Ultra-low-voltage power management unit for thermal energy harvesting applications
In this paper, an efficient ultra-low-voltage PMU working for TEG input voltages as low as 200mV is proposed. The PMU core, charging an energy buffer, employs a main DC/DC converter. It consists of a cascade of two Dickson-based charge pumps with a variable conversion factor and switching frequency....
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| creator | AbdElFattah, M. Mohieldin, A. N. Emira, A. Hussien, A. K. Sanchez-Sinencio, E. |
| description | In this paper, an efficient ultra-low-voltage PMU working for TEG input voltages as low as 200mV is proposed. The PMU core, charging an energy buffer, employs a main DC/DC converter. It consists of a cascade of two Dickson-based charge pumps with a variable conversion factor and switching frequency. Feedback is provided from the load buffer by means of a current sensor to a control unit that maximizes the overall power transfer efficiency at low input voltages. System simulation results demonstrate a peak efficiency greater than 70% with a controller current consumption less than 2μA. The PMU core was simulated in Cadence environment using a UMC CMOS 180nm process and the layout of the basic core building blocks is presented. The fully-integreable design consumes an area of approximately 30mm 2 . |
| doi_str_mv | 10.1109/NEWCAS.2012.6329036 |
| format | Conference Proceeding |
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The PMU core was simulated in Cadence environment using a UMC CMOS 180nm process and the layout of the basic core building blocks is presented. The fully-integreable design consumes an area of approximately 30mm 2 .</description><subject>Capacitors</subject><subject>Charge pumps</subject><subject>DC-DC power converters</subject><subject>Phasor measurement units</subject><subject>Switching frequency</subject><subject>Voltage control</subject><subject>Voltage measurement</subject><isbn>1467308579</isbn><isbn>9781467308571</isbn><isbn>9781467308595</isbn><isbn>1467308595</isbn><isbn>1467308587</isbn><isbn>9781467308588</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2012</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNo1kM1KAzEURiMiqHWeoJu8wIy5yWQmWZahaqEoaMVluU3vtJH5IxNb-vYWrGfzcTbf4jA2BZEBCPv4Ov-qZh-ZFCCzQkkrVHHFElsayItSCaOtvmb3_1LaW5aM47c4YyTkQt2x988mBkyb_pge-ibijvjQHynwFruztNRF_tP5yOs-8Lin0GLDqaOwO_E9hgON0Xc7jsPQeIfR9934wG5qbEZKLjthq6f5qnpJl2_Pi2q2TL0VMQUJpkQD2m6gdqhz6ZxAMIBblKiIHMlcgxV1KeqN2bi8cNIUmmoNW4FaTdj079YT0XoIvsVwWl8qqF8__1K1</recordid><startdate>201206</startdate><enddate>201206</enddate><creator>AbdElFattah, M.</creator><creator>Mohieldin, A. 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K.</creatorcontrib><creatorcontrib>Sanchez-Sinencio, E.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Xplore</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>AbdElFattah, M.</au><au>Mohieldin, A. N.</au><au>Emira, A.</au><au>Hussien, A. K.</au><au>Sanchez-Sinencio, E.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Ultra-low-voltage power management unit for thermal energy harvesting applications</atitle><btitle>10th IEEE International NEWCAS Conference</btitle><stitle>NEWCAS</stitle><date>2012-06</date><risdate>2012</risdate><spage>381</spage><epage>384</epage><pages>381-384</pages><isbn>1467308579</isbn><isbn>9781467308571</isbn><eisbn>9781467308595</eisbn><eisbn>1467308595</eisbn><eisbn>1467308587</eisbn><eisbn>9781467308588</eisbn><abstract>In this paper, an efficient ultra-low-voltage PMU working for TEG input voltages as low as 200mV is proposed. The PMU core, charging an energy buffer, employs a main DC/DC converter. It consists of a cascade of two Dickson-based charge pumps with a variable conversion factor and switching frequency. Feedback is provided from the load buffer by means of a current sensor to a control unit that maximizes the overall power transfer efficiency at low input voltages. System simulation results demonstrate a peak efficiency greater than 70% with a controller current consumption less than 2μA. The PMU core was simulated in Cadence environment using a UMC CMOS 180nm process and the layout of the basic core building blocks is presented. The fully-integreable design consumes an area of approximately 30mm 2 .</abstract><pub>IEEE</pub><doi>10.1109/NEWCAS.2012.6329036</doi><tpages>4</tpages></addata></record> |
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| ispartof | 10th IEEE International NEWCAS Conference, 2012, p.381-384 |
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| language | eng |
| recordid | cdi_ieee_primary_6329036 |
| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Capacitors Charge pumps DC-DC power converters Phasor measurement units Switching frequency Voltage control Voltage measurement |
| title | Ultra-low-voltage power management unit for thermal energy harvesting applications |
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