Assignee
MICREL INC
US·347 granted patents·38 pending applications·7,092 citations·filing 1988–2016
Top patents by PatentIndex Score
385 records- 0198US7315052B2Power FET with embedded body pickupMICREL INC·Filed 2006·Granted Jan 1, 2008·159 cites·10 claims
- 0298US7064407B1JFET controlled schottky barrier diodeMICREL INC·Filed 2005·Granted Jun 20, 2006·94 cites·15 claims
- 0397US7304464B2Switching voltage regulator with low current trickle modeMICREL INC·Filed 2006·Granted Dec 4, 2007·86 cites·26 claims
- 0497US7230408B1Pulse frequency modulated voltage regulator with linear regulator controlMICREL INC·Filed 2005·Granted Jun 12, 2007·64 cites·20 claims
- 0597US5568044AVoltage regulator that operates in either PWM or PFM modeMICREL INC·Filed 1994·Granted Oct 22, 1996·360 cites·6 claims
- 0696US8593125B1Buck DC-DC converter with dual feedback controlMICREL INC·Filed 2012·Granted Nov 26, 2013·37 cites·14 claims
- 0796US7482791B2Constant on-time regulator with internal ripple generation and improved output voltage accuracyMICREL INC·Filed 2007·Granted Jan 27, 2009·85 cites·23 claims
- 0896US7307614B2Light emitting diode driver circuitMICREL INC·Filed 2004·Granted Dec 11, 2007·150 cites·4 claims
- 0996US7148670B2Dual mode buck regulator with improved transition between LDO and PWM operationMICREL INC·Filed 2005·Granted Dec 12, 2006·89 cites·23 claims
- 1096US7064531B1PWM buck regulator with LDO standby modeMICREL INC·Filed 2005·Granted Jun 20, 2006·144 cites·17 claims
- 1196US6825531B1Lateral DMOS transistor with a self-aligned drain regionMICREL INC·Filed 2003·Granted Nov 30, 2004·120 cites·36 claims
- 1295US7550934B1LED driver with fast open circuit protection, short circuit compensation, and rapid brightness control responseMICREL INC·Filed 2008·Granted Jun 23, 2009·161 cites·24 claims
- 1395US7157892B1Robust ramp controlled enable for voltage regulatorMICREL INC·Filed 2005·Granted Jan 2, 2007·33 cites·11 claims
- 1495US6307409B1Gate driver circuit for high and low side switches with primary and secondary shoot-through protectionMICREL INC·Filed 2000·Granted Oct 23, 2001·78 cites·46 claims
- 1595US6304108B1Reference-corrected ratiometric MOS current sensing circuitMICREL INC·Filed 2000·Granted Oct 16, 2001·72 cites·34 claims
- 1694US9467051B2Switching regulator using adaptive slope compensation with DC correctionMICREL INC·Filed 2014·Granted Oct 11, 2016·25 cites·18 claims
- 1794US7659783B2System and method for phase-locked loop (PLL) for high-speed memory interface (HSMI)MICREL INC·Filed 2007·Granted Feb 9, 2010·47 cites·38 claims
- 1894US7439945B1Light emitting diode driver circuit with high-speed pulse width modulated current controlMICREL INC·Filed 2007·Granted Oct 21, 2008·72 cites·11 claims
- 1994US7259521B1Video driver architecture for AMOLED displaysMICREL INC·Filed 2006·Granted Aug 21, 2007·17 cites·8 claims
- 2094US7145316B1Control circuit for monitoring and maintaining a bootstrap voltage in an N-channel buck regulatorMICREL INC·Filed 2005·Granted Dec 5, 2006·69 cites·14 claims
- 2194US6853174B1Selective high-side and low-side current sensing in switching power suppliesMICREL INC·Filed 2003·Granted Feb 8, 2005·106 cites·36 claims
- 2294US4914546AStacked multi-polysilicon layer capacitorMICREL INC·Filed 1989·Granted Apr 3, 1990·91 cites·19 claims
- 2393US8878387B1Multi-level stack voltage system for integrated circuitsMICREL INC·Filed 2013·Granted Nov 4, 2014·29 cites·13 claims
- 2493US7482793B2Ripple generation in buck regulator using fixed on-time control to enable the use of output capacitor having any ESRMICREL INC·Filed 2006·Granted Jan 27, 2009·57 cites·17 claims
- 2593US7415647B2Test mode for pin-limited devicesMICREL INC·Filed 2006·Granted Aug 19, 2008·26 cites·12 claims
