Inventor
LEUNG KAFAI
US21 patents
⚠️ This page may combine multiple inventors who share the name “LEUNG KAFAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SILICON LAB INC
15 patentsUS7640455B2Dec 29, 2009
Digital PWM controller with programmable safe state in presence of fault
SILICON LAB INC13 citations92
US7502240B2Mar 10, 2009
Distributed power supply system with separate SYNC control for controlling remote digital DC/DC converters
SILICON LAB INC25 citations92
US7498787B2Mar 3, 2009
Digital PWM controller for digital power supply having programmable dead times
SILICON LAB INC11 citations92
US7446430B2Nov 4, 2008
Plural load distributed power supply system with shared master for controlling remote digital DC/DC converters
SILICON LAB INC24 citations92
US7426123B2Sep 16, 2008
Finite state machine digital pulse width modulator for a digitally controlled power supply
SILICON LAB INC24 citations92
US7245512B2Jul 17, 2007
PID based controller for DC—DC converter with post-processing filters
SILICON LAB INC21 citations92
US7855905B2Dec 21, 2010
Digital power supply controller with integrated microcontroller
SILICON LAB INC10 citations91
US7428159B2Sep 23, 2008
Digital PWM controller
SILICON LAB INC35 citations91
US7113011B2Sep 26, 2006
Low power PLL for PWM switching digital control power supply
SILICON LAB INC13 citations84
US8358285B2Jan 22, 2013
Method and apparatus for scanning a touchscreen with multi-touch detection using master/slave devices
SILICON LAB INC9 citations82
US7536570B2May 19, 2009
Microcontroller unit (MCU) with suspend mode
SILICON LAB INC12 citations82
US7426645B2Sep 16, 2008
Digital power supply controller with integrated microcontroller
SILICON LAB INC6 citations72
US7212061B2May 1, 2007
DPWM with leading edge blanker circuit
SILICON LAB INC4 citations63
US7536533B2May 19, 2009
MCU based motor controller with pre-load register and DMA controller
SILICON LAB INC2 citations55
US7701685B2Apr 20, 2010
Digital pulse width modulator with built-in protection functions for over current, over voltage and temperature
SILICON LAB INC1 citations52
SILICON LABS CP INC
3 patentsUS7188199B2Mar 6, 2007
DMA controller that restricts ADC from memory without interrupting generation of digital words when CPU accesses memory
SILICON LABS CP INC85 citations98
US6891487B2May 10, 2005
Capacitor calibration in SAR converter
SILICON LABS CP INC34 citations92
US6882298B2Apr 19, 2005
SAR analog-to-digital converter with two single ended inputs
SILICON LABS CP INC27 citations92
CRYSTAL SEMICONDUCTOR CORP
3 patentsUS5777912AJul 7, 1998
Linear phase finite impulse response filter with pre-addition
CRYSTAL SEMICONDUCTOR CORP85 citations96
US6356872B1Mar 12, 2002
Method and apparatus for storing digital audio and playback thereof
CRYSTAL SEMICONDUCTOR CORP19 citations84
US5652585AJul 29, 1997
Multiple function analog-to-digital converter with multiple serial outputs
CRYSTAL SEMICONDUCTOR CORP13 citations73