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아날로그 회로로 구현가능한 평균전류제어 저손실 bypass 전류센싱방법The Analog-circuited Low-loss Bypass Current Sensing Method for Average Current Mode Control
- Other Titles
- The Analog-circuited Low-loss Bypass Current Sensing Method for Average Current Mode Control
- Issue Date
- Apr-2014
- Publisher
- 전력전자학회
- Keywords
- shunt resistor; current measurement; averaging current mode control; current sampling; bypass switch; high efficiency; sample-and-holder
- Citation
- 전력전자학회 논문지, v.19, no.2, pp.133 - 138
- Journal Title
- 전력전자학회 논문지
- Volume
- 19
- Number
- 2
- Start Page
- 133
- End Page
- 138
- ISSN
- 1229-2214
- Abstract
- This paper proposes a low power-loss averaging current mode control using a resistor and bypass switch. Generally, current sensing method using a resistor has a disadvantage of power loss which degrades the efficiency of the entire systems. On the other hand, proposed measurement technique operating with bypass-switch connected in parallel with sensing resistor can reduce power loss significantly the current sensor. An analog-circuited bypass driver is implemented and used along with an average-circuit mode controller. The bypass switch bypasses the sensing current with a small amount of power loss. In this paper, a 50[W] prototype average current mode boost converter has been implemented for the experimental verification.
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Collections - College of Engineering > School of Electrical Engineering > 1. Journal Articles
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Related Researcher
- Park, Joung Hu
- College of Engineering (School of Electrical Engineering)