A 400 nW Single-Inductor Dual-Input-Tri-Output DC-DC Buck-Boost Converter With Maximum Power Point Tracking for Indoor Photovoltaic Energy Harvesting
This paper presents a single-inductor dual-input- tri-output buck-boost (DITOBB) converter that manages energy harvesting, energy storage, and power rail regulation of an indoor remote sensor system. The converter operates in discontinuous conduction mode (DCM) and regulates the outputs with a combi...
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| Veröffentlicht in: | IEEE journal of solid-state circuits 2015-11, Vol.50 (11), p.2758-2772 |
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| creator | Guolei Yu Chew, Kin Wai Roy Zhuo Chao Sun Tang, Howard Siek, Liter |
| description | This paper presents a single-inductor dual-input- tri-output buck-boost (DITOBB) converter that manages energy harvesting, energy storage, and power rail regulation of an indoor remote sensor system. The converter operates in discontinuous conduction mode (DCM) and regulates the outputs with a combination of pulse-skipping modulation (PSM) and constant-ON-time pulse-frequency modulation (PFM). To reduce the quiescent power, all the circuit blocks are turned OFF when the outputs are within regulation, except a system clock generator. A newly designed relaxation oscillator provides the main clock of the system, which requires neither reference voltages nor comparators. The frequency of the system clock doubles or halves based on the states of the sources and outputs following a proposed algorithm. The DITOBB converter has been designed and fabricated using 0.18 μm CMOS process. With a quiescent power of 400 nW, the designed DITOBB converter shows a measured peak efficiency of 83% at 100 μW output power. |
| doi_str_mv | 10.1109/JSSC.2015.2476379 |
| format | Article |
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The converter operates in discontinuous conduction mode (DCM) and regulates the outputs with a combination of pulse-skipping modulation (PSM) and constant-ON-time pulse-frequency modulation (PFM). To reduce the quiescent power, all the circuit blocks are turned OFF when the outputs are within regulation, except a system clock generator. A newly designed relaxation oscillator provides the main clock of the system, which requires neither reference voltages nor comparators. The frequency of the system clock doubles or halves based on the states of the sources and outputs following a proposed algorithm. The DITOBB converter has been designed and fabricated using 0.18 μm CMOS process. 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(IEEE) Nov 2015</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c396t-dbc91423b84a851f49ad998910d0983c9dd893c4928a1fac8f39680db9a3e0773</citedby><cites>FETCH-LOGICAL-c396t-dbc91423b84a851f49ad998910d0983c9dd893c4928a1fac8f39680db9a3e0773</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/7293118$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27923,27924,54757</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/7293118$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Guolei Yu</creatorcontrib><creatorcontrib>Chew, Kin Wai Roy</creatorcontrib><creatorcontrib>Zhuo Chao Sun</creatorcontrib><creatorcontrib>Tang, Howard</creatorcontrib><creatorcontrib>Siek, Liter</creatorcontrib><title>A 400 nW Single-Inductor Dual-Input-Tri-Output DC-DC Buck-Boost Converter With Maximum Power Point Tracking for Indoor Photovoltaic Energy Harvesting</title><title>IEEE journal of solid-state circuits</title><addtitle>JSSC</addtitle><description>This paper presents a single-inductor dual-input- tri-output buck-boost (DITOBB) converter that manages energy harvesting, energy storage, and power rail regulation of an indoor remote sensor system. The converter operates in discontinuous conduction mode (DCM) and regulates the outputs with a combination of pulse-skipping modulation (PSM) and constant-ON-time pulse-frequency modulation (PFM). To reduce the quiescent power, all the circuit blocks are turned OFF when the outputs are within regulation, except a system clock generator. A newly designed relaxation oscillator provides the main clock of the system, which requires neither reference voltages nor comparators. The frequency of the system clock doubles or halves based on the states of the sources and outputs following a proposed algorithm. The DITOBB converter has been designed and fabricated using 0.18 μm CMOS process. With a quiescent power of 400 nW, the designed DITOBB converter shows a measured peak efficiency of 83% at 100 μW output power.