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Class Information
Number: 323/285
Name: Electricity: power supply or regulation systems > Output level responsive > Using a three or more terminal semiconductive device as the final control device > Switched (e.g., switching regulators) > With plural condition sensing
Description: Subject matter including means for sensing a condition of the system or its load, such means being in addition to the means responsive to deviation in the output of the system.

Sub-classes under this class:

Class Number Class Name Patents
323/286 Including filter sensing 182

Patents under this class:

Patent Number Title Of Patent Date Issued
8148963 Self-oscillating converter Apr. 3, 2012
8143875 Method and apparatus to limit output power in a switching power supply Mar. 27, 2012
8143873 Step-up switching power supply circuit Mar. 27, 2012
8143865 Average current mode controlled converter having a buck mode, a boost mode, and a partial four-switch mode Mar. 27, 2012
8138738 Method for regulating supply voltage Mar. 20, 2012
8138737 Duty cycle controller for power factor correction circuit Mar. 20, 2012
8138736 Power system having a local sense control dominant over a remote sense control to avoid effects of interconnection failure modes Mar. 20, 2012
8129973 Controlling a voltage regulator Mar. 6, 2012
8129972 Single integrator sensorless current mode control for a switching power converter Mar. 6, 2012
8129971 Multi-cell voltage regulator Mar. 6, 2012
8129966 Voltage regulator circuit and control method therefor Mar. 6, 2012
8125747 Method for mitigating negative sequence effect resulting from non-symmetrical short circuit failure of synchronous electric machine based systems Feb. 28, 2012
8120347 Sample and hold circuit and method for maintaining unity power factor Feb. 21, 2012
8120346 Methods and apparatus for current sensing Feb. 21, 2012
8120339 Switching power supply with switching circuits Feb. 21, 2012
8115468 Controller and driver communication for switching regulators Feb. 14, 2012
8115467 DC-DC converter Feb. 14, 2012
8115466 Converter and driving method thereof Feb. 14, 2012
8111529 Over current protection circuit and power converter using the same Feb. 7, 2012
8111050 Power factor control systems and methods Feb. 7, 2012
8106643 Power supply apparatus Jan. 31, 2012
8106642 Current mode buck converter with fixed PWM/PFM boundary Jan. 31, 2012
8102165 Means of eliminating electrolytic capacitor as the energy storage component in the single phase AD/DC two-stage converter Jan. 24, 2012
8102162 Buck controller having integrated boost control and driver Jan. 24, 2012
8098501 Switching power supply control circuit Jan. 17, 2012
8093879 Semiconductor circuit Jan. 10, 2012
8093878 Switching power supply device Jan. 10, 2012
8089258 Power supply apparatus Jan. 3, 2012
8089257 Signal comparison circuit and power conversion device Jan. 3, 2012
8085563 Protection and clamp circuit for power factor correction controller Dec. 27, 2011
8085026 Current sense cascode amplifier Dec. 27, 2011
8085025 Short circuit current ratcheting in switch mode DC/DC voltage regulators Dec. 27, 2011
8085021 PFC converter having two-level output voltage without voltage undershooting Dec. 27, 2011
8080986 Driving control device and method for power converting system Dec. 20, 2011
8076919 Switch-mode power supply Dec. 13, 2011
8076918 Multi-phase driving circuit with phase adjusting function Dec. 13, 2011
8076915 Switching converter Dec. 13, 2011
8076913 Voltage converters and voltage generating methods for generating output voltage signals according to a pulse width modulation signal Dec. 13, 2011
8072204 Control system optimization via digital diode emulation Dec. 6, 2011
8072200 AC and DC temperature compensation scheme for DCR current sense Dec. 6, 2011
8067929 High-side sensing of zero inductor current for step down DC-DC converter Nov. 29, 2011
8067928 DC-DC converter with gate voltage control based on output current Nov. 29, 2011
8064230 System and method for power conversion Nov. 22, 2011
8058860 Single pin multi-VID bit interface circuit for dynamic voltage change of a DC/DC converter Nov. 15, 2011
8058855 Direct current converter Nov. 15, 2011
RE42897 Current mode DC/DC converter with controlled output impedance Nov. 8, 2011
8055914 Voltage regulation for a computer system providing voltage positioning for multi-component load Nov. 8, 2011
8055398 Method of reducing current consumption of electric hydraulic power steering system for vehicle Nov. 8, 2011
8054058 DC-DC converter with improved dynamic response Nov. 8, 2011
8049523 Current sensing on a MOSFET Nov. 1, 2011

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