Assignee
EXAR CORP
US·171 granted patents·14 pending applications·3,310 citations·filing 1985–2018
Top patents by PatentIndex Score
185 records- 0195US7574321B2Model predictive thermal managementEXAR CORP·Filed 2006·Granted Aug 11, 2009·58 cites·23 claims
- 0295US5325045ALow voltage CMOS bandgap with new trimming and curvature correction methodsEXAR CORP·Filed 1993·Granted Jun 28, 1994·117 cites·21 claims
- 0394US7646224B2Means to detect a missing pulse and reduce the associated PLL phase bumpEXAR CORP·Filed 2007·Granted Jan 12, 2010·31 cites·12 claims
- 0492US7652604B2Programmable analog-to-digital converter for low-power DC-DC SMPSEXAR CORP·Filed 2007·Granted Jan 26, 2010·28 cites·20 claims
- 0592US7525471B2Wide-input windowed nonlinear analog-to-digital converter for high-frequency digitally controlled SMPSEXAR CORP·Filed 2008·Granted Apr 28, 2009·30 cites·10 claims
- 0692US7405689B2Predictive analog to digital converters and methods of usingEXAR CORP·Filed 2005·Granted Jul 29, 2008·27 cites·57 claims
- 0792US6340944B1Programmable power consumption pipeline analog-to-digital converter with variable resolutionEXAR CORP·Filed 2000·Granted Jan 22, 2002·74 cites·11 claims
- 0891US9829356B1Method and apparatus for multi-channel sensor interface with programmable gain, offset and biasEXAR CORP·Filed 2016·Granted Nov 28, 2017·6 cites·14 claims
- 0991US7667625B2Universal and fault-tolerant multiphase digital PWM controller for high-frequency DC-DC convertersEXAR CORP·Filed 2007·Granted Feb 23, 2010·18 cites·20 claims
- 1091US6744292B2Loop filter capacitor multiplication in a charge pump circuitEXAR CORP·Filed 2002·Granted Jun 1, 2004·60 cites·8 claims
- 1191US6157270AProgrammable highly temperature and supply independent oscillatorEXAR CORP·Filed 1998·Granted Dec 5, 2000·114 cites·15 claims
- 1291US5389829AOutput limiter for class-D BICMOS hearing aid output amplifierEXAR CORP·Filed 1992·Granted Feb 14, 1995·66 cites·10 claims
- 1390US6624671B2Wide-band replica output current sensing circuitEXAR CORP·Filed 2001·Granted Sep 23, 2003·43 cites·13 claims
- 1489US7459951B2Self-calibrating digital pulse-width modulator (DPWM)EXAR CORP·Filed 2006·Granted Dec 2, 2008·17 cites·16 claims
- 1588US7242235B1Dual data rate flip-flopEXAR CORP·Filed 2005·Granted Jul 10, 2007·19 cites·4 claims
- 1688US6121805AUniversal duty cycle adjustment circuitEXAR CORP·Filed 1998·Granted Sep 19, 2000·84 cites·19 claims
- 1788US5933056ASingle pole current mode common-mode feedback circuitEXAR CORP·Filed 1997·Granted Aug 3, 1999·68 cites·11 claims
- 1887US6323703B1Indirect output current sensingEXAR CORP·Filed 2000·Granted Nov 27, 2001·33 cites·16 claims
- 1986US6774942B1Black level offset calibration system for CCD image digitizerEXAR CORP·Filed 2000·Granted Aug 10, 2004·58 cites·10 claims
- 2086US5604452AClock generator using a state machine to switch between two offset clocksEXAR CORP·Filed 1995·Granted Feb 18, 1997·60 cites·7 claims
- 2185US6424510B1ESD structure for IC with over-voltage capability at pad in steady-stateEXAR CORP·Filed 2000·Granted Jul 23, 2002·38 cites·14 claims
- 2285US6300820B1Voltage regulated charge pumpEXAR CORP·Filed 2000·Granted Oct 9, 2001·50 cites·22 claims
- 2385US5452711ASmall form factor atomizerEXAR CORP·Filed 1993·Granted Sep 26, 1995·112 cites·6 claims
- 2485US5016080AProgrammable die size continuous arrayEXAR CORP·Filed 1988·Granted May 14, 1991·68 cites·18 claims
- 2584US7683696B1Open-drain output buffer for single-voltage-supply CMOSEXAR CORP·Filed 2007·Granted Mar 23, 2010·12 cites·12 claims
- 2684US7330056B1Low power CMOS LVDS driverEXAR CORP·Filed 2005·Granted Feb 12, 2008·14 cites·6 claims
- 2784US5440254AAccurate low voltage detect circuitEXAR CORP·Filed 1992·Granted Aug 8, 1995·58 cites·11 claims
- 2883US7688154B1Amplitude regulated crystal oscillatorEXAR CORP·Filed 2006·Granted Mar 30, 2010·13 cites·12 claims
- 2983US7543163B2Low power method of monitoring and of responsively initiating higher powered intelligent response to detected change of conditionEXAR CORP·Filed 2006·Granted Jun 2, 2009·13 cites·30 claims
- 3083US5870002APhase-frequency lock detectorEXAR CORP·Filed 1997·Granted Feb 9, 1999·60 cites·19 claims
- 3182US5506532AOutput limiter for class-D BICMOS hearing aid output amplifierEXAR CORP·Filed 1995·Granted Apr 9, 1996·50 cites·6 claims
- 3282US5446412AContinuously linear pulse amplifier/line driver with large output swingEXAR CORP·Filed 1994·Granted Aug 29, 1995·47 cites·11 claims
- 3382US5357379ARead/write circuit with switchable head resistance for read and write modesEXAR CORP·Filed 1993·Granted Oct 18, 1994·37 cites·11 claims
- 3481US6452248B1Low-powered, self-timed, one-time in-circuit programmable MOS fuse element and circuitEXAR CORP·Filed 2000·Granted Sep 17, 2002·33 cites·6 claims
- 3581US5592167AAnalog-digital converter using current controlled voltage referenceEXAR CORP·Filed 1994·Granted Jan 7, 1997·47 cites·21 claims
- 3680US5852360AProgrammable low drift reference voltage generatorEXAR CORP·Filed 1997·Granted Dec 22, 1998·36 cites·17 claims
- 3780US5844431ALow noise low power CMOS correlated double samplerEXAR CORP·Filed 1996·Granted Dec 1, 1998·69 cites·9 claims
- 3879US7078958B2CMOS bandgap reference with low voltage operationEXAR CORP·Filed 2003·Granted Jul 18, 2006·29 cites·15 claims
- 3979US6351165B1Digital jitter attenuator using an accumulated count of phase differencesEXAR CORP·Filed 2000·Granted Feb 26, 2002·30 cites·9 claims
- 4079US6031389ASlew rate limited output driverEXAR CORP·Filed 1997·Granted Feb 29, 2000·35 cites·11 claims
- 4179US5512816ALow-voltage cascaded current mirror circuit with improved power supply rejection and method thereforEXAR CORP·Filed 1995·Granted Apr 30, 1996·38 cites·10 claims
- 4278US6952240B2Image sampling circuit with a blank reference combined with the video inputEXAR CORP·Filed 2001·Granted Oct 4, 2005·25 cites·13 claims
- 4378US6462695B1Dynamic biasing techniques for low power pipeline analog to digital convertersEXAR CORP·Filed 2001·Granted Oct 8, 2002·23 cites·13 claims
- 4478US6313672B1Over-voltage tolerant integrated circuit I/O bufferEXAR CORP·Filed 1999·Granted Nov 6, 2001·35 cites·8 claims
- 4578US5247581AClass-d bicmos hearing aid output amplifierEXAR CORP·Filed 1991·Granted Sep 21, 1993·67 cites·17 claims
- 4676US7710174B2Digital pulse-width modulator based on non-symmetric self-oscillating circuitEXAR CORP·Filed 2008·Granted May 4, 2010·13 cites·15 claims
- 4776US7441039B2Method and apparatus for adapting mac and network processor core to packet format changes and for mapping RPR architecture over spatial reuse architectureEXAR CORP·Filed 2003·Granted Oct 21, 2008·26 cites·6 claims
- 4875US7609185B2Methods of using predictive analog to digital convertersEXAR CORP·Filed 2008·Granted Oct 27, 2009·8 cites·15 claims
- 4974US5248624AMethod of making isolated vertical pnp transistor in a complementary bicmos process with eeprom memoryEXAR CORP·Filed 1991·Granted Sep 28, 1993·50 cites·25 claims
- 5073US7821431B2Universal and fault-tolerant multiphase digital PWM controller for high-frequency DC-DC convertersEXAR CORP·Filed 2010·Granted Oct 26, 2010·3 cites·17 claims
Showing the top 50 of 185 patent records by PatentIndex Score.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →