Issued Patents All Time
Showing 26–50 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7502240 | Distributed power supply system with separate SYNC control for controlling remote digital DC/DC converters | Kafai Leung, Donald E. Alfano | 2009-03-10 |
| 7498787 | Digital PWM controller for digital power supply having programmable dead times | Kafai Leung | 2009-03-03 |
| 7498962 | Analog-to-digital converter with low power track-and-hold mode | Donald E. Alfano, Danny J. Allred, Douglas S. Piasecki, Kenneth W. Fernald, Brian Caloway +3 more | 2009-03-03 |
| 7493505 | MCU with low power mode of operation | — | 2009-02-17 |
| 7456621 | Digital controller based power factor correction circuit | Donald E. Alfano, Ross Fosler | 2008-11-25 |
| 7446430 | Plural load distributed power supply system with shared master for controlling remote digital DC/DC converters | Kafai Leung, Donald E. Alfano | 2008-11-04 |
| 7428159 | Digital PWM controller | Kafai Leung, Jinwen Xaio, Chia-Ling Wei, Alvin Storvik, Biranchinath Sahu +1 more | 2008-09-23 |
| 7426645 | Digital power supply controller with integrated microcontroller | Kafai Leung, Jinwen Xaio, Chia-Ling Wei, Alvin Storvik, Biranchinath Sahu +1 more | 2008-09-16 |
| 7426123 | Finite state machine digital pulse width modulator for a digitally controlled power supply | Kafai Leung | 2008-09-16 |
| 7417877 | Digital power supply with programmable soft start | Chia-Ling Wei | 2008-08-26 |
| 7323855 | Digital pulse width modulated power supply with variable LSB | Jinwen Xiao, Douglas R. Holberg | 2008-01-29 |
| 7319312 | Digital power supply controller with voltage positioning | Jenwin Xiao | 2008-01-15 |
| 7315200 | Gain control for delta sigma analog-to-digital converter | Douglas R. Holberg | 2008-01-01 |
| 7301488 | Digital PWM controller for preventing limit cycle oscillations | Jinwen Xiao | 2007-11-27 |
| 7245512 | PID based controller for DC—DC converter with post-processing filters | Kafai Leung, Jinwen Xiao | 2007-07-17 |
| 7212061 | DPWM with leading edge blanker circuit | Kafai Leung, Jinwen Xiao | 2007-05-01 |
| 7188199 | DMA controller that restricts ADC from memory without interrupting generation of digital words when CPU accesses memory | Kafai Leung | 2007-03-06 |
| 7171542 | Reconfigurable interface for coupling functional input/output blocks to limited number of i/o pins | Donald E. Alfano, Danny J. Allred, Douglas S. Piasecki, Kenneth W. Fernald, Brian Caloway +3 more | 2007-01-30 |
| 7113011 | Low power PLL for PWM switching digital control power supply | Kafai Leung | 2006-09-26 |
| 7061421 | Flash ADC with variable LSB | Jinwen Xiao, Douglas R. Holberg | 2006-06-13 |
| 7047263 | Fast-settling digital filter and method for analog-to-digital converters | James L. Todsen, Timothy V. Kalthoff | 2006-05-16 |
| 6985101 | High speed comparator with blocking switches for SAR convertor | Doug Piasecki | 2006-01-10 |
| 6977607 | SAR with partial capacitor sampling to reduce parasitic capacitance | Eric J. Swanson | 2005-12-20 |
| 6956520 | SAR data converter with unequal clock pulses for MSBS to allow for settling | Doug Piasecki | 2005-10-18 |
| 6956518 | Method and apparatus for subclocking a SAR analog-to-digital converter | Douglas S. Piasecki, Kenneth W. Fernald | 2005-10-18 |