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Micrel Inc patents

Recent patent applications related to Micrel Inc. Micrel Inc is listed as an Agent/Assignee. Note: Micrel Inc may have other listings under different names/spellings. We're not affiliated with Micrel Inc, we're just tracking patents.

ARCHIVE: New 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "M" | Micrel Inc-related inventors




Date Micrel Inc patents (updated weekly) - BOOKMARK this page
04/24/14Esd protection for mems resonator devices
06/03/10Bandgap-referenced thermal sensor
03/18/10Line driver with tuned on-chip termination
03/11/10Dual input ldo regulator with controlled transition between power supplies
03/04/10Slew rate controlled level shifter with reduced quiescent current
12/10/09Method of operating radio receiver implemented in a single cmos integrated circuit
10/01/09Threshold evaluation of eprom cells
08/20/09Line driver with tuned on-chip termination
08/06/09Led driver circuits and methods
08/06/09Pulse width modulation circuits and methods
07/30/09Dual-channel load switch circuits, devices including a dual-channel load switch circuit and methods of switching load channels
07/02/09Data slicer reference generator for multiple burst data signals
05/07/09Fast settling radio receiver automatic gain control system
04/02/09Light emitting diode driver circuit with shunt switch
09/08/16Dmos transistor with trench schottky diode
04/28/16Compound spring mems resonators for frequency and timing generation
04/28/16Multiple coil spring mems resonator
02/04/16Current sensing using a metal-on-passivation layer on an integrated circuit die
10/01/15Buck dc-dc converter with fixed frequency
09/17/15Hysteretic buck dc-dc converter
08/06/15Pll frequency synthesizer with multi-curve vco implementing closed loop curve searching
07/16/15Last gasp hold-up circuit using adaptive constant on time control
07/16/15Switching regulator using adaptive slope compensation with dc correction
06/11/15Planar vertical dmos transistor with a conductive spacer structure as gate
06/11/15Planar vertical dmos transistor with reduced gate charge
06/11/15Adaptive pause time energy efficient ethernet phy
04/02/15Timer based pfm exit control a boost regulator
03/19/15Pll frequency synthesizer with multi-curve vco implementing closed loop curve searching using charge pump current modulation
12/25/14Current sharing cot buck converter
11/06/14High bandwidth psrr power supply regulator
09/25/14Signal level detect circuit with reduced loss-of-signal assertion delay
06/05/14High compliance laser driver circuit
05/15/14Buck dc-dc converter with accuracy enhancement
03/13/14Constant voltage supply constructed using a constant current boost controller
12/19/13Current sensing using a metal-on-passivation layer on an integrated circuit die
12/19/13Metal-on-passivation resistor for current sensing in a chip-scale package
12/19/13Bi-directional comparator
11/28/13Ldmos transistor with asymmetric spacer as gate
10/24/13Noise discriminator for enhanced noise detection in a passive optical network burst mode receiver
10/24/13Noise discriminator for passive optical network burst mode receiver
09/26/13Configurable multi-mode pwm controller
09/19/13Last gasp hold-up circuit using adaptive constant on time control
09/19/13Extended drain lateral dmos transistor with reduced gate charge and self-aligned extended drain
09/12/13Battery charger voltage control instant boot-up
09/12/13Single field zero mask for increased alignment accuracy in field stitching
09/05/13Ethernet communication device with reduced emi
07/11/13High bandwidth psrr power supply regulator
05/23/13Step-down hysteretic current led driver implementing frequency regulation
04/04/13Extended drain lateral dmos transistor with reduced gate charge and self-aligned extended drain
03/14/13Switching regulator with optimized switch node rise time
03/07/13Multi-phase power block for a switching regulator for use with a single-phase pwm controller
11/15/12Adaptive pause time energy efficient ethernet phy
09/06/12Polarity independent laser monitor diode current sensing circuit for optical modules
08/09/12Single field zero mask for increased alignment accuracy in field stitching
02/09/12Buck-boost converter using timers for mode transition control
09/22/11High bandwidth programmable transmission line equalizer
09/22/11High bandwidth programmable transmission line pre-emphasis method and circuit
09/22/11High bandwidth dual programmable transmission line pre-emphasis method and circuit
09/22/11High bandwidth programmable transmission line pre-emphasis method and circuit
06/23/11Method and system for controlled isotropic etching on a plurality of etch systems
04/14/11Universal pinout for both receiver and transceiver with loopback
02/24/11Buck-boost converter with smooth transitions between modes
02/03/11Field effect transistor with trench-isolated drain
02/03/11Lateral dmos field effect transistor with reduced threshold voltage and self-aligned drift region
12/23/10Buck-boost converter with sample and hold circuit in current loop
Patent Packs
11/25/10Ethernet physical layer repeater
10/07/10Edge detect receiver circuit
09/16/10Diode having high breakdown voltage and low on-resistance
08/12/10Dynamic queue memory allocation with flow control
07/15/10Chip-scale package conversion technique for dies
03/18/10System for vertical dmos with slots
03/04/10Tester for rf devices
02/11/10Mos transistor including extended nldd source-drain regions for improved ruggedness
01/28/10True ring networks with gateway connections using mac source address filtering
01/28/10True ring networks using tag vlan filtering
01/14/10Current sensing in a buck-boost switching regulator using integrally embedded pmos devices
01/14/10System and determining in-line interfacial oxide contact resistance
01/14/10Ethernet controller implementing a performance and responsiveness driven interrupt scheme
01/14/10Ethernet controller using same host bus timing for all data object access
12/10/09Method and system for vertical dmos with slots
Patent Packs
11/19/09Nmos transistor including extended nldd-drain for improved ruggedness
11/19/09Adaptive compensation scheme for lc circuits in feedback loops
11/19/09Implementing power-on-reset in power switches
11/05/09Boost led driver not using output capacitor and blocking diode
10/08/09Driving multiple parallel leds with reduced power supply ripple
10/01/09Ethernet physical layer transceiver with auto-ranging function
09/17/09Stacked led controllers
08/20/09No-trim low-dropout (ldo) and switch-mode voltage regulator circuit and technique
08/20/09Method of accurate prediction of electrostatic discharge (esd) performance in multi-voltage environment
07/30/09Controlling current through serial leds using a low voltage transistor when using a high voltage driver
07/30/09Laser turn-on accelerator independent of bias control loop bandwidth
07/23/09Power management system for light emitting diodes
07/09/09System and improved pressure control in horizontal diffusion furnace scavenger system for controlling silicon oxide growth
06/25/09Integrated device technology using a buried power buss for major device and circuit advantages
06/11/09Overcurrent protection circuit when setting current using a package control pin
06/04/09Relay switch including an energy detection circuit
05/28/09Automatic clock and data alignment
05/21/09Compact frequency compensation circuit and a switching regulator using external zero
05/21/09Method and system to provide a polysilicon capacitor with improved oxide integrity
05/14/09System and matching silicon oxide thickness between similar process tools
04/09/09Method for forming zener zap diodes and ohmic contacts in the same integrated circuit
04/02/09Detection of presence or absence of ac maintain power signature in power-over-ethernet system
04/02/09Power distribution current limiting switch including a current limit blanking period providing a burst of current
03/05/09Low current detecting presence of ethernet signals
02/26/09Power budget management in power over ethernet systems
02/05/09N-channel mos transistor fabricated using a reduced cost cmos process
02/05/09Led controller ic using only one pin to dim and set a maximum led current
01/28/10True ring networks using tag vlan filtering
01/14/10Ethernet controller using same host bus timing for all data object access







ARCHIVE: New 2016 2015 2014 2013 2012 2011 2010 2009



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