Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE46333 | High-side sensing of zero inductor current for step-down DC-DC converter | Sisan Shen | 2017-03-07 |
| 9515556 | Current pulse count control in a voltage regulator | Xiping Yang, Sisan Shen | 2016-12-06 |
| 9491822 | LED driver with adaptive dynamic headroom voltage control | Xuelin Wu, Xiping Yang | 2016-11-08 |
| 8981737 | High efficiency PFM control for buck-boost converter | Shea Petricek | 2015-03-17 |
| 8896279 | Multi-phase non-inverting buck boost voltage converter | Xuelin Wu, Shea Petricek | 2014-11-25 |
| 8754623 | System and method for current limiting a DC-DC converter | Sicheng Chen, Xuelin Wu | 2014-06-17 |
| 8564259 | Clock phase shifter for use with buck-boost converter | Sicheng Chen, Xuelin Wu | 2013-10-22 |
| 8339116 | DC/DC converter including ultrasonic feature for use with low quiescent currents | Haito Hu, Sicheng Chen | 2012-12-25 |
| 8334683 | System and method for current limiting a DC-DC converter | Sicheng Chen, Xuelin Wu | 2012-12-18 |
| 8305055 | Non-inverting buck boost voltage converter | Xuelin Wu, Michael M. Walters | 2012-11-06 |
| 8067929 | High-side sensing of zero inductor current for step down DC-DC converter | Sisan Shen | 2011-11-29 |
| 7301715 | Preamplifier fly height control (FHC) driver and sensing circuit | Bryan E. Bloodworth, Mike Sheperek | 2007-11-27 |
| 7068458 | Preamplifier fly height control (FHC) driver and sensing circuit | Bryan E. Bloodworth, Mike Sheperek | 2006-06-27 |
| 7023647 | Fly height control for a read/write head in a hard disk drive | Bryan E. Bloodworth, Michael Sheperek, Jeremy Kuehlwein | 2006-04-04 |
| 6603366 | Trimmable oscillator | Fredrick W. Trafton, Marcus M. Martins | 2003-08-05 |
| 6510394 | Charge pump with switched capacitor feedback | Fredrick W. Trafton, Kirk D. Peterson | 2003-01-21 |