Assignee
ALPHA AND OMEGA SEMICONDUCTOR (CAYMAN) LTD
US·18 granted patents·63 citations·filing 2014–2019
Top patents by PatentIndex Score
18 records- 0191US9704789B1Molded intelligent power moduleALPHA AND OMEGA SEMICONDUCTOR (CAYMAN) LTD·Filed 2016·Granted Jul 11, 2017·11 cites·15 claims
- 0291US9437528B1Dual-side exposed semiconductor package with ultra-thin die and manufacturing method thereofALPHA AND OMEGA SEMICONDUCTOR (CAYMAN) LTD·Filed 2015·Granted Sep 6, 2016·15 cites·19 claims
- 0390US10756645B1Electrical power conversion system, control method and bridge rectifierALPHA AND OMEGA SEMICONDUCTOR (CAYMAN) LTD·Filed 2019·Granted Aug 25, 2020·8 cites·20 claims
- 0489US9664714B2Methods and devices for detecting the input voltage and discharging the residuevoltageALPHA AND OMEGA SEMICONDUCTOR (CAYMAN) LTD·Filed 2015·Granted May 30, 2017·7 cites·46 claims
- 0583US9881856B1Molded intelligent power moduleALPHA AND OMEGA SEMICONDUCTOR (CAYMAN) LTD·Filed 2017·Granted Jan 30, 2018·4 cites·15 claims
- 0681US9882500B2Power supply deviceALPHA AND OMEGA SEMICONDUCTOR (CAYMAN) LTD·Filed 2016·Granted Jan 30, 2018·4 cites·20 claims
- 0781US9490712B2Flyback converter output current evaluation circuit and evaluation methodALPHA AND OMEGA SEMICONDUCTOR (CAYMAN) LTD·Filed 2015·Granted Nov 8, 2016·2 cites·20 claims
- 0878US9685874B2Circuit and method for evaluation overload condition in flyback converterALPHA AND OMEGA SEMICONDUCTOR (CAYMAN) LTD·Filed 2015·Granted Jun 20, 2017·2 cites·22 claims
- 0978US9577542B2Constant on-time (COT) control in isolated converterALPHA AND OMEGA SEMICONDUCTOR (CAYMAN) LTD·Filed 2014·Granted Feb 21, 2017·5 cites·3 claims
- 1074US9515570B2Voltage detection circuit and a method of detecting voltage changesALPHA AND OMEGA SEMICONDUCTOR (CAYMAN) LTD·Filed 2015·Granted Dec 6, 2016·2 cites·21 claims
- 1171US9577543B2Constant on time (COT) control in isolated converterALPHA AND OMEGA SEMICONDUCTOR (CAYMAN) LTD·Filed 2014·Granted Feb 21, 2017·3 cites·19 claims
- 1252US9646920B2Power semiconductor device with small contact footprint and the preparation methodALPHA AND OMEGA SEMICONDUCTOR (CAYMAN) LTD·Filed 2014·Granted May 9, 2017·0 cites·8 claims
- 1351US9843268B2Power factor correction device and correcting method thereofALPHA AND OMEGA SEMICONDUCTOR (CAYMAN) LTD·Filed 2014·Granted Dec 12, 2017·0 cites·19 claims
- 1447US9854686B2Preparation method of a thin power deviceALPHA AND OMEGA SEMICONDUCTOR (CAYMAN) LTD·Filed 2015·Granted Dec 26, 2017·0 cites·6 claims
- 1547US9577518B2Voltage control method and apparatus for achieving and maintaining a targeted voltage on a loadALPHA AND OMEGA SEMICONDUCTOR (CAYMAN) LTD·Filed 2014·Granted Feb 21, 2017·0 cites·24 claims
- 1646US9742276B2Alternating current injection for constant-on time buck converter—a regulator control methodALPHA AND OMEGA SEMICONDUCTOR (CAYMAN) LTD·Filed 2015·Granted Aug 22, 2017·0 cites·20 claims
- 1744US9548667B2Constant on-time (COT) control in isolated converterALPHA AND OMEGA SEMICONDUCTOR (CAYMAN) LTD·Filed 2014·Granted Jan 17, 2017·0 cites·15 claims
- 1840US9627983B2Circuit suppressing excessive current in startup phase of a voltage converter and method thereofALPHA AND OMEGA SEMICONDUCTOR (CAYMAN) LTD·Filed 2015·Granted Apr 18, 2017·0 cites·12 claims
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