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DTSTART:19910915T010000
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DTSTAMP:20260327T075852Z
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DTSTART;TZID=Asia/Shanghai:20260324T160000
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DESCRIPTION:Title: Continuously Tunable Switched-Capacitor DC-DC Conversion
  Beyond Discrete Ratios\n\nAbstract:\nSwitched-capacitor (SC) DC-DC conver
 ters are easy to integrate in CMOS\, but they typically offer only a few d
 iscrete conversion ratios\, so efficiency drops once Vin or Vout moves awa
 y from those points. This talk presents a continuously scalable conversion
 -ratio (CSCR) SC approach that enables fine-grain ratio control over a wid
 e range. The operating principle is explained from a charge-transfer persp
 ective\, followed by what this implies for practical IC design: where the 
 main losses come from\, how they change across the tuning range\, and whic
 h constraints set the usable ratio window. The talk then sketches how the 
 same idea can be adapted to step-down and step-up use cases\, and summariz
 es circuit/architecture techniques that help extend the ratio range while 
 keeping efficiency high. Example application settings include energy-harve
 sting power management and low-power embedded systems with large voltage v
 ariability.\n\nSpeaker Biography:\nSijun Du is an Assistant Professor in t
 he Department of Microelectronics at Delft University of Technology\, Neth
 erlands. His research interests include energy-efficient integrated circui
 ts and systems\, with a special emphasis on energy harvesting\, wireless p
 ower transfer\, and DC/DC converters for IoT and biomedical applications. 
 He has authored or co-authored over 100 peer-reviewed technical papers and
  holds 5 patents. He has served as a program committee member of ISSCC and
  ESSERC\, and as a sub-committee chair for ICECS and ISCAS. Additionally\,
  he is a technical committee member for IEEE PELS and CASS\, a Senior Memb
 er of IEEE\, and a recipient of the prestigious NWO VENI grant.\n\nSpeaker
 (s): Prof. Sijun Du\, \n\nRoom: Lecture Hall 222\, 2F\, Bldg: No. 1 Resear
 ch Building\, No. 825 Zhangheng Road\, Fudan University\, Zhangjiang Campu
 s\, Pudong New District\, Shanghai\, Shanghai\, China
LOCATION:Room: Lecture Hall 222\, 2F\, Bldg: No. 1 Research Building\, No. 
 825 Zhangheng Road\, Fudan University\, Zhangjiang Campus\, Pudong New Dis
 trict\, Shanghai\, Shanghai\, China
ORGANIZER:23112020163@m.fudan.edu.cn
SEQUENCE:52
SUMMARY:Continuously Tunable Switched-Capacitor DC-DC Conversion Beyond Dis
 crete Ratios
URL;VALUE=URI:https://events.vtools.ieee.org/m/549280
X-ALT-DESC:Description: &lt;br /&gt;&lt;p&gt;&lt;strong&gt;Title: &lt;/strong&gt;&lt;strong&gt;&lt;span clas
 s=&quot;text-only&quot; data-eleid=&quot;5&quot;&gt;Continuously Tunable Switched-Capacitor DC-DC
  Conversion Beyond Discrete Ratios&lt;/span&gt;&lt;/strong&gt;&lt;/p&gt;\n&lt;p&gt;&amp;nbsp\;&lt;/p&gt;\n&lt;p
 &gt;&lt;strong&gt;&lt;span class=&quot;text-only&quot; data-eleid=&quot;5&quot;&gt;Abstract:&lt;/span&gt;&lt;/strong&gt;&lt;
 /p&gt;\n&lt;div data-lark-html-role=&quot;root&quot;&gt;&lt;span class=&quot;text-only&quot; data-eleid=&quot;9
 &quot;&gt;Switched-capacitor (SC) DC-DC converters are easy to integrate in CMOS\,
  but they typically offer only a few discrete conversion ratios\, so effic
 iency drops once Vin or Vout moves away from those points. This talk prese
 nts a continuously scalable conversion-ratio (CSCR) SC approach that enabl
 es fine-grain ratio control over a wide range. The operating principle is 
 explained from a charge-transfer perspective\, followed by what this impli
 es for practical IC design: where the main losses come from\, how they cha
 nge across the tuning range\, and which constraints set the usable ratio w
 indow. The talk then sketches how the same idea can be adapted to step-dow
 n and step-up use cases\, and summarizes circuit/architecture techniques t
 hat help extend the ratio range while keeping efficiency high. Example app
 lication settings include energy-harvesting power management and low-power
  embedded systems with large voltage variability.&lt;/span&gt;&lt;/div&gt;\n&lt;div data-
 lark-html-role=&quot;root&quot;&gt;&amp;nbsp\;&lt;/div&gt;\n&lt;div data-lark-html-role=&quot;root&quot;&gt;&lt;span
  class=&quot;text-only&quot; data-eleid=&quot;9&quot;&gt;&lt;strong&gt;&lt;span class=&quot;text-only&quot; data-ele
 id=&quot;5&quot;&gt;Speaker Biography:&lt;/span&gt;&lt;/strong&gt;&lt;/span&gt;&lt;/div&gt;\n&lt;div data-lark-htm
 l-role=&quot;root&quot;&gt;&lt;span class=&quot;text-only&quot; data-eleid=&quot;9&quot;&gt;&lt;span class=&quot;text-onl
 y&quot; data-eleid=&quot;5&quot;&gt;Sijun Du is an Assistant Professor in the Department of 
 Microelectronics at Delft University of Technology\, Netherlands. His rese
 arch interests include energy-efficient integrated circuits and systems\, 
 with a special emphasis on energy harvesting\, wireless power transfer\, a
 nd DC/DC converters for IoT and biomedical applications. He has authored o
 r co-authored over 100 peer-reviewed technical papers and holds 5 patents.
  He has served as a program committee member of ISSCC and ESSERC\, and as 
 a sub-committee chair for ICECS and ISCAS. Additionally\, he is a technica
 l committee member for IEEE PELS and CASS\, a Senior Member of IEEE\, and 
 a recipient of the prestigious NWO VENI grant.&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;\n&lt;div d
 ata-lark-html-role=&quot;root&quot;&gt;&amp;nbsp\;&lt;/div&gt;\n&lt;div data-lark-html-role=&quot;root&quot;&gt;&amp;
 nbsp\;&lt;/div&gt;
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