high reliability, high controllability and high flexibility. A new digital controller for the PWM and/or PFM controlled switching dc-dc converters is presented, which is versatile in general use such as the switching frequency from 20 kHz to 70 kHz, the hard-switching and soft-switching and so forth. As an example, we apply this controller to half-bridge type series resonant dc-dc converter with auxiliary switches, in which both PWM and PFM control modes are employed, and the output characteristics of the converter are discussed. As a result, the relationships among circuit parameters of the proposed digital controller, switching frequency of the dc-dc converter, oscillation frequency of the VCO as analog to digital signal converter are defined.

Publication: IEICE TRANSACTIONS on Communications Vol.E90-B No.3 pp.645-650

Publication Date: 2007/03/01

Publicized

Online ISSN: 1745-1345

DOI: 10.1093/ietcom/e90-b.3.645

Type of Manuscript: PAPER

Category: Energy in Electronics Communications

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Masahiro SASAKI, Hirofumi MATSUO, Fujio KUROKAWA, Yasuhiro MIMURA, "Static Characteristics of the Digital PWM and/or PFM Controlled Switching DC-DC Converters" in IEICE TRANSACTIONS on Communications, vol. E90-B, no. 3, pp. 645-650, March 2007, doi: 10.1093/ietcom/e90-b.3.645.
Abstract: The digitally controlled dc-dc converter has the advantage of high reliability, high controllability and high flexibility. A new digital controller for the PWM and/or PFM controlled switching dc-dc converters is presented, which is versatile in general use such as the switching frequency from 20 kHz to 70 kHz, the hard-switching and soft-switching and so forth. As an example, we apply this controller to half-bridge type series resonant dc-dc converter with auxiliary switches, in which both PWM and PFM control modes are employed, and the output characteristics of the converter are discussed. As a result, the relationships among circuit parameters of the proposed digital controller, switching frequency of the dc-dc converter, oscillation frequency of the VCO as analog to digital signal converter are defined.
URL: https://globals.ieice.org/en_transactions/communications/10.1093/ietcom/e90-b.3.645/_p

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@ARTICLE{e90-b_3_645,
author={Masahiro SASAKI, Hirofumi MATSUO, Fujio KUROKAWA, Yasuhiro MIMURA, },
journal={IEICE TRANSACTIONS on Communications},
title={Static Characteristics of the Digital PWM and/or PFM Controlled Switching DC-DC Converters},
year={2007},
volume={E90-B},
number={3},
pages={645-650},
abstract={The digitally controlled dc-dc converter has the advantage of high reliability, high controllability and high flexibility. A new digital controller for the PWM and/or PFM controlled switching dc-dc converters is presented, which is versatile in general use such as the switching frequency from 20 kHz to 70 kHz, the hard-switching and soft-switching and so forth. As an example, we apply this controller to half-bridge type series resonant dc-dc converter with auxiliary switches, in which both PWM and PFM control modes are employed, and the output characteristics of the converter are discussed. As a result, the relationships among circuit parameters of the proposed digital controller, switching frequency of the dc-dc converter, oscillation frequency of the VCO as analog to digital signal converter are defined.},
keywords={},
doi={10.1093/ietcom/e90-b.3.645},
ISSN={1745-1345},
month={March},}

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TY - JOUR
TI - Static Characteristics of the Digital PWM and/or PFM Controlled Switching DC-DC Converters
T2 - IEICE TRANSACTIONS on Communications
SP - 645
EP - 650
AU - Masahiro SASAKI
AU - Hirofumi MATSUO
AU - Fujio KUROKAWA
AU - Yasuhiro MIMURA
PY - 2007
DO - 10.1093/ietcom/e90-b.3.645
JO - IEICE TRANSACTIONS on Communications
SN - 1745-1345
VL - E90-B
IS - 3
JA - IEICE TRANSACTIONS on Communications
Y1 - March 2007
AB - The digitally controlled dc-dc converter has the advantage of high reliability, high controllability and high flexibility. A new digital controller for the PWM and/or PFM controlled switching dc-dc converters is presented, which is versatile in general use such as the switching frequency from 20 kHz to 70 kHz, the hard-switching and soft-switching and so forth. As an example, we apply this controller to half-bridge type series resonant dc-dc converter with auxiliary switches, in which both PWM and PFM control modes are employed, and the output characteristics of the converter are discussed. As a result, the relationships among circuit parameters of the proposed digital controller, switching frequency of the dc-dc converter, oscillation frequency of the VCO as analog to digital signal converter are defined.
ER -