</description><subject>Algorithms</subject><subject>Batteries</subject><subject>Buck-boost converter</subject><subject>Capacitors</subject><subject>Circuits</subject><subject>Clocks</subject><subject>Control</subject><subject>Converters</subject><subject>dc-dc converter</subject><subject>discontinuous conduction mode (DCM)</subject><subject>Energy harvesting</subject><subject>Indoor</subject><subject>Inductors</subject><subject>Modulation</subject><subject>Power demand</subject><subject>pulse-frequency modulation (PFM)</subject><subject>pulse-skipping modulation (PSM)</subject><subject>Rails</subject><subject>Switches</subject><issn>0018-9200</issn><issn>1558-173X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkc1uEzEURi1EJULLAyA2ltiwcbh37HTsZTsptKiokRJUdiPH42ndTsapfwJ9EN4XR6lYsLq-1vmOLX2EvEeYIoL6_G25bKYV4GxaifqU1-oVmeBsJhnW_OdrMgFAyVQF8Ia8jfGhrEJInJA_Z1QA0PGWLt14N1h2NXbZJB_oPOuhbNuc2Co4dpNTOdJ5w-YNPc_mkZ17HxNt_LizIdlAb126p9_1b7fJG7rwv8rVwrsx0VXQ5rHYaV-0xe_LWNz75Hd-SNoZejHacPdML3XY2ZgKeUKOej1E--5lHpMfXy5WzSW7vvl61ZxdM8PVaWLd2igUFV9LoeUMe6F0p5RUCB0oyY3qOqm4EaqSGnttZF9iErq10txCXfNj8ung3Qb_lMvb7cZFY4dBj9bn2GJdSwCJsirox__QB5_DWH5XqEoJqDnuhXigTPAxBtu32-A2Ojy3CO2-qHZfVLsvqn0pqmQ-HDLOWvuPL06OKPlfwhmOlg</recordid><startdate>20151101</startdate><enddate>20151101</enddate><creator>Guolei Yu</creator><creator>Chew, Kin Wai Roy</creator><creator>Zhuo Chao Sun</creator><creator>Tang, Howard</creator><creator>Siek, Liter</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope><scope>F28</scope><scope>FR3</scope></search><sort><creationdate>20151101</creationdate><title>A 400 nW Single-Inductor Dual-Input-Tri-Output DC-DC Buck-Boost Converter With Maximum Power Point Tracking for Indoor Photovoltaic Energy Harvesting</title><author>Guolei Yu ; Chew, Kin Wai Roy ; Zhuo Chao Sun ; Tang, Howard ; Siek, Liter</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c396t-dbc91423b84a851f49ad998910d0983c9dd893c4928a1fac8f39680db9a3e0773</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Algorithms</topic><topic>Batteries</topic><topic>Buck-boost converter</topic><topic>Capacitors</topic><topic>Circuits</topic><topic>Clocks</topic><topic>Control</topic><topic>Converters</topic><topic>dc-dc converter</topic><topic>discontinuous conduction mode (DCM)</topic><topic>Energy harvesting</topic><topic>Indoor</topic><topic>Inductors</topic><topic>Modulation</topic><topic>Power demand</topic><topic>pulse-frequency modulation (PFM)</topic><topic>pulse-skipping modulation (PSM)</topic><topic>Rails</topic><topic>Switches</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Guolei Yu</creatorcontrib><creatorcontrib>Chew, Kin Wai Roy</creatorcontrib><creatorcontrib>Zhuo Chao Sun</creatorcontrib><creatorcontrib>Tang, Howard</creatorcontrib><creatorcontrib>Siek, Liter</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><jtitle>IEEE journal of solid-state circuits</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Guolei Yu</au><au>Chew, Kin Wai Roy</au><au>Zhuo Chao Sun</au><au>Tang, Howard</au><au>Siek, Liter</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A 400 nW Single-Inductor Dual-Input-Tri-Output DC-DC Buck-Boost Converter With Maximum Power Point Tracking for Indoor Photovoltaic Energy Harvesting</atitle><jtitle>IEEE journal of solid-state circuits</jtitle><stitle>JSSC</stitle><date>2015-11-01</date><risdate>2015</risdate><volume>50</volume><issue>11</issue><spage>2758</spage><epage>2772</epage><pages>2758-2772</pages><issn>0018-9200</issn><eissn>1558-173X</eissn><coden>IJSCBC</coden><abstract>This paper presents a single-inductor dual-input- tri-output buck-boost (DITOBB) converter that manages energy harvesting, energy storage, and power rail regulation of an indoor remote sensor system. The converter operates in discontinuous conduction mode (DCM) and regulates the outputs with a combination of pulse-skipping modulation (PSM) and constant-ON-time pulse-frequency modulation (PFM). To reduce the quiescent power, all the circuit blocks are turned OFF when the outputs are within regulation, except a system clock generator. A newly designed relaxation oscillator provides the main clock of the system, which requires neither reference voltages nor comparators. The frequency of the system clock doubles or halves based on the states of the sources and outputs following a proposed algorithm. The DITOBB converter has been designed and fabricated using 0.18 μm CMOS process. With a quiescent power of 400 nW, the designed DITOBB converter shows a measured peak efficiency of 83% at 100 μW output power.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/JSSC.2015.2476379</doi><tpages>15</tpages></addata></record> |
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| source | IEEE Electronic Library (IEL) |
| subjects | Algorithms Batteries Buck-boost converter Capacitors Circuits Clocks Control Converters dc-dc converter discontinuous conduction mode (DCM) Energy harvesting Indoor Inductors Modulation Power demand pulse-frequency modulation (PFM) pulse-skipping modulation (PSM) Rails Switches |
| title | A 400 nW Single-Inductor Dual-Input-Tri-Output DC-DC Buck-Boost Converter With Maximum Power Point Tracking for Indoor Photovoltaic Energy Harvesting |
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