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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | AbdElFattah, M. Mohieldin, A.N. Emira, A. Hussien, A.K. Sanchez-Sinencio, E. |
| Copyright Year | 2012 |
| Description | Author affiliation: Analog and Mixed-Signal Center, Texas A&M University, 77840, USA (Sanchez-Sinencio, E.) || Faculty of Engineering, Cairo University, Giza 12613, EGYPT (AbdElFattah, M.; Mohieldin, A.N.; Emira, A.; Hussien, A.K.) |
| 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 $30mm^{2}.$ |
| Starting Page | 381 |
| Ending Page | 384 |
| File Size | 573367 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781467308571 |
| e-ISBN | 9781467308595 |
| e-ISBN | 9781467308588 |
| DOI | 10.1109/NEWCAS.2012.6329036 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2012-06-17 |
| Publisher Place | Canada |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Phasor measurement units Charge pumps DC-DC power converters Capacitors Switching frequency Voltage control Voltage measurement |
| Content Type | Text |
| Resource Type | Article |
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