Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11557964 | High-efficiency low-ripple burst mode for a charge pump | Jialei Xu, Chunping Song, Ta-Tung Yen | 2023-01-17 |
| 10756614 | Lossless average input and output current sensing in a switched-mode power supply | Michael Bui, Steve Hawley, Chunping Song | 2020-08-25 |
| 10523042 | Master-slave charging circuit with slave charger input current sensing and adaptive battery current limiting | Chunping Song, Jialei Xu, Steve Hawley, Neal HOROVITZ, Shashank Prakash Mane | 2019-12-31 |
| 10326296 | Dual-phase operation for concurrently charging a battery and powering a peripheral device | Steve Hawley, Thomas O'Brien | 2019-06-18 |
| 10270342 | Error correction for average current sensing in a switching regulator | Michael Bui, Chunping Song, Jialei Xu | 2019-04-23 |
| 9755514 | Charge shedding circuit | William Rader | 2017-09-05 |
| 9294110 | Correction circuits for successive-approximation-register analog-to-digital converters | William Rader | 2016-03-22 |
| 7107468 | Peak current sharing in a multi-phase buck converter power system | Terry J. Groom | 2006-09-12 |
| 7019504 | Constant ON-time controller for a buck converter | Terry J. Groom | 2006-03-28 |
| 6871289 | Slew rate limited reference for a buck converter | Terry J. Groom | 2005-03-22 |
| 6768376 | Dual mode class D amplifiers | David Hoyt, Patrick A. Begley, Arecio A. Hernandez, Jeffrey M. Strang | 2004-07-27 |
| 6587670 | Dual mode class D amplifiers | David Hoyt, Patrick A. Begley, Arecio A. Hernandez, Jeffrey M. Strang | 2003-07-01 |
| 6583610 | Virtual ripple generation in switch-mode power supplies | Terry J. Groom | 2003-06-24 |
| 6495995 | Self-clocking multiphase power supply controller | Terry J. Groom, Kwang-Hwa Liu | 2002-12-17 |
| 6472856 | Bounded power supply voltage positioning | Terry J. Groom | 2002-10-29 |
| 6304137 | Output stage for high power class D amplifiers | John Ulrick, Michael M. Walters | 2001-10-16 |
| 6297693 | Techniques for synchronizing a self oscillating variable frequency modulator to an external clock | — | 2001-10-02 |
| 6249182 | Class D amplifier with bandwidth independent of load impedance | — | 2001-06-19 |
| 6232833 | Low noise low distortion class D amplifier | — | 2001-05-15 |
| 6229389 | Class D modulator with peak current limit and load impedance sensing circuits | Harold A. Witlinger | 2001-05-08 |
| 6172541 | Driver circuit having load-independent slew rate | William R. Young | 2001-01-09 |
| 6118336 | Start-up circuit for self oscillating class D modulator | Donald R. Preslar | 2000-09-12 |
| 6107875 | Variable frequency class D modulator with built in soft clipping and frequency limiting | Patrick A. Begley, Donald R. Preslar | 2000-08-22 |
| 6108182 | Overcurrent sensing circuit and self adjusting blanking | — | 2000-08-22 |