Current protected integrated transformer driver for isolating a DC-DC convertor
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United States of America Patent
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Jun 23, 2020
Grant Date -
Sep 12, 2019
app pub date -
Jan 30, 2019
filing date -
Sep 15, 2016
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Abstract
An improved electronic oscillator circuit suitable for use in an isolating DC-to-DC converter circuit, and an improved isolating DC-to-DC converter circuit. In one embodiment, an integrated circuit coupled to a transformer includes an oscillator and an output driver. The integrated circuit is preferably fabricated using a silicon-on-insulator technology. The oscillator outputs an alternating pulse signal defined by electrical characteristics of components other than the transformer. The alternating pulse signal is coupled to the output driver, the alternating output of which is coupled to corresponding legs of the primary winding of the transformer. The secondary winding of the transformer provides an electromagnetically coupled isolated output which may be rectified and filtered to produce a DC output voltage. Additional functionality, such as current protection circuitry for the improved circuits, may be readily added to the integrated circuit at little or no increase in cost.
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Patent Owner(s)
Patent Owner | Address | |
---|---|---|
PSEMI CORPORATION | SAN DIEGO CA |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Denny, Paul | Chew Magna, GB | 2 | 9 |
Denny, Simon | Reading, GB | 3 | 51 |
Kneller, Quinn | Witney, GB | 11 | 29 |
Moffat, Mark | Mortimer, GB | 16 | 77 |
Parish, Scott Andrew | Milton Keynes, GB | 13 | 30 |
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