A dynamic-biasing 4× charge pump based on exponential topology
A 4× charge pump using exponential topology is proposed and implemented. Comparing to the conventional implementations, the proposed circuit suppresses the reverse current effectively without using different threshold‐voltage transistors and additional capacitors. Also, the body effect found in the...
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| Veröffentlicht in: | International journal of circuit theory and applications 2015-03, Vol.43 (3), p.401-414 |
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| container_end_page | 414 |
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| container_issue | 3 |
| container_start_page | 401 |
| container_title | International journal of circuit theory and applications |
| container_volume | 43 |
| creator | Wong, Oi-Ying Wong, Hei Tam, Wing-Shan Kok, Chi-Wah |
| description | A 4× charge pump using exponential topology is proposed and implemented. Comparing to the conventional implementations, the proposed circuit suppresses the reverse current effectively without using different threshold‐voltage transistors and additional capacitors. Also, the body effect found in the charge transfer switches is eliminated. The proposed charge pump is analyzed with the state‐space method and fabricated using 0.35 µm complementary metal–oxide–semiconductor process. Results show that the output voltages close to the ideal one, and a maximum power efficiency of 95% was recorded. Copyright © 2013 John Wiley & Sons, Ltd.
This figure shows the measured power efficiency of the proposed 4× exponential charge pump with different loading currents at 25, 50, 100, and 200 kHz operation frequencies. A maximum power efficiency of 95% was found, which suggests that the proposed circuit can realize the voltage conversion effectively. |
| doi_str_mv | 10.1002/cta.1949 |
| format | Article |
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This figure shows the measured power efficiency of the proposed 4× exponential charge pump with different loading currents at 25, 50, 100, and 200 kHz operation frequencies. A maximum power efficiency of 95% was found, which suggests that the proposed circuit can realize the voltage conversion effectively.</description><identifier>ISSN: 0098-9886</identifier><identifier>EISSN: 1097-007X</identifier><identifier>DOI: 10.1002/cta.1949</identifier><identifier>CODEN: ICTACV</identifier><language>eng</language><publisher>Bognor Regis: Blackwell Publishing Ltd</publisher><subject>Capacitors ; charge pump ; Charge pumps ; Circuits ; Conversion ; DC/DC converter ; Electric potential ; Maximum power ; switched-capacitor ; Switches ; Topology ; Voltage ; voltage multiplier</subject><ispartof>International journal of circuit theory and applications, 2015-03, Vol.43 (3), p.401-414</ispartof><rights>Copyright © 2013 John Wiley & Sons, Ltd.</rights><rights>Copyright © 2015 John Wiley & Sons, Ltd.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3129-5346a91c55afc9af27604fce64124bf8ad9b182533eb543f61a5405cf0c3bd693</citedby><cites>FETCH-LOGICAL-c3129-5346a91c55afc9af27604fce64124bf8ad9b182533eb543f61a5405cf0c3bd693</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fcta.1949$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fcta.1949$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids></links><search><creatorcontrib>Wong, Oi-Ying</creatorcontrib><creatorcontrib>Wong, Hei</creatorcontrib><creatorcontrib>Tam, Wing-Shan</creatorcontrib><creatorcontrib>Kok, Chi-Wah</creatorcontrib><title>A dynamic-biasing 4× charge pump based on exponential topology</title><title>International journal of circuit theory and applications</title><addtitle>Int. J. Circ. Theor. Appl</addtitle><description>A 4× charge pump using exponential topology is proposed and implemented. Comparing to the conventional implementations, the proposed circuit suppresses the reverse current effectively without using different threshold‐voltage transistors and additional capacitors. Also, the body effect found in the charge transfer switches is eliminated. The proposed charge pump is analyzed with the state‐space method and fabricated using 0.35 µm complementary metal–oxide–semiconductor process. Results show that the output voltages close to the ideal one, and a maximum power efficiency of 95% was recorded. Copyright © 2013 John Wiley & Sons, Ltd.
This figure shows the measured power efficiency of the proposed 4× exponential charge pump with different loading currents at 25, 50, 100, and 200 kHz operation frequencies. A maximum power efficiency of 95% was found, which suggests that the proposed circuit can realize the voltage conversion effectively.</description><subject>Capacitors</subject><subject>charge pump</subject><subject>Charge pumps</subject><subject>Circuits</subject><subject>Conversion</subject><subject>DC/DC converter</subject><subject>Electric potential</subject><subject>Maximum power</subject><subject>switched-capacitor</subject><subject>Switches</subject><subject>Topology</subject><subject>Voltage</subject><subject>voltage multiplier</subject><issn>0098-9886</issn><issn>1097-007X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNp10E9LwzAYx_EgCs4p-BIKXrx0Jk3z7yRj6LQMPTint5Cm6Yx2TW1aXF-JL8g3ZsdEVPD0XD78ePgCcIzgCEEYnelGjZCIxQ4YIChYCCF73AUDCAUPBed0Hxx4_wwh5BEWA3A-DrKuVCurw9Qqb8tlEH-8B_pJ1UsTVO2qClLlTRa4MjDrypWmbKwqgsZVrnDL7hDs5arw5ujrDsH95cV8chXObqfXk_Es1BhFIiQ4pkogTYjKtVB5xCiMc21ojKI4zbnKRIp4RDA2KYlxTpEiMSQ6hxqnGRV4CE63u1XtXlvjG7myXpuiUKVxrZeIMiYY69d6evKHPru2LvvvekUx4YxEPwZ17byvTS6r2q5U3UkE5aak7EvKTcmehlv6ZgvT_evkZD7-7a1vzPrbq_pFUoYZkQ83U7m4S2CSJFwu8Cd3Y4KI</recordid><startdate>201503</startdate><enddate>201503</enddate><creator>Wong, Oi-Ying</creator><creator>Wong, Hei</creator><creator>Tam, Wing-Shan</creator><creator>Kok, Chi-Wah</creator><general>Blackwell Publishing Ltd</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>201503</creationdate><title>A dynamic-biasing 4× charge pump based on exponential topology</title><author>Wong, Oi-Ying ; Wong, Hei ; Tam, Wing-Shan ; Kok, Chi-Wah</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3129-5346a91c55afc9af27604fce64124bf8ad9b182533eb543f61a5405cf0c3bd693</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Capacitors</topic><topic>charge pump</topic><topic>Charge pumps</topic><topic>Circuits</topic><topic>Conversion</topic><topic>DC/DC converter</topic><topic>Electric potential</topic><topic>Maximum power</topic><topic>switched-capacitor</topic><topic>Switches</topic><topic>Topology</topic><topic>Voltage</topic><topic>voltage multiplier</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wong, Oi-Ying</creatorcontrib><creatorcontrib>Wong, Hei</creatorcontrib><creatorcontrib>Tam, Wing-Shan</creatorcontrib><creatorcontrib>Kok, Chi-Wah</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>International journal of circuit theory and applications</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wong, Oi-Ying</au><au>Wong, Hei</au><au>Tam, Wing-Shan</au><au>Kok, Chi-Wah</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A dynamic-biasing 4× charge pump based on exponential topology</atitle><jtitle>International journal of circuit theory and applications</jtitle><addtitle>Int. J. Circ. Theor. Appl</addtitle><date>2015-03</date><risdate>2015</risdate><volume>43</volume><issue>3</issue><spage>401</spage><epage>414</epage><pages>401-414</pages><issn>0098-9886</issn><eissn>1097-007X</eissn><coden>ICTACV</coden><abstract>A 4× charge pump using exponential topology is proposed and implemented. Comparing to the conventional implementations, the proposed circuit suppresses the reverse current effectively without using different threshold‐voltage transistors and additional capacitors. Also, the body effect found in the charge transfer switches is eliminated. The proposed charge pump is analyzed with the state‐space method and fabricated using 0.35 µm complementary metal–oxide–semiconductor process. Results show that the output voltages close to the ideal one, and a maximum power efficiency of 95% was recorded. Copyright © 2013 John Wiley & Sons, Ltd.
This figure shows the measured power efficiency of the proposed 4× exponential charge pump with different loading currents at 25, 50, 100, and 200 kHz operation frequencies. A maximum power efficiency of 95% was found, which suggests that the proposed circuit can realize the voltage conversion effectively.</abstract><cop>Bognor Regis</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1002/cta.1949</doi><tpages>14</tpages></addata></record> |
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| ispartof | International journal of circuit theory and applications, 2015-03, Vol.43 (3), p.401-414 |
| issn | 0098-9886 1097-007X |
| language | eng |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Capacitors charge pump Charge pumps Circuits Conversion DC/DC converter Electric potential Maximum power switched-capacitor Switches Topology Voltage voltage multiplier |
| title | A dynamic-biasing 4× charge pump based on exponential topology |
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