Issued Patents All Time
Showing 26–50 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7812581 | Pulse adding scheme for smooth phase dropping at light load conditions for multiphase voltage regulators | Weihong Qiu, Chun Cheung | 2010-10-12 |
| 7800352 | Controller having comp node voltage shift cancellation for improved discontinuous conduction mode (DCM) regulator performance and related methods | Weihong Qiu | 2010-09-21 |
| 7796365 | Method of improved current sensing in DC-DC converters | — | 2010-09-14 |
| RE41599 | Method of setting bi-directional offset in a PWM controller using a single programming pin | — | 2010-08-31 |
| 7782035 | Controller and driver communication for switching regulators | Chun Cheung, Weihong Qiu | 2010-08-24 |
| 7679218 | Load compensated switching regulator | — | 2010-03-16 |
| 7592787 | Adaptive firing order control for dynamic current balance of multiphase voltage regulators | Weihong Qui, Shangyang Xiao | 2009-09-22 |
| RE40915 | Programmable current-sensing circuit providing continuous temperature compensation for DC-DC converter | — | 2009-09-15 |
| 7541797 | Control of a DC power supply | Noel B. Dequina | 2009-06-02 |
| 7535211 | Voltage regulator having current canceling compensation | — | 2009-05-19 |
| 7514992 | Circuit for generating precision soft-start frequency for either value of address bit applied to external reset pin | Noel B. Dequina | 2009-04-07 |
| 7489121 | Compensation offset adjustment scheme for fast reference voltage transitioning | Weihong Qiu, Zhixiang Liang | 2009-02-10 |
| RE40593 | Multi-phase converter with balanced currents | Michael M. Walters, Charles E. Hawkes | 2008-12-02 |
| 7453250 | PWM controller with dual-edge modulation using dual ramps | Weihong Qiu, Zhixiang Liang, Ben Dowlat, Rami Abou-Hamze | 2008-11-18 |
| 7453246 | Adaptive PWM pulse positioning for fast transient response | Weihong Qiu, Zhixiang Liang | 2008-11-18 |
| 7345465 | Two pin-based sensing of remote DC supply voltage differential using precision operational amplifier and diffused resistors | Noel B. Dequina | 2008-03-18 |
| 7345463 | Load compensated switching regulator | — | 2008-03-18 |
| 7088151 | High voltage gate driver using a low voltage multi-level current pulse translator | Noel B. Dequina, Paul K. Sferrazza, Donald R. Preslar | 2006-08-08 |
| RE38940 | Synchronous-rectified DC to DC converter with improved current sensing | Charles E. Hawkes, Michael M. Walters | 2006-01-24 |
| 6977489 | Multiphase converter controller using single gain resistor | — | 2005-12-20 |
| 6975261 | High accuracy digital to analog converter using parallel P and N type resistor ladders | — | 2005-12-13 |
| RE38906 | Current mode DC/DC converter with controlled output impedance | Charles E. Hawkes, Michael M. Walters | 2005-12-06 |
| RE38846 | Multi-phase converter with balanced currents | Michael M. Walters, Charles E. Hawkes | 2005-10-25 |
| RE38780 | Current mode DC/DC converter with controlled output impedance | Charles E. Hawkes, Michael M. Walters | 2005-08-23 |
| 6765372 | Programmable current-sensing circuit providing continuous temperature compensation for DC-DC Converter | — | 2004-07-20 |