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Self-Calibrated Knee Voltage Detector With 99.65% High Accuracy for AC Charger System in 0.5 \mum 500 V UHV Process.
- Source :
-
IEEE Transactions on Circuits & Systems. Part I: Regular Papers . Oct2014, Vol. 61 Issue 10, p2786-2795. 10p. - Publication Year :
- 2014
-
Abstract
- The self-calibrated knee voltage detector (SC-KVD) for electrical isolation primary side charger applications is proposed. The removal of the feedback network which is used in conventional designs and occupies at least 30 mm^2 can save PCB area up to around 11%. Besides, the SC-KVD can dynamically adjust the detection point to improve the accuracy to 99.65% compared to the prior arts. The test chip fabricated in 0.5 \mum 500 V UHV process can be powered on directly by the AC source owing to the 500 V ultra-high voltage device. Hence, the battery charger can be made more compact and portable than it was and the battery life can be prolonged and guaranteed. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 15498328
- Volume :
- 61
- Issue :
- 10
- Database :
- Academic Search Index
- Journal :
- IEEE Transactions on Circuits & Systems. Part I: Regular Papers
- Publication Type :
- Periodical
- Accession number :
- 98573239
- Full Text :
- https://doi.org/10.1109/TCSI.2014.2333683