DocumentCode
281168
Title
Current sensing MOSFETs for protection and control
Author
Grant, D.A. ; Williams, R.
Author_Institution
Dept. of Electr. & Electron. Eng., Bristol Univ., UK
fYear
1992
fDate
33899
Firstpage
42583
Lastpage
42587
Abstract
One problem which has caused some difficulties in high frequency switching systems such as switched mode power supplies, is the amount of noise, or apparently spurious transients, occurring in the current signal at the moments of switching. This paper looks at the origin of these transients or spikes. The spikes appearing in the current sense signal when a current-sensing MOSFET is switched can be due to measurement difficulties but there are also real limitations associated with the means by which the sense current is converted to a voltage and with the way in which the device is packaged
Keywords
insulated gate field effect transistors; power transistors; switched mode power supplies; transients; current signal; noise; sense current; sense signal; spikes; spurious transients; switched mode power supplies;
fLanguage
English
Publisher
iet
Conference_Titel
Measurement Techniques for Power Electronics, IEE Colloquium on
Conference_Location
Birmingham
Type
conf
Filename
193730
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