- 2693US6377788B1Tunable filter in radio receiverMICREL INC·Filed 2000·Granted Apr 23, 2002·47 cites·13 claims
- 2792US7433302B2Ethernet network implementing redundancy using a single category 5 cableMICREL INC·Filed 2005·Granted Oct 7, 2008·29 cites·20 claims
- 2892US7248026B2Single-pin tracking/soft-start function with timer controlMICREL INC·Filed 2005·Granted Jul 24, 2007·23 cites·9 claims
- 2992US6275395B1Accelerated turn-off of MOS transistors by bootstrappingMICREL INC·Filed 2000·Granted Aug 14, 2001·58 cites·19 claims
- 3092US5447876AMethod of making a diamond shaped gate mesh for cellular MOS transistor arrayMICREL INC·Filed 1994·Granted Sep 5, 1995·137 cites·10 claims
- 3191US9201438B2Buck DC-DC converter with accuracy enhancementMICREL INC·Filed 2012·Granted Dec 1, 2015·13 cites·19 claims
- 3291US8872556B1PLL frequency synthesizer with multi-curve VCO implementing closed loop curve searching using charge pump current modulationMICREL INC·Filed 2013·Granted Oct 28, 2014·10 cites·19 claims
- 3391US7679420B1Slew rate controlled level shifter with reduced quiescent currentMICREL INC·Filed 2008·Granted Mar 16, 2010·23 cites·13 claims
- 3491US7504748B2Relay switch including an energy detection circuitMICREL INC·Filed 2005·Granted Mar 17, 2009·23 cites·13 claims
- 3591US6593621B2LDMOS field effect transistor with improved ruggedness in narrow curved areasMICREL INC·Filed 2001·Granted Jul 15, 2003·92 cites·18 claims
- 3690US7880404B2Controlling current through serial LEDs using a low voltage transistor when using a high voltage driverMICREL INC·Filed 2008·Granted Feb 1, 2011·33 cites·25 claims
- 3790US7608907B2LDMOS gate controlled schottky diodeMICREL INC·Filed 2005·Granted Oct 27, 2009·19 cites·2 claims
- 3890US7348621B2Non-volatile memory cellsMICREL INC·Filed 2006·Granted Mar 25, 2008·18 cites·9 claims
- 3990US7218086B1Switching regulator with programmable output levels using a single input pinMICREL INC·Filed 2006·Granted May 15, 2007·37 cites·12 claims
- 4090US5355008ADiamond shaped gate mesh for cellular MOS transistor arrayMICREL INC·Filed 1993·Granted Oct 11, 1994·115 cites·19 claims
- 4189US7919928B2Boost LED driver not using output capacitor and blocking diodeMICREL INC·Filed 2008·Granted Apr 5, 2011·28 cites·20 claims
- 4289US7724068B1Bandgap-referenced thermal sensorMICREL INC·Filed 2008·Granted May 25, 2010·31 cites·6 claims
- 4389US7501693B2LDO regulator with ground connection through package bottomMICREL INC·Filed 2006·Granted Mar 10, 2009·18 cites·8 claims
- 4489US7449754B2Single poly BiCMOS flash cell with floating bodyMICREL INC·Filed 2006·Granted Nov 11, 2008·19 cites·13 claims
- 4589US7378827B2Analog internal soft-start and clamp circuit for switching regulatorMICREL INC·Filed 2005·Granted May 27, 2008·33 cites·17 claims
- 4689US7177325B2Operations, administration and maintenance (OAM) systems and methods for packet switched data networksMICREL INC·Filed 2002·Granted Feb 13, 2007·90 cites·6 claims
- 4789US7170264B1Frequency compensation scheme for a switching regulator using external zeroMICREL INC·Filed 2006·Granted Jan 30, 2007·33 cites·20 claims
- 4889US7102394B1Programming and control of an integrated circuit using an externally connected resistor networkMICREL INC·Filed 2005·Granted Sep 5, 2006·22 cites·23 claims
- 4989US5517046AHigh voltage lateral DMOS device with enhanced drift regionMICREL INC·Filed 1995·Granted May 14, 1996·126 cites·20 claims
- 5088US8004039B2Field effect transistor with trench-isolated drainMICREL INC·Filed 2009·Granted Aug 23, 2011·20 cites·10 claims
Showing the top 50 of 385 patent records by PatentIndex Score.
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