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18 May 2020

How to concentrate on reading a book?

Posted by Xiufang.Ding 8 Month ago

It will take me a long time to finish reading a book. How to read a book? ... View More

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09 May 2020

peak current mode control in DC-DC switch mode power supply

Posted by zheng3726 8 Month ago

Peak current mode control is very popular in DCDC SMPS.It has many advantages,but it is susceptible to noise.When the duty cycle is greater than 0.5, it oscillates.This attached PDF explains the symptom in theory. Oscillation of PCM ... View More

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26 April 2020

Average current mode control in SMPS

Posted by zheng3726 9 Month ago

Current mode control as usually implemented in switching power supplies actually senses and controls peak inductor current. This gives rise to many serious problems, including poor noise immunity,a need for slope compensation, and peak-to-average current errors which the ...... View More

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22 April 2020

Announcing the Wolfspeed 650V Series of SiC MOSFETs

Posted by jackey.zhang 9 Month ago

These new SiC Mosfets maybe good choice for high Power density, Specially 60-mΩ for 1~2kw level. https://www.wolfspeed.com/knowledge-center/article/announcing-the-wolfspeed-650v-series-of-sic-mosfets?utm_source=press-release&utm_medium=web-pr&utm_campaign=650v ... View More

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21 February 2020

Integrated Magnetics

Posted by zheng3726 11 Month ago

Small size and high density is the label of the modern high power DCDC supplies.Integrated magnetics technology is one of the efficient ways.How does it work?... View More